Mouse Rab7 (official symbol Rab7a; UniProt P51150) is a Rab-family small GTPase (EC 3.6.5.2) and the direct ortholog of human RAB7A. It is the master regulator of the late endocytic pathway, cycling between an inactive GDP-bound (cytosolic) state and an active GTP-bound (membrane-associated) state. GTP-loading by the Mon1-Ccz1 GEF on maturing endosomes (the Rab5-to-Rab7 conversion) recruits effectors including RILP, the HOPS tethering complex, retromer, FYCO1, PLEKHM1 and ORP1L to drive early-to-late endosome maturation, late endosome-lysosome fusion, autophagosome-lysosome fusion, phagosome maturation, retrograde endosome-to-Golgi transport and lysosome positioning. It is inactivated by TBC-domain GAPs. Mouse studies have established physiological roles in lipophagy and beta-adrenergic lipolysis in adipocytes, synaptic AMPA-receptor trafficking during long-term depression in neurons, osteoclast ruffled-border function and bone resorption, and secretory-lysosome trafficking. In vivo work in mouse liver using LysoTag mice further confirms Rab7 as a mediator of late endosomal maturation, where its loss diverts cargo away from the degradative route and increases the cytosolic escape of lipid nanoparticles (PMID:41814093).
| GO Term | Evidence | Action | Reason |
|---|---|---|---|
|
GO:0005764
lysosome
|
IBA
GO_REF:0000033 |
ACCEPT |
Summary: Rab7 is a canonical lysosomal marker and effector platform. UniProt lists lysosome membrane localization with experimental support across orthologs.
Reason: Core localization where Rab7 exerts its regulatory function in fusion and cargo degradation; supported by phylogenetic conservation and experimental data in mouse.
|
|
GO:0005770
late endosome
|
IBA
GO_REF:0000033 |
ACCEPT |
Summary: Late endosome is the canonical site of active Rab7, where it is GTP-loaded by Mon1-Ccz1 during the Rab5-to-Rab7 conversion.
Reason: Defining core localization for Rab7, confirmed by many mouse IDA studies in this review.
|
|
GO:0008333
endosome to lysosome transport
|
IBA
GO_REF:0000033 |
ACCEPT |
Summary: The core biological process for Rab7: it controls maturation of late endosomes and their fusion with lysosomes for cargo degradation. In vivo mouse liver data confirm Rab7 as a mediator of late endosomal maturation.
Reason: Core biological function, strongly supported across orthologs and directly in mouse.
Supporting Evidence:
PMID:41814093
Loss of Rab7, a mediator of late endosomal maturation, increased LNP escape.
file:mouse/Rab7/Rab7-deep-research-manual.md
Manual synthesis of mouse Rab7/Rab7a literature supports the conserved late-endosome maturation and endosome-to-lysosome routing function.
|
|
GO:0045335
phagocytic vesicle
|
IBA
GO_REF:0000033 |
ACCEPT |
Summary: Rab7 is recruited to phagosomes and regulates phagosome maturation.
Reason: Core function in phagosome maturation; conserved across the Rab7 ortholog group.
|
|
GO:0090385
phagosome-lysosome fusion
|
IBA
GO_REF:0000033 |
ACCEPT |
Summary: Rab7 is required for phagosome-lysosome fusion and phagolysosome maturation.
Reason: Core function in innate immunity / pathogen degradation, conserved across orthologs.
|
|
GO:0000421
autophagosome membrane
|
IEA
GO_REF:0000044 |
ACCEPT |
Summary: Rab7 localizes to autophagosome membranes and is required for autophagosome-lysosome fusion.
Reason: Core localization for the autophagy role of Rab7; consistent with phagophore assembly site annotation in this review.
|
|
GO:0003924
GTPase activity
|
IEA
GO_REF:0000002 |
ACCEPT |
Summary: Rab7 has intrinsic GTPase activity (EC 3.6.5.2) hydrolyzing GTP to GDP, accelerated by TBC-domain GAPs.
Reason: Core molecular function, fundamental to the molecular-switch behavior; directly demonstrated for mouse Rab7 (PMID:16855591).
|
|
GO:0003925
G protein activity
|
IEA
GO_REF:0000003 |
ACCEPT |
Summary: Rab7 functions as a G protein, cycling between active GTP-bound and inactive GDP-bound states to regulate membrane trafficking.
Reason: Accurate core molecular function for a Rab-family small GTPase.
|
|
GO:0005525
GTP binding
|
IEA
GO_REF:0000002 |
ACCEPT |
Summary: GTP binding activates Rab7 and enables membrane association and effector recruitment.
Reason: Core molecular function of the GTPase cycle.
|
|
GO:0005765
lysosomal membrane
|
IEA
GO_REF:0000044 |
ACCEPT |
Summary: Rab7 localizes to lysosomal membranes as a peripheral membrane protein on the cytoplasmic face.
Reason: Core localization, confirmed experimentally in mouse (e.g. PMID:28063257).
|
|
GO:0005770
late endosome
|
IEA
GO_REF:0000117 |
ACCEPT |
Summary: Late endosome localization predicted by ARBA, consistent with abundant experimental evidence.
Reason: Canonical core localization.
|
|
GO:0005811
lipid droplet
|
IEA
GO_REF:0000044 |
ACCEPT |
Summary: Rab7 localizes to lipid droplets during lipophagy, directly demonstrated in mouse adipocytes.
Reason: Valid localization related to lipophagy; experimentally supported in mouse (PMID:23708524).
|
|
GO:0010008
endosome membrane
|
IEA
GO_REF:0000044 |
ACCEPT |
Summary: Rab7 localizes to endosome membranes, primarily late endosome membranes.
Reason: Accurate localization; the more specific late endosome membrane term is also annotated.
|
|
GO:0030670
phagocytic vesicle membrane
|
IEA
GO_REF:0000044 |
ACCEPT |
Summary: Rab7 localizes to phagosomal membranes during phagosome maturation.
Reason: Core localization for the phagosome maturation function.
|
|
GO:0031410
cytoplasmic vesicle
|
IEA
GO_REF:0000044 |
ACCEPT |
Summary: Rab7 localizes to multiple types of cytoplasmic vesicles.
Reason: Accurate but general; more specific vesicle annotations are present.
|
|
GO:0031902
late endosome membrane
|
IEA
GO_REF:0000044 |
ACCEPT |
Summary: Late endosome membrane is the canonical site for active Rab7.
Reason: Core localization where Rab7 recruits effectors for maturation and transport.
|
|
GO:0031966
mitochondrial membrane
|
IEA
GO_REF:0000044 |
KEEP AS NON CORE |
Summary: Rab7 can be recruited to mitochondrial membranes during mitophagy and at ER-mitochondria/endosome contact sites.
Reason: Context-dependent localization during mitophagy rather than constitutive mitochondrial residence.
|
|
GO:0033162
melanosome membrane
|
IEA
GO_REF:0000044 |
KEEP AS NON CORE |
Summary: Rab7 localizes to melanosome membranes; melanosomes are lysosome-related organelles.
Reason: Cell-type-specific localization relevant to melanocyte biology and lysosome-related organelle biogenesis.
|
|
GO:0098588
bounding membrane of organelle
|
IEA
GO_REF:0000117 |
ACCEPT |
Summary: Rab7 localizes to the bounding membranes of various organelles as a peripheral membrane protein.
Reason: Accurate general localization consistent with Rab7 membrane-association pattern.
|
|
GO:0005765
lysosomal membrane
|
ISO
GO_REF:0000096 |
ACCEPT |
Summary: Lysosomal membrane localization transferred from experimentally characterized orthologs.
Reason: Core localization, well supported.
|
|
GO:0005765
lysosomal membrane
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Lysosomal membrane localization transferred from human ortholog.
Reason: Core localization, consistent with mouse experimental data.
|
|
GO:0031902
late endosome membrane
|
ISO
GO_REF:0000096 |
ACCEPT |
Summary: Late endosome membrane localization transferred from orthologs.
Reason: Core localization.
|
|
GO:0031902
late endosome membrane
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Late endosome membrane localization transferred from human ortholog.
Reason: Core localization.
|
|
GO:0033162
melanosome membrane
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Melanosome membrane localization transferred from human ortholog.
Reason: Cell-type-specific localization in melanocytes (lysosome-related organelle).
|
|
GO:0003924
GTPase activity
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: GTPase activity transferred from human ortholog; also directly demonstrated for mouse Rab7.
Reason: Core molecular function.
|
|
GO:0003925
G protein activity
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: G protein (molecular switch) activity transferred from human ortholog.
Reason: Core molecular function for a Rab GTPase.
|
|
GO:0005525
GTP binding
|
ISO
GO_REF:0000096 |
ACCEPT |
Summary: GTP binding transferred from experimentally characterized orthologs.
Reason: Core molecular function.
|
|
GO:0005525
GTP binding
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: GTP binding transferred from human ortholog.
Reason: Core molecular function.
|
|
GO:0005739
mitochondrion
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Mitochondrial association during mitophagy / at contact sites, transferred from human ortholog.
Reason: Context-dependent localization, not constitutive.
|
|
GO:0005764
lysosome
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Lysosome colocalization transferred from human ortholog.
Reason: Core localization.
|
|
GO:0005764
lysosome
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Lysosome localization transferred from human ortholog.
Reason: Core localization.
|
|
GO:0005765
lysosomal membrane
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Active Rab7 functions on the lysosomal membrane (ortholog transfer).
Reason: Core site of action.
|
|
GO:0005770
late endosome
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Late endosome colocalization transferred from human ortholog.
Reason: Core localization.
|
|
GO:0005770
late endosome
|
ISO
GO_REF:0000096 |
ACCEPT |
Summary: Late endosome localization transferred from orthologs.
Reason: Canonical core localization.
|
|
GO:0005770
late endosome
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Late endosome localization transferred from human ortholog.
Reason: Canonical core localization.
|
|
GO:0006622
protein targeting to lysosome
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7 targets cargo proteins to the lysosome for degradation (ortholog transfer).
Reason: Core function in degradative trafficking.
|
|
GO:0007174
epidermal growth factor catabolic process
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7 mediates EGF/EGFR degradation through the endolysosomal pathway.
Reason: Specific instance of the general endosome-to-lysosome degradative function.
|
|
GO:0008333
endosome to lysosome transport
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Endosome-to-lysosome transport transferred from human ortholog.
Reason: Core biological function.
|
|
GO:0009617
response to bacterium
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7 participates in responses to intracellular bacteria via phagosome maturation.
Reason: Downstream physiological consequence of the core phagosome maturation function.
|
|
GO:0010008
endosome membrane
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Active Rab7 functions on the endosome membrane (ortholog transfer).
Reason: Core site of action.
|
|
GO:0010008
endosome membrane
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Endosome membrane localization transferred from human ortholog.
Reason: Core localization.
|
|
GO:0019003
GDP binding
|
ISO
GO_REF:0000096 |
ACCEPT |
Summary: Rab7 binds GDP in its inactive cytosolic state (ortholog transfer).
Reason: Core molecular function of the GTPase cycle.
|
|
GO:0019003
GDP binding
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: GDP binding transferred from human ortholog.
Reason: Core molecular function.
|
|
GO:0019076
viral release from host cell
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7 endolysosomal function is co-opted during certain viral life cycles (e.g. HIV-1).
Reason: Host-pathogen exploitation of Rab7 function rather than a primary biological role.
|
|
GO:0022615
protein to membrane docking
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7 mediates docking of the retromer coat complex to endosomal membranes.
Reason: Core function in retromer recruitment and cargo sorting.
|
|
GO:0030672
synaptic vesicle membrane
|
ISO
GO_REF:0000096 |
KEEP AS NON CORE |
Summary: Rab7 activity at synaptic vesicle membranes / presynaptic endosomes (ortholog transfer).
Reason: Neuron-specific localization relevant to synaptic recycling and neuropathy.
|
|
GO:0030904
retromer complex
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7 colocalizes with the retromer complex on endosomes (ortholog transfer).
Reason: Core function; Rab7 recruits retromer for cargo sorting.
|
|
GO:0031267
small GTPase binding
|
ISO
GO_REF:0000096 |
KEEP AS NON CORE |
Summary: Rab7 can interact with other small GTPases in Rab cascade regulation.
Reason: Secondary function; Rab7 primarily recruits dedicated effectors.
|
|
GO:0032935
sterol sensor activity
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7 contributes to sterol sensing via the ORP1L complex (contributes_to qualifier).
Reason: ORP1L carries the sterol-sensing domain; Rab7 scaffolds the complex rather than directly sensing sterol.
|
|
GO:0032991
protein-containing complex
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7 forms complexes with multiple effectors (RILP, ORP1L, PLEKHM1, retromer, HOPS).
Reason: Accurate, though general; specific complex memberships are also captured.
|
|
GO:0036466
synaptic vesicle recycling via endosome
|
ISO
GO_REF:0000096 |
KEEP AS NON CORE |
Summary: Rab7 involvement in synaptic vesicle recycling via endosomes (ortholog transfer).
Reason: Neuron-specific process, not a ubiquitous Rab7 function.
|
|
GO:0042147
retrograde transport, endosome to Golgi
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7-dependent retromer recruitment drives endosome-to-Golgi retrograde transport (e.g. CI-M6PR).
Reason: Core function downstream of retromer recruitment.
|
|
GO:0042632
cholesterol homeostasis
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7-ORP1L coordinates cholesterol sensing and late endosome positioning.
Reason: Specialized function mediated by the ORP1L effector; not the primary degradative role.
|
|
GO:0045022
early endosome to late endosome transport
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7 controls the Rab5-to-Rab7 conversion that matures early endosomes into late endosomes. Confirmed in vivo in mouse liver as a mediator of late endosomal maturation.
Reason: Core function; loss of Rab7 perturbs endosomal maturation in vivo.
Supporting Evidence:
PMID:41814093
Loss of Rab7, a mediator of late endosomal maturation, increased LNP escape.
|
|
GO:0045335
phagocytic vesicle
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Phagocytic vesicle localization transferred from human ortholog.
Reason: Consistent with the phagosome maturation function.
|
|
GO:0045453
bone resorption
|
ISO
GO_REF:0000096 |
KEEP AS NON CORE |
Summary: Rab7 is required for osteoclast ruffled-border function and bone resorption, directly demonstrated in mouse osteoclasts.
Reason: Cell-type-specific physiological role; the ruffled border is a lysosome-related compartment dependent on Rab7-mediated trafficking.
|
|
GO:0045732
positive regulation of protein catabolic process
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7-mediated endolysosomal and autophagic flux promotes protein degradation.
Reason: Direct consequence of the core degradative trafficking function.
|
|
GO:0048524
positive regulation of viral process
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7 endolysosomal function can be exploited to promote viral processes.
Reason: Host-pathogen interaction rather than a primary biological role.
|
|
GO:0061462
protein localization to lysosome
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7 directs protein cargo to the lysosome.
Reason: Core function in lysosomal targeting.
|
|
GO:0090120
lysosome to ER cholesterol transport
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7-ORP1L complex regulates cholesterol transport from lysosomes to the ER.
Reason: Specialized lipid-homeostasis function mediated by the ORP1L effector.
|
|
GO:0090383
phagosome acidification
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7 regulates phagosomal acidification during maturation.
Reason: Part of the core phagosome maturation function.
|
|
GO:0090385
phagosome-lysosome fusion
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Phagosome-lysosome fusion transferred from human ortholog.
Reason: Core function in phagolysosome formation.
|
|
GO:0097208
alveolar lamellar body
|
ISO
GO_REF:0000096 |
KEEP AS NON CORE |
Summary: Rab7 localization to alveolar lamellar bodies (lysosome-related organelles of type II pneumocytes).
Reason: Cell-type-specific localization.
|
|
GO:0098830
presynaptic endosome
|
ISO
GO_REF:0000096 |
KEEP AS NON CORE |
Summary: Rab7 activity at presynaptic endosomes (ortholog transfer).
Reason: Neuron-specific localization relevant to synaptic function.
|
|
GO:0099638
endosome to plasma membrane protein transport
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7 can influence recycling of cargo to the plasma membrane.
Reason: Secondary function; the primary Rab7 role is degradative trafficking.
|
|
GO:1903542
negative regulation of exosomal secretion
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7 can negatively regulate exosome secretion by directing MVBs toward lysosomal degradation.
Reason: Context-dependent regulatory role affecting exosome biogenesis.
|
|
GO:1903543
positive regulation of exosomal secretion
|
ISO
GO_REF:0000119 |
KEEP AS NON CORE |
Summary: Rab7 can also positively regulate exosome secretion in the syndecan-syntenin-ALIX pathway.
Reason: Context-dependent; Rab7 has opposing effects on exosome release depending on pathway.
|
|
GO:1905394
retromer complex binding
|
ISO
GO_REF:0000119 |
ACCEPT |
Summary: Rab7 recruits/binds the retromer complex on endosomes for cargo sorting.
Reason: Core molecular function specifying the retromer interaction.
|
|
GO:0003924
GTPase activity
|
EXP
PMID:16855591 TBC-domain GAPs for Rab GTPases accelerate GTP hydrolysis by... |
ACCEPT |
Summary: Biochemical study of TBC-domain GAPs directly characterizing Rab7 GTP hydrolysis, including the intrinsic GTPase activity accelerated by GAPs.
Reason: Core molecular function with direct experimental support.
Supporting Evidence:
PMID:16855591
TBC-domain GAPs for Rab GTPases accelerate GTP hydrolysis by a dual-finger mechanism.
|
|
GO:0005765
lysosomal membrane
|
EXP
PMID:28063257 Genetic screen in Drosophila muscle identifies autophagy-med... |
ACCEPT |
Summary: Experimental localization of Rab7 to the lysosomal membrane in an autophagy screen; Rab7 is cited as the defining marker of late endosomes and lysosomes.
Reason: Core localization, experimentally supported.
Supporting Evidence:
PMID:28063257
late endosomes (Rab7, Rab9), lysosomes (Rab7) and others
|
|
GO:0010008
endosome membrane
|
ISS
GO_REF:0000024 |
ACCEPT |
Summary: Endosome membrane localization by sequence similarity to characterized orthologs.
Reason: Core localization.
|
|
GO:0031410
cytoplasmic vesicle
|
EXP
PMID:23179371 Charcot-Marie-Tooth type 2B disease-causing RAB7A mutant pro... |
ACCEPT |
Summary: Rab7 on cytoplasmic vesicles in a study of CMT2B mutant interaction with peripherin; the paper notes Rab7a localizes to late endosomes and controls transport to late endosomes/lysosomes and maturation of phagosomes and autophagosomes.
Reason: Accurate, though general; consistent with vesicular Rab7 localization.
Supporting Evidence:
PMID:23179371
RAB7A is localized to late endosomes and controls transport to late endosomes and lysosomes as well as maturation of phagosomes and autophagosomes
|
|
GO:0031902
late endosome membrane
|
ISS
GO_REF:0000024 |
ACCEPT |
Summary: Late endosome membrane localization by sequence similarity.
Reason: Core localization.
|
|
GO:0031966
mitochondrial membrane
|
ISS
GO_REF:0000024 |
KEEP AS NON CORE |
Summary: Mitochondrial membrane association by sequence similarity (mitophagy / contact-site context).
Reason: Context-dependent localization.
|
|
GO:0033162
melanosome membrane
|
ISS
GO_REF:0000024 |
KEEP AS NON CORE |
Summary: Melanosome membrane localization by sequence similarity.
Reason: Cell-type-specific (melanocyte) localization.
|
|
GO:0003925
G protein activity
|
IDA
PMID:16855591 TBC-domain GAPs for Rab GTPases accelerate GTP hydrolysis by... |
ACCEPT |
Summary: Direct demonstration of Rab7 nucleotide-dependent G protein behavior in the GAP study.
Reason: Core molecular function, directly supported.
Supporting Evidence:
PMID:16855591
TBC-domain GAPs for Rab GTPases accelerate GTP hydrolysis by a dual-finger mechanism.
|
|
GO:0005515
protein binding
|
IPI
PMID:38744829 RUFY4 deletion prevents pathological bone loss by blocking e... |
REMOVE |
Summary: Interaction between Rab7 and the effector RUFY4 in osteoclasts.
Reason: GO:0005515 protein binding is uninformative. RUFY4 is a characterized Rab7 effector for autophagy/lysosome tethering; the functional role is captured by trafficking terms.
Supporting Evidence:
PMID:38744829
Recent studies have shown that RUFY4 is an effector of small GTPases such as Rab7
|
|
GO:0098943
neurotransmitter receptor transport, postsynaptic endosome to lysosome
|
IDA
PMID:24217640 Stargazin regulates AMPA receptor trafficking through adapto... |
KEEP AS NON CORE |
Summary: SynGO annotation associating Rab7 with postsynaptic endosome-to-lysosome AMPA-receptor trafficking during long-term depression.
Reason: Revisited in the human/mouse Deliverome comparison. The accessible PMID text supports AMPA-receptor movement into late endosomal/lysosomal compartments during LTD, which is compatible with Rab7's conserved endosome-to-lysosome role. However, the paper emphasizes stargazin/AP-2/AP-3A rather than a Rab7-specific perturbation, so this should be retained only as a SynGO neuronal-context annotation and not treated as core Rab7 biology.
Supporting Evidence:
PMID:24217640
stargazin-AP-3A abrogates the late endosomal/lysosomal trafficking of AMPA receptors
|
|
GO:0098943
neurotransmitter receptor transport, postsynaptic endosome to lysosome
|
IMP
PMID:24217640 Stargazin regulates AMPA receptor trafficking through adapto... |
KEEP AS NON CORE |
Summary: SynGO IMP annotation for Rab7 in AMPA-receptor degradative trafficking during LTD.
Reason: Revisited in the human/mouse Deliverome comparison. The PMID supports activity-dependent AMPA-receptor routing from early endosomes toward late endosomes/lysosomes, a route Rab7 generally controls. Because the accessible text identifies stargazin/AP-2/AP-3A as the experimental focus and does not give Rab7-specific mechanistic evidence, retain this as non-core and indirect.
Supporting Evidence:
PMID:24217640
transport from the cell surface to early endosomes and from early endosomes to late endosomes/lysosomes
|
|
GO:0098978
glutamatergic synapse
|
IDA
PMID:24217640 Stargazin regulates AMPA receptor trafficking through adapto... |
KEEP AS NON CORE |
Summary: SynGO annotation placing Rab7 at glutamatergic synapses in AMPA-receptor trafficking.
Reason: The source is a hippocampal LTD/AMPAR-trafficking study, so the glutamatergic-synapse context is biologically plausible for the SynGO annotation. It is not a core Rab7 localization, and the accessible text does not provide direct Rab7 localization or perturbation evidence, so retain only as a context-specific neuronal annotation.
Supporting Evidence:
PMID:24217640
necessary for low-frequency stimulus-evoked LTD in CA1 hippocampal neurons
|
|
GO:0098978
glutamatergic synapse
|
IMP
PMID:24217640 Stargazin regulates AMPA receptor trafficking through adapto... |
KEEP AS NON CORE |
Summary: SynGO IMP annotation for Rab7 functional role at glutamatergic synapses (LTD).
Reason: The PMID supports postsynaptic AMPA-receptor trafficking during LTD in hippocampal neurons, but the accessible text centers on stargazin and adaptor complexes rather than Rab7-specific evidence. Retain the SynGO row as a non-core neuronal-context annotation and avoid using it as a primary assertion about Rab7 function.
Supporting Evidence:
PMID:24217640
postsynaptic AMPA receptor trafficking mediates LTD
|
|
GO:0005770
late endosome
|
IDA
PMID:35353806 TMED2 binding restricts SMO to the ER and Golgi compartments... |
ACCEPT |
Summary: Rab7 on late endosomes in a study of TMED2/SMO trafficking, by super-resolution 3D-STORM imaging.
Reason: Core localization, experimentally observed.
Supporting Evidence:
PMID:35353806
Dual color 3D-STORM analysis showing ERP72 (C), RCAS1 (D) and RAB7 (E) distribution
|
|
GO:0005765
lysosomal membrane
|
IDA
PMID:23708524 β-adrenergic receptor-stimulated lipolysis requires the RAB7... |
ACCEPT |
Summary: Rab7 colocalizes with lysosomal membranes during autolysosomal lipid degradation in adipocytes.
Reason: Core localization, experimentally supported in mouse.
Supporting Evidence:
PMID:23708524
RAB7 plays a pivotal role in the regulation of this autolysosome-mediated lipid degradation in fat cells.
|
|
GO:0005829
cytosol
|
IDA
PMID:23708524 β-adrenergic receptor-stimulated lipolysis requires the RAB7... |
ACCEPT |
Summary: Inactive GDP-bound Rab7 is cytosolic; observed in the lipolysis/lipophagy study.
Reason: Consistent with the GTPase cycle (cytosolic GDP-bound pool).
|
|
GO:0005515
protein binding
|
IPI
PMID:29712939 Essential Role of the a3 Isoform of V-ATPase in Secretory Ly... |
REMOVE |
Summary: Interaction supporting V-ATPase a3-dependent Rab7 recruitment to secretory lysosomes.
Reason: GO:0005515 protein binding is uninformative; the functional relationship is captured by recruitment/localization terms.
Supporting Evidence:
PMID:29712939
Rab7, a small GTPase involved in organelle trafficking.
|
|
GO:0005739
mitochondrion
|
ISS
GO_REF:0000024 |
KEEP AS NON CORE |
Summary: Mitochondrial association by sequence similarity (mitophagy context).
Reason: Context-dependent localization, not constitutive.
|
|
GO:0099638
endosome to plasma membrane protein transport
|
ISS
GO_REF:0000024 |
KEEP AS NON CORE |
Summary: Rab7 influence on plasma-membrane-directed cargo transport by sequence similarity.
Reason: Secondary function relative to the core degradative role.
|
|
GO:0005770
late endosome
|
IDA
PMID:27390154 Loss of strumpellin in the melanocytic lineage impairs the W... |
ACCEPT |
Summary: Rab7 used as the late endosomal marker in a melanocyte WASH/strumpellin colocalization study.
Reason: Core localization, experimentally observed.
Supporting Evidence:
PMID:27390154
a significant increase in the colocalization of WASH and the late endosomal marker Rab7
|
|
GO:0005764
lysosome
|
IDA
PMID:29712939 Essential Role of the a3 Isoform of V-ATPase in Secretory Ly... |
ACCEPT |
Summary: Active Rab7 functions on (secretory) lysosomes, recruited in a V-ATPase a3-dependent manner.
Reason: Core site of action, experimentally supported in mouse.
Supporting Evidence:
PMID:29712939
Essential Role of the a3 Isoform of V-ATPase in Secretory Lysosome Trafficking via Rab7 Recruitment.
|
|
GO:0051650
establishment of vesicle localization
|
IMP
PMID:29712939 Essential Role of the a3 Isoform of V-ATPase in Secretory Ly... |
ACCEPT |
Summary: Rab7 recruitment is required for proper trafficking/positioning of secretory lysosomes (V-ATPase a3-dependent).
Reason: Consistent with the established Rab7 role in vesicle/organelle positioning.
Supporting Evidence:
PMID:29712939
Essential Role of the a3 Isoform of V-ATPase in Secretory Lysosome Trafficking via Rab7 Recruitment.
|
|
GO:0005770
late endosome
|
IDA
PMID:25592972 An aberrant sugar modification of BACE1 blocks its lysosomal... |
ACCEPT |
Summary: Rab7 used as a late-endosome marker in subcellular fractionation in a study of BACE1 lysosomal targeting.
Reason: Core localization, experimentally observed.
Supporting Evidence:
PMID:25592972
immunoblotted for BACE1, APP, rab5, or rab7
|
|
GO:0005515
protein binding
|
IPI
PMID:27777970 PLEKHM1/DEF8/RAB7 complex regulates lysosome positioning and... |
REMOVE |
Summary: Rab7 binds the PLEKHM1/DEF8 lysosome-positioning effector complex.
Reason: GO:0005515 protein binding is uninformative. PLEKHM1 is a well-characterized Rab7 effector; the function is captured by lysosome positioning/trafficking terms.
Supporting Evidence:
PMID:27777970
PLEKHM1 binds to RAB7 and is critical for lysosome trafficking.
|
|
GO:0005768
endosome
|
IDA
PMID:26582200 Lifeguard Inhibits Fas Ligand-mediated Endoplasmic Reticulum... |
ACCEPT |
Summary: Rab7 on endosomes in a study of Lifeguard/Fas signaling.
Reason: Accurate, though general; more specific late endosome terms are also annotated.
|
|
GO:0005811
lipid droplet
|
IDA
PMID:23708524 β-adrenergic receptor-stimulated lipolysis requires the RAB7... |
ACCEPT |
Summary: Rab7 localizes to lipid droplets and the LD-associated pool drives their autophagic degradation during beta-adrenergic lipolysis in mouse adipocytes.
Reason: Experimentally supported localization underpinning the lipophagy function.
Supporting Evidence:
PMID:23708524
ADRB2 stimulation has caused a marked increase in the autophagy-targeted LDs for lysosomal degradation, which is dependent on the LD-associated RAB7
|
|
GO:0031902
late endosome membrane
|
IDA
PMID:23708524 β-adrenergic receptor-stimulated lipolysis requires the RAB7... |
ACCEPT |
Summary: Rab7 on late endosome membranes in the adipocyte lipolysis/lipophagy study.
Reason: Core localization, experimentally supported.
Supporting Evidence:
PMID:23708524
RAB7, being primarily associated with late endosomes, is a central factor in endosomal trafficking
|
|
GO:0061724
lipophagy
|
IMP
PMID:23708524 β-adrenergic receptor-stimulated lipolysis requires the RAB7... |
ACCEPT |
Summary: Rab7 is required for autolysosome-mediated lipid-droplet degradation (lipophagy) in fat cells, shown by knockdown and dominant-negative mutant.
Reason: Directly demonstrated mouse function; a specialized branch of the core autophagy role.
Supporting Evidence:
PMID:23708524
RAB7 plays a pivotal role in the regulation of this autolysosome-mediated lipid degradation in fat cells.
|
|
GO:0005770
late endosome
|
IDA
PMID:24760869 In vivo regulation of NGF-mediated functions by Nedd4-2 ubiq... |
ACCEPT |
Summary: Rab7 on late endosomes in a study of Nedd4-2/TrkA trafficking.
Reason: Core localization, experimentally observed.
|
|
GO:0034045
phagophore assembly site membrane
|
IDA
PMID:19956673 An initial step of GAS-containing autophagosome-like vacuole... |
ACCEPT |
Summary: Rab7 at the phagophore assembly site during formation of GAS-containing autophagosome-like vacuoles (GcAVs).
Reason: Consistent with the Rab7 role in autophagy.
Supporting Evidence:
PMID:19956673
Rab7, a member of the small GTPase Rab family, may be involved in GcAV formation
|
|
GO:0005770
late endosome
|
IDA
PMID:24334765 The tumor susceptibility gene TMEM127 is mutated in renal ce... |
ACCEPT |
Summary: Rab7 on late endosomes in a study of TMEM127 endolysosomal function.
Reason: Core localization, experimentally observed.
|
|
GO:0005515
protein binding
|
IPI
PMID:22467241 V-ATPase subunit ATP6AP1 (Ac45) regulates osteoclast differe... |
REMOVE |
Summary: Rab7 interaction in the context of ATP6AP1/Ac45 and osteoclast lysosomal trafficking.
Reason: GO:0005515 protein binding is uninformative; the relevant function is lysosomal trafficking in osteoclasts.
|
|
GO:0005770
late endosome
|
IDA
PMID:24035762 Christianson syndrome protein NHE6 modulates TrkB endosomal ... |
ACCEPT |
Summary: Rab7 used as a late-endosome marker (co-staining with NHE6) in a study of TrkB endosomal signaling.
Reason: Core localization, experimentally observed.
Supporting Evidence:
PMID:24035762
Rab7-associated endosomes (late endosomes)
|
|
GO:0005515
protein binding
|
IPI
PMID:24549040 C9ORF72, implicated in amytrophic lateral sclerosis and fron... |
REMOVE |
Summary: Rab7 interaction in the context of C9ORF72 endosomal trafficking.
Reason: GO:0005515 protein binding is uninformative; C9ORF72 regulates Rab-mediated endosomal trafficking, captured by trafficking terms.
|
|
GO:0005515
protein binding
|
IPI
PMID:22275436 Melanoregulin regulates retrograde melanosome transport thro... |
REMOVE |
Summary: Rab7 interaction in melanoregulin/RILP-p150Glued retrograde melanosome transport.
Reason: GO:0005515 protein binding is uninformative; the RILP effector axis is captured by trafficking/transport terms.
|
|
GO:0005770
late endosome
|
IDA
PMID:23028046 Cellular adaptation to anthrax lethal toxin-induced mitochon... |
ACCEPT |
Summary: Rab7 on late endosomes in a macrophage anthrax-toxin/MLN64 study.
Reason: Core localization, experimentally observed.
|
|
GO:0005737
cytoplasm
|
IDA
PMID:18656450 Trafficking of cGMP-dependent protein kinase II via interact... |
ACCEPT |
Summary: Cytoplasmic localization observed in a cGKII/Rab11 trafficking study.
Reason: Accurate but general; the cytosol and specific vesicular compartments are more informative and also annotated.
|
|
GO:0045335
phagocytic vesicle
|
ISS
GO_REF:0000024 |
ACCEPT |
Summary: Phagocytic vesicle localization by sequence similarity.
Reason: Consistent with the phagosome maturation function.
|
|
GO:0090383
phagosome acidification
|
ISS
GO_REF:0000024 |
ACCEPT |
Summary: Phagosome acidification by sequence similarity.
Reason: Part of the core phagosome maturation function.
|
|
GO:0090385
phagosome-lysosome fusion
|
ISS
GO_REF:0000024 |
ACCEPT |
Summary: Phagosome-lysosome fusion by sequence similarity.
Reason: Core function in phagolysosome formation.
|
|
GO:0005515
protein binding
|
IPI
PMID:19368996 The drs tumor suppressor is involved in the maturation proce... |
REMOVE |
Summary: Rab7 interaction in a study of the drs tumor suppressor in autophagy maturation.
Reason: GO:0005515 protein binding is uninformative; the autophagy maturation role is captured by autophagy terms.
|
|
GO:0005770
late endosome
|
IDA
PMID:19509052 Derlin-dependent accumulation of integral membrane proteins ... |
ACCEPT |
Summary: Rab7 on late endosomes in a Derlin membrane-protein accumulation study.
Reason: Core localization, experimentally observed.
|
|
GO:0045022
early endosome to late endosome transport
|
ISS
GO_REF:0000024 |
ACCEPT |
Summary: Early-to-late endosome transport by sequence similarity (Rab5-to-Rab7 conversion).
Reason: Core function in endosomal maturation.
|
|
GO:0005770
late endosome
|
IDA
PMID:20943658 Expression, localization, and biochemical characterization o... |
ACCEPT |
Summary: Rab7 marks the late endosomes to which Nmnat2 localizes.
Reason: Core localization, experimentally observed.
Supporting Evidence:
PMID:20943658
Nmnat2 localizes to Rab7-containing late endosomes
|
|
GO:0005515
protein binding
|
IPI
PMID:12972561 Rabring7, a novel Rab7 target protein with a RING finger mot... |
REMOVE |
Summary: Identification of Rabring7 (BCA2/RNF115) as a Rab7 target protein with a RING finger motif.
Reason: GO:0005515 protein binding is uninformative; this is a specific effector interaction whose function is better captured by other terms.
|
|
GO:0005770
late endosome
|
IDA
PMID:15588329 Membrane trafficking and mitochondrial abnormalities precede... |
ACCEPT |
Summary: Rab7 used as the late endosomal marker in a juvenile neuronal ceroid lipofuscinosis cerebellar cell model.
Reason: Core localization, experimentally observed.
Supporting Evidence:
PMID:15588329
the late endosomal marker, Rab7
|
|
GO:0005764
lysosome
|
ISO
PMID:15078902 Cargo-selective endosomal sorting for retrieval to the Golgi... |
ACCEPT |
Summary: Lysosome localization transferred from the retromer ortholog study, where the retromer subunit VPS26 colocalizes with Rab7.
Reason: Core localization.
Supporting Evidence:
PMID:15078902
modest colocalization between mVPS26 and GFP-rab7
|
|
GO:0005770
late endosome
|
ISO
PMID:15078902 Cargo-selective endosomal sorting for retrieval to the Golgi... |
ACCEPT |
Summary: Late endosome localization transferred from the retromer ortholog study, where the retromer subunit VPS26 colocalizes with Rab7.
Reason: Core localization.
Supporting Evidence:
PMID:15078902
modest colocalization between mVPS26 and GFP-rab7
|
|
GO:0005770
late endosome
|
IDA
PMID:11172003 A FYVE-finger-containing protein, Rabip4, is a Rab4 effector... |
ACCEPT |
Summary: Rab7 on late endosomes in a study of the Rab4 effector Rabip4.
Reason: Core localization, experimentally observed.
|
|
GO:0006886
intracellular protein transport
|
TAS
PMID:11042173 Proteomics characterization of abundant Golgi membrane prote... |
KEEP AS NON CORE |
Summary: Rab7 general role in intracellular protein transport, from a Golgi membrane proteomics paper.
Reason: Too general; the specific endosome-to-lysosome and retrograde transport terms capture the actual function more precisely.
|
|
GO:0005794
Golgi apparatus
|
IDA
PMID:11042173 Proteomics characterization of abundant Golgi membrane prote... |
MARK AS OVER ANNOTATED |
Summary: Rab7 detected in a bulk proteomic characterization of abundant Golgi membrane proteins.
Reason: Rab7 is a late-endosome/lysosome GTPase; detection in a Golgi membrane fraction most plausibly reflects co-fractionation/contamination or transient retrograde-pathway association rather than a genuine steady-state Golgi pool. Not a core localization.
|
Q: The Nature Biotechnology study (PMID:41814093) shows that loss of Rab7 increases cytosolic escape of lipid nanoparticles in mouse liver. Does Rab7 activity define a general, druggable checkpoint that partitions endocytosed cargo between degradation and cytosolic escape, and can transient Rab7 modulation be exploited to enhance therapeutic nucleic-acid delivery?
Q: How are the tissue-specialized Rab7 functions (adipocyte lipophagy, synaptic AMPA-receptor turnover, osteoclast ruffled-border trafficking) differentially wired through distinct effectors despite a single ubiquitous GTPase switch?
Experiment: Use the LysoTag/Lysosomal Barcoding in vivo endosomal-escape assay (PMID:41814093) across conditional Rab7 (Rab7a) knockout tissues to quantify, in a tissue-resolved manner, how Rab7 loss shifts the balance between lysosomal degradation and cytosolic escape of endocytosed cargo.
Experiment: Effector-interaction profiling (proximity labeling) of mouse Rab7 in adipocytes, neurons and osteoclasts to map the cell-type-specific effector modules that route the common Rab7 switch to lipophagy, synaptic receptor degradation and ruffled-border trafficking, respectively.
Provenance note. Automated deep-research providers could not be run in this
environment: the Falcon provider requires theagentapibinary (not in PATH),
and the OpenAI/Perplexity/Anthropic providers require API keys that are not set.
Per project policy, no-deep-research-{provider}.mdfile was fabricated. This
file is a manual synthesis assembled from cached primary literature
(publications/PMID_*.md) and the requested Nature Biotechnology 2026 paper.
Every assertion carries a PMID and supporting quote.
Mouse Rab7 (official symbol Rab7a, MGI:105068; UniProt P51150, 207 aa)
is a Rab-family small GTPase (EC 3.6.5.2) and the direct ortholog of human RAB7A.
It is the master switch of the late endocytic pathway, GTP-loaded by Mon1-Ccz1 on
maturing endosomes and turned off by TBC-domain GAPs.
A point worth flagging so the two paralogs are not conflated (mouse "Rab7" = Rab7a):
This also supports flagging the lone Golgi apparatus annotation
(GO:0005794, from a bulk Golgi-membrane proteomics survey PMID:11042173) as an
over-annotation — Golgi-directed traffic is the province of Rab7b, not Rab7a.
PMID:41814093 Jozić et al. (2026) Nature Biotechnology,
"In vivo endosomal escape assay identifies mechanisms for efficient hepatic LNP
delivery." DOI: 10.1038/s41587-026-03022-6.
Why this is interesting: most of the Rab7 literature frames it through degradation
and disease. This study reframes Rab7 as a rate-limiting "checkpoint" that
partitions endocytosed cargo toward lysosomal degradation and away from cytosolic
delivery — i.e., the same maturation activity that makes Rab7 essential for
degradation is exactly what limits the efficiency of nucleic-acid therapeutics in
vivo. It also provides rare in vivo, intact-tissue genetic evidence for Rab7's
role in late endosomal maturation, complementing the mostly cell-line-based
mechanistic literature.
The genuinely mouse-experimental (non-ISO) annotations cluster around tissue
physiology rather than generic trafficking, which is the most distinctive aspect of
the mouse dataset:
UniProt: P51150 (RAB7A_MOUSE), 207 aa. Official MGI symbol Rab7a (MGI:105068),
historical/synonym symbol Rab7. Directory and files use the Rab7 prefix (as
fetched). NCBI taxon 10090.
Mouse Rab7 (Rab7a) is the direct ortholog of human RAB7A and is functionally identical:
a Rab-family small GTPase (EC 3.6.5.2) that acts as the master regulator of the late
endocytic pathway. It cycles between an inactive GDP-bound (cytosolic) state and an
active GTP-bound (membrane-associated) state. When GTP-loaded by the Mon1–Ccz1 GEF on
maturing endosomes (Rab5→Rab7 conversion), it recruits effectors (RILP, HOPS,
retromer, FYCO1, PLEKHM1, ORP1L) to drive late endosome–lysosome fusion,
autophagosome–lysosome fusion, phagosome maturation, retrograde endosome→Golgi
transport, and lysosome positioning. It is inactivated by TBC-domain GAPs.
The mouse-specific experimental literature emphasizes physiological roles:
- Lipophagy / β-adrenergic lipolysis in adipocytes PMID:23708524.
- Synaptic AMPA-receptor trafficking and LTD in neurons PMID:24217640.
- Osteoclast bone resorption / ruffled border via PLEKHM1/DEF8 and RUFY4
[PMID:27777970, PMID:38744829, PMID:22467241].
- Secretory-lysosome trafficking via V-ATPase a3-mediated Rab7 recruitment
PMID:29712939.
- Numerous late-endosome/lysosome co-localization studies (TrkB/NHE6, TrkA/Nedd4-2,
BACE1, TMEM127, WASH/strumpellin, C9ORF72, etc.).
The SynGO annotations from PMID:24217640 were revisited during the human/mouse
RAB7A/Rab7a comparison for the Deliverome project. The accessible paper text
supports AMPA-receptor routing from early endosomes toward late
endosomal/lysosomal compartments during LTD [PMID:24217640 Stargazin regulates
AMPA receptor trafficking through adaptor protein complexes during long-term
depression, "transport from the cell surface to early endosomes and from early
endosomes to late endosomes/lysosomes"]. However, the experimentally centered
actors in the accessible text are stargazin, AP-2, and AP-3A, not Rab7. I
therefore changed the four cached SynGO review rows from UNDECIDED to
KEEP_AS_NON_CORE, retaining them as indirect neuronal-context annotations
rather than core Rab7 biology.
PMID:41814093 Jozić et al. (2026) Nature Biotechnology,
"In vivo endosomal escape assay identifies mechanisms for efficient hepatic LNP
delivery." DOI: 10.1038/s41587-026-03022-6.
- Used LysoTag mice for immunoisolation of liver lysosomes and lysosomal
proteomics to quantify endosomal escape of lipid nanoparticles (LNPs) in vivo.
- Key Rab7 finding: "Loss of Rab7, a mediator of late endosomal maturation,
increased LNP escape." In vivo evidence (mouse liver) that Rab7 is a mediator of
late endosomal maturation and that its loss diverts cargo away from the
degradative lysosomal route, increasing cytosolic escape.
- This supports the core Rab7 functions of late-endosome maturation
(early→late endosome transport, endosome→lysosome transport) in an intact mouse.
- Added as a reference and cited as supporting evidence on the relevant
maturation/transport annotations.
Automated deep research could not be run in this environment: the Falcon
provider requires the agentapi binary (not in PATH), and the
OpenAI/Perplexity/Anthropic providers require API keys that are unset. No
-deep-research-{provider}.md file was fabricated (per project policy). A manual,
fully-cited synthesis was written to Rab7-deep-research-manual.md instead.
119 GOA annotations seeded. The biology mirrors human RAB7A
(genes/human/RAB7A/RAB7A-ai-review.yaml). Decisions:
- ACCEPT core MF (GTPase activity, G protein activity, GTP/GDP binding) and core
CC/BP (late endosome, lysosome, endosome→lysosome transport, retromer, retrograde
transport, autophagy/lipophagy, phagosome maturation).
- REMOVE all GO:0005515 protein binding (uninformative per curation guidelines);
the underlying effector interactions are captured by specific terms.
- KEEP_AS_NON_CORE for tissue/context-specialized roles (synaptic, bone resorption,
melanosome, mitophagy, exosome, viral, sterol sensing, EGF catabolism).
- MARK_AS_OVER_ANNOTATED for Golgi apparatus (GO:0005794, IDA from a bulk Golgi
membrane proteomics study PMID:11042173) — Rab7 is a late-endosome/lysosome
protein and this is most consistent with co-fractionation/contamination rather
than a genuine steady-state Golgi pool.
id: P51150
gene_symbol: Rab7
product_type: PROTEIN
status: COMPLETE
taxon:
id: NCBITaxon:10090
label: Mus musculus
description: >-
Mouse Rab7 (official symbol Rab7a; UniProt P51150) is a Rab-family small GTPase
(EC 3.6.5.2) and the direct ortholog of human RAB7A. It is the master regulator
of the late endocytic pathway, cycling between an inactive GDP-bound (cytosolic)
state and an active GTP-bound (membrane-associated) state. GTP-loading by the
Mon1-Ccz1 GEF on maturing endosomes (the Rab5-to-Rab7 conversion) recruits
effectors including RILP, the HOPS tethering complex, retromer, FYCO1, PLEKHM1
and ORP1L to drive early-to-late endosome maturation, late endosome-lysosome
fusion, autophagosome-lysosome fusion, phagosome maturation, retrograde
endosome-to-Golgi transport and lysosome positioning. It is inactivated by
TBC-domain GAPs. Mouse studies have established physiological roles in lipophagy
and beta-adrenergic lipolysis in adipocytes, synaptic AMPA-receptor trafficking
during long-term depression in neurons, osteoclast ruffled-border function and
bone resorption, and secretory-lysosome trafficking. In vivo work in mouse liver
using LysoTag mice further confirms Rab7 as a mediator of late endosomal
maturation, where its loss diverts cargo away from the degradative route and
increases the cytosolic escape of lipid nanoparticles (PMID:41814093).
existing_annotations:
# ============ IBA ANNOTATIONS (PHYLOGENETIC) ============
- term:
id: GO:0005764
label: lysosome
evidence_type: IBA
original_reference_id: GO_REF:0000033
qualifier: is_active_in
review:
summary: >-
Rab7 is a canonical lysosomal marker and effector platform. UniProt lists
lysosome membrane localization with experimental support across orthologs.
action: ACCEPT
reason: >-
Core localization where Rab7 exerts its regulatory function in fusion and
cargo degradation; supported by phylogenetic conservation and experimental
data in mouse.
- term:
id: GO:0005770
label: late endosome
evidence_type: IBA
original_reference_id: GO_REF:0000033
qualifier: is_active_in
review:
summary: >-
Late endosome is the canonical site of active Rab7, where it is GTP-loaded
by Mon1-Ccz1 during the Rab5-to-Rab7 conversion.
action: ACCEPT
reason: >-
Defining core localization for Rab7, confirmed by many mouse IDA studies in
this review.
- term:
id: GO:0008333
label: endosome to lysosome transport
evidence_type: IBA
original_reference_id: GO_REF:0000033
qualifier: involved_in
review:
summary: >-
The core biological process for Rab7: it controls maturation of late
endosomes and their fusion with lysosomes for cargo degradation. In vivo
mouse liver data confirm Rab7 as a mediator of late endosomal maturation.
action: ACCEPT
reason: >-
Core biological function, strongly supported across orthologs and directly
in mouse.
supported_by:
- reference_id: PMID:41814093
supporting_text: "Loss of Rab7, a mediator of late endosomal maturation, increased LNP escape."
- reference_id: file:mouse/Rab7/Rab7-deep-research-manual.md
supporting_text: Manual synthesis of mouse Rab7/Rab7a literature supports
the conserved late-endosome maturation and endosome-to-lysosome routing
function.
- term:
id: GO:0045335
label: phagocytic vesicle
evidence_type: IBA
original_reference_id: GO_REF:0000033
qualifier: is_active_in
review:
summary: >-
Rab7 is recruited to phagosomes and regulates phagosome maturation.
action: ACCEPT
reason: >-
Core function in phagosome maturation; conserved across the Rab7 ortholog
group.
- term:
id: GO:0090385
label: phagosome-lysosome fusion
evidence_type: IBA
original_reference_id: GO_REF:0000033
qualifier: involved_in
review:
summary: >-
Rab7 is required for phagosome-lysosome fusion and phagolysosome
maturation.
action: ACCEPT
reason: >-
Core function in innate immunity / pathogen degradation, conserved across
orthologs.
# ============ IEA ANNOTATIONS (AUTOMATED) ============
- term:
id: GO:0000421
label: autophagosome membrane
evidence_type: IEA
original_reference_id: GO_REF:0000044
qualifier: located_in
review:
summary: >-
Rab7 localizes to autophagosome membranes and is required for
autophagosome-lysosome fusion.
action: ACCEPT
reason: >-
Core localization for the autophagy role of Rab7; consistent with
phagophore assembly site annotation in this review.
- term:
id: GO:0003924
label: GTPase activity
evidence_type: IEA
original_reference_id: GO_REF:0000002
qualifier: enables
review:
summary: >-
Rab7 has intrinsic GTPase activity (EC 3.6.5.2) hydrolyzing GTP to GDP,
accelerated by TBC-domain GAPs.
action: ACCEPT
reason: >-
Core molecular function, fundamental to the molecular-switch behavior;
directly demonstrated for mouse Rab7 (PMID:16855591).
- term:
id: GO:0003925
label: G protein activity
evidence_type: IEA
original_reference_id: GO_REF:0000003
qualifier: enables
review:
summary: >-
Rab7 functions as a G protein, cycling between active GTP-bound and inactive
GDP-bound states to regulate membrane trafficking.
action: ACCEPT
reason: >-
Accurate core molecular function for a Rab-family small GTPase.
- term:
id: GO:0005525
label: GTP binding
evidence_type: IEA
original_reference_id: GO_REF:0000002
qualifier: enables
review:
summary: >-
GTP binding activates Rab7 and enables membrane association and effector
recruitment.
action: ACCEPT
reason: >-
Core molecular function of the GTPase cycle.
- term:
id: GO:0005765
label: lysosomal membrane
evidence_type: IEA
original_reference_id: GO_REF:0000044
qualifier: located_in
review:
summary: >-
Rab7 localizes to lysosomal membranes as a peripheral membrane protein on
the cytoplasmic face.
action: ACCEPT
reason: >-
Core localization, confirmed experimentally in mouse (e.g. PMID:28063257).
- term:
id: GO:0005770
label: late endosome
evidence_type: IEA
original_reference_id: GO_REF:0000117
qualifier: located_in
review:
summary: >-
Late endosome localization predicted by ARBA, consistent with abundant
experimental evidence.
action: ACCEPT
reason: >-
Canonical core localization.
- term:
id: GO:0005811
label: lipid droplet
evidence_type: IEA
original_reference_id: GO_REF:0000044
qualifier: located_in
review:
summary: >-
Rab7 localizes to lipid droplets during lipophagy, directly demonstrated in
mouse adipocytes.
action: ACCEPT
reason: >-
Valid localization related to lipophagy; experimentally supported in mouse
(PMID:23708524).
- term:
id: GO:0010008
label: endosome membrane
evidence_type: IEA
original_reference_id: GO_REF:0000044
qualifier: located_in
review:
summary: >-
Rab7 localizes to endosome membranes, primarily late endosome membranes.
action: ACCEPT
reason: >-
Accurate localization; the more specific late endosome membrane term is also
annotated.
- term:
id: GO:0030670
label: phagocytic vesicle membrane
evidence_type: IEA
original_reference_id: GO_REF:0000044
qualifier: located_in
review:
summary: >-
Rab7 localizes to phagosomal membranes during phagosome maturation.
action: ACCEPT
reason: >-
Core localization for the phagosome maturation function.
- term:
id: GO:0031410
label: cytoplasmic vesicle
evidence_type: IEA
original_reference_id: GO_REF:0000044
qualifier: located_in
review:
summary: >-
Rab7 localizes to multiple types of cytoplasmic vesicles.
action: ACCEPT
reason: >-
Accurate but general; more specific vesicle annotations are present.
- term:
id: GO:0031902
label: late endosome membrane
evidence_type: IEA
original_reference_id: GO_REF:0000044
qualifier: located_in
review:
summary: >-
Late endosome membrane is the canonical site for active Rab7.
action: ACCEPT
reason: >-
Core localization where Rab7 recruits effectors for maturation and
transport.
- term:
id: GO:0031966
label: mitochondrial membrane
evidence_type: IEA
original_reference_id: GO_REF:0000044
qualifier: located_in
review:
summary: >-
Rab7 can be recruited to mitochondrial membranes during mitophagy and at
ER-mitochondria/endosome contact sites.
action: KEEP_AS_NON_CORE
reason: >-
Context-dependent localization during mitophagy rather than constitutive
mitochondrial residence.
- term:
id: GO:0033162
label: melanosome membrane
evidence_type: IEA
original_reference_id: GO_REF:0000044
qualifier: located_in
review:
summary: >-
Rab7 localizes to melanosome membranes; melanosomes are lysosome-related
organelles.
action: KEEP_AS_NON_CORE
reason: >-
Cell-type-specific localization relevant to melanocyte biology and
lysosome-related organelle biogenesis.
- term:
id: GO:0098588
label: bounding membrane of organelle
evidence_type: IEA
original_reference_id: GO_REF:0000117
qualifier: located_in
review:
summary: >-
Rab7 localizes to the bounding membranes of various organelles as a
peripheral membrane protein.
action: ACCEPT
reason: >-
Accurate general localization consistent with Rab7 membrane-association
pattern.
# ============ ISO ANNOTATIONS (ORTHOLOG TRANSFER) ============
- term:
id: GO:0005765
label: lysosomal membrane
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: located_in
review:
summary: >-
Lysosomal membrane localization transferred from experimentally
characterized orthologs.
action: ACCEPT
reason: >-
Core localization, well supported.
- term:
id: GO:0005765
label: lysosomal membrane
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: located_in
review:
summary: >-
Lysosomal membrane localization transferred from human ortholog.
action: ACCEPT
reason: >-
Core localization, consistent with mouse experimental data.
- term:
id: GO:0031902
label: late endosome membrane
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: located_in
review:
summary: >-
Late endosome membrane localization transferred from orthologs.
action: ACCEPT
reason: >-
Core localization.
- term:
id: GO:0031902
label: late endosome membrane
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: located_in
review:
summary: >-
Late endosome membrane localization transferred from human ortholog.
action: ACCEPT
reason: >-
Core localization.
- term:
id: GO:0033162
label: melanosome membrane
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: located_in
review:
summary: >-
Melanosome membrane localization transferred from human ortholog.
action: KEEP_AS_NON_CORE
reason: >-
Cell-type-specific localization in melanocytes (lysosome-related organelle).
- term:
id: GO:0003924
label: GTPase activity
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: enables
review:
summary: >-
GTPase activity transferred from human ortholog; also directly demonstrated
for mouse Rab7.
action: ACCEPT
reason: >-
Core molecular function.
- term:
id: GO:0003925
label: G protein activity
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: enables
review:
summary: >-
G protein (molecular switch) activity transferred from human ortholog.
action: ACCEPT
reason: >-
Core molecular function for a Rab GTPase.
- term:
id: GO:0005525
label: GTP binding
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: enables
review:
summary: >-
GTP binding transferred from experimentally characterized orthologs.
action: ACCEPT
reason: >-
Core molecular function.
- term:
id: GO:0005525
label: GTP binding
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: enables
review:
summary: >-
GTP binding transferred from human ortholog.
action: ACCEPT
reason: >-
Core molecular function.
- term:
id: GO:0005739
label: mitochondrion
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: located_in
review:
summary: >-
Mitochondrial association during mitophagy / at contact sites, transferred
from human ortholog.
action: KEEP_AS_NON_CORE
reason: >-
Context-dependent localization, not constitutive.
- term:
id: GO:0005764
label: lysosome
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: colocalizes_with
review:
summary: >-
Lysosome colocalization transferred from human ortholog.
action: ACCEPT
reason: >-
Core localization.
- term:
id: GO:0005764
label: lysosome
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: located_in
review:
summary: >-
Lysosome localization transferred from human ortholog.
action: ACCEPT
reason: >-
Core localization.
- term:
id: GO:0005765
label: lysosomal membrane
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: is_active_in
review:
summary: >-
Active Rab7 functions on the lysosomal membrane (ortholog transfer).
action: ACCEPT
reason: >-
Core site of action.
- term:
id: GO:0005770
label: late endosome
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: colocalizes_with
review:
summary: >-
Late endosome colocalization transferred from human ortholog.
action: ACCEPT
reason: >-
Core localization.
- term:
id: GO:0005770
label: late endosome
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: located_in
review:
summary: >-
Late endosome localization transferred from orthologs.
action: ACCEPT
reason: >-
Canonical core localization.
- term:
id: GO:0005770
label: late endosome
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: located_in
review:
summary: >-
Late endosome localization transferred from human ortholog.
action: ACCEPT
reason: >-
Canonical core localization.
- term:
id: GO:0006622
label: protein targeting to lysosome
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 targets cargo proteins to the lysosome for degradation (ortholog
transfer).
action: ACCEPT
reason: >-
Core function in degradative trafficking.
- term:
id: GO:0007174
label: epidermal growth factor catabolic process
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 mediates EGF/EGFR degradation through the endolysosomal pathway.
action: KEEP_AS_NON_CORE
reason: >-
Specific instance of the general endosome-to-lysosome degradative function.
- term:
id: GO:0008333
label: endosome to lysosome transport
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Endosome-to-lysosome transport transferred from human ortholog.
action: ACCEPT
reason: >-
Core biological function.
- term:
id: GO:0009617
label: response to bacterium
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 participates in responses to intracellular bacteria via phagosome
maturation.
action: KEEP_AS_NON_CORE
reason: >-
Downstream physiological consequence of the core phagosome maturation
function.
- term:
id: GO:0010008
label: endosome membrane
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: is_active_in
review:
summary: >-
Active Rab7 functions on the endosome membrane (ortholog transfer).
action: ACCEPT
reason: >-
Core site of action.
- term:
id: GO:0010008
label: endosome membrane
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: located_in
review:
summary: >-
Endosome membrane localization transferred from human ortholog.
action: ACCEPT
reason: >-
Core localization.
- term:
id: GO:0019003
label: GDP binding
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: enables
review:
summary: >-
Rab7 binds GDP in its inactive cytosolic state (ortholog transfer).
action: ACCEPT
reason: >-
Core molecular function of the GTPase cycle.
- term:
id: GO:0019003
label: GDP binding
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: enables
review:
summary: >-
GDP binding transferred from human ortholog.
action: ACCEPT
reason: >-
Core molecular function.
- term:
id: GO:0019076
label: viral release from host cell
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 endolysosomal function is co-opted during certain viral life cycles
(e.g. HIV-1).
action: KEEP_AS_NON_CORE
reason: >-
Host-pathogen exploitation of Rab7 function rather than a primary
biological role.
- term:
id: GO:0022615
label: protein to membrane docking
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 mediates docking of the retromer coat complex to endosomal membranes.
action: ACCEPT
reason: >-
Core function in retromer recruitment and cargo sorting.
- term:
id: GO:0030672
label: synaptic vesicle membrane
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: is_active_in
review:
summary: >-
Rab7 activity at synaptic vesicle membranes / presynaptic endosomes
(ortholog transfer).
action: KEEP_AS_NON_CORE
reason: >-
Neuron-specific localization relevant to synaptic recycling and neuropathy.
- term:
id: GO:0030904
label: retromer complex
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: colocalizes_with
review:
summary: >-
Rab7 colocalizes with the retromer complex on endosomes (ortholog transfer).
action: ACCEPT
reason: >-
Core function; Rab7 recruits retromer for cargo sorting.
- term:
id: GO:0031267
label: small GTPase binding
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: enables
review:
summary: >-
Rab7 can interact with other small GTPases in Rab cascade regulation.
action: KEEP_AS_NON_CORE
reason: >-
Secondary function; Rab7 primarily recruits dedicated effectors.
- term:
id: GO:0032935
label: sterol sensor activity
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: contributes_to
review:
summary: >-
Rab7 contributes to sterol sensing via the ORP1L complex (contributes_to
qualifier).
action: KEEP_AS_NON_CORE
reason: >-
ORP1L carries the sterol-sensing domain; Rab7 scaffolds the complex rather
than directly sensing sterol.
- term:
id: GO:0032991
label: protein-containing complex
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: part_of
review:
summary: >-
Rab7 forms complexes with multiple effectors (RILP, ORP1L, PLEKHM1,
retromer, HOPS).
action: ACCEPT
reason: >-
Accurate, though general; specific complex memberships are also captured.
- term:
id: GO:0036466
label: synaptic vesicle recycling via endosome
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: involved_in
review:
summary: >-
Rab7 involvement in synaptic vesicle recycling via endosomes (ortholog
transfer).
action: KEEP_AS_NON_CORE
reason: >-
Neuron-specific process, not a ubiquitous Rab7 function.
- term:
id: GO:0042147
label: retrograde transport, endosome to Golgi
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7-dependent retromer recruitment drives endosome-to-Golgi retrograde
transport (e.g. CI-M6PR).
action: ACCEPT
reason: >-
Core function downstream of retromer recruitment.
- term:
id: GO:0042632
label: cholesterol homeostasis
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7-ORP1L coordinates cholesterol sensing and late endosome positioning.
action: KEEP_AS_NON_CORE
reason: >-
Specialized function mediated by the ORP1L effector; not the primary
degradative role.
- term:
id: GO:0045022
label: early endosome to late endosome transport
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 controls the Rab5-to-Rab7 conversion that matures early endosomes into
late endosomes. Confirmed in vivo in mouse liver as a mediator of late
endosomal maturation.
action: ACCEPT
reason: >-
Core function; loss of Rab7 perturbs endosomal maturation in vivo.
supported_by:
- reference_id: PMID:41814093
supporting_text: "Loss of Rab7, a mediator of late endosomal maturation, increased LNP escape."
- term:
id: GO:0045335
label: phagocytic vesicle
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: located_in
review:
summary: >-
Phagocytic vesicle localization transferred from human ortholog.
action: ACCEPT
reason: >-
Consistent with the phagosome maturation function.
- term:
id: GO:0045453
label: bone resorption
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: involved_in
review:
summary: >-
Rab7 is required for osteoclast ruffled-border function and bone resorption,
directly demonstrated in mouse osteoclasts.
action: KEEP_AS_NON_CORE
reason: >-
Cell-type-specific physiological role; the ruffled border is a
lysosome-related compartment dependent on Rab7-mediated trafficking.
- term:
id: GO:0045732
label: positive regulation of protein catabolic process
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7-mediated endolysosomal and autophagic flux promotes protein
degradation.
action: ACCEPT
reason: >-
Direct consequence of the core degradative trafficking function.
- term:
id: GO:0048524
label: positive regulation of viral process
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 endolysosomal function can be exploited to promote viral processes.
action: KEEP_AS_NON_CORE
reason: >-
Host-pathogen interaction rather than a primary biological role.
- term:
id: GO:0061462
label: protein localization to lysosome
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 directs protein cargo to the lysosome.
action: ACCEPT
reason: >-
Core function in lysosomal targeting.
- term:
id: GO:0090120
label: lysosome to ER cholesterol transport
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7-ORP1L complex regulates cholesterol transport from lysosomes to the ER.
action: KEEP_AS_NON_CORE
reason: >-
Specialized lipid-homeostasis function mediated by the ORP1L effector.
- term:
id: GO:0090383
label: phagosome acidification
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 regulates phagosomal acidification during maturation.
action: ACCEPT
reason: >-
Part of the core phagosome maturation function.
- term:
id: GO:0090385
label: phagosome-lysosome fusion
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Phagosome-lysosome fusion transferred from human ortholog.
action: ACCEPT
reason: >-
Core function in phagolysosome formation.
- term:
id: GO:0097208
label: alveolar lamellar body
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: located_in
review:
summary: >-
Rab7 localization to alveolar lamellar bodies (lysosome-related organelles
of type II pneumocytes).
action: KEEP_AS_NON_CORE
reason: >-
Cell-type-specific localization.
- term:
id: GO:0098830
label: presynaptic endosome
evidence_type: ISO
original_reference_id: GO_REF:0000096
qualifier: is_active_in
review:
summary: >-
Rab7 activity at presynaptic endosomes (ortholog transfer).
action: KEEP_AS_NON_CORE
reason: >-
Neuron-specific localization relevant to synaptic function.
- term:
id: GO:0099638
label: endosome to plasma membrane protein transport
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 can influence recycling of cargo to the plasma membrane.
action: KEEP_AS_NON_CORE
reason: >-
Secondary function; the primary Rab7 role is degradative trafficking.
- term:
id: GO:1903542
label: negative regulation of exosomal secretion
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 can negatively regulate exosome secretion by directing MVBs toward
lysosomal degradation.
action: KEEP_AS_NON_CORE
reason: >-
Context-dependent regulatory role affecting exosome biogenesis.
- term:
id: GO:1903543
label: positive regulation of exosomal secretion
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: involved_in
review:
summary: >-
Rab7 can also positively regulate exosome secretion in the
syndecan-syntenin-ALIX pathway.
action: KEEP_AS_NON_CORE
reason: >-
Context-dependent; Rab7 has opposing effects on exosome release depending
on pathway.
- term:
id: GO:1905394
label: retromer complex binding
evidence_type: ISO
original_reference_id: GO_REF:0000119
qualifier: enables
review:
summary: >-
Rab7 recruits/binds the retromer complex on endosomes for cargo sorting.
action: ACCEPT
reason: >-
Core molecular function specifying the retromer interaction.
# ============ EXPERIMENTAL (MOUSE) ANNOTATIONS ============
- term:
id: GO:0003924
label: GTPase activity
evidence_type: EXP
original_reference_id: PMID:16855591
qualifier: enables
review:
summary: >-
Biochemical study of TBC-domain GAPs directly characterizing Rab7 GTP
hydrolysis, including the intrinsic GTPase activity accelerated by GAPs.
action: ACCEPT
reason: >-
Core molecular function with direct experimental support.
supported_by:
- reference_id: PMID:16855591
supporting_text: "TBC-domain GAPs for Rab GTPases accelerate GTP hydrolysis by a dual-finger mechanism."
- term:
id: GO:0005765
label: lysosomal membrane
evidence_type: EXP
original_reference_id: PMID:28063257
qualifier: located_in
review:
summary: >-
Experimental localization of Rab7 to the lysosomal membrane in an autophagy
screen; Rab7 is cited as the defining marker of late endosomes and lysosomes.
action: ACCEPT
reason: >-
Core localization, experimentally supported.
supported_by:
- reference_id: PMID:28063257
supporting_text: "late endosomes (Rab7, Rab9), lysosomes (Rab7) and others"
- term:
id: GO:0010008
label: endosome membrane
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: located_in
review:
summary: >-
Endosome membrane localization by sequence similarity to characterized
orthologs.
action: ACCEPT
reason: >-
Core localization.
- term:
id: GO:0031410
label: cytoplasmic vesicle
evidence_type: EXP
original_reference_id: PMID:23179371
qualifier: located_in
review:
summary: >-
Rab7 on cytoplasmic vesicles in a study of CMT2B mutant interaction with
peripherin; the paper notes Rab7a localizes to late endosomes and controls
transport to late endosomes/lysosomes and maturation of phagosomes and
autophagosomes.
action: ACCEPT
reason: >-
Accurate, though general; consistent with vesicular Rab7 localization.
supported_by:
- reference_id: PMID:23179371
supporting_text: "RAB7A is localized to late endosomes and controls transport to late endosomes and lysosomes as well as maturation of phagosomes and autophagosomes"
- term:
id: GO:0031902
label: late endosome membrane
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: located_in
review:
summary: >-
Late endosome membrane localization by sequence similarity.
action: ACCEPT
reason: >-
Core localization.
- term:
id: GO:0031966
label: mitochondrial membrane
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: located_in
review:
summary: >-
Mitochondrial membrane association by sequence similarity (mitophagy /
contact-site context).
action: KEEP_AS_NON_CORE
reason: >-
Context-dependent localization.
- term:
id: GO:0033162
label: melanosome membrane
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: located_in
review:
summary: >-
Melanosome membrane localization by sequence similarity.
action: KEEP_AS_NON_CORE
reason: >-
Cell-type-specific (melanocyte) localization.
- term:
id: GO:0003925
label: G protein activity
evidence_type: IDA
original_reference_id: PMID:16855591
qualifier: enables
review:
summary: >-
Direct demonstration of Rab7 nucleotide-dependent G protein behavior in the
GAP study.
action: ACCEPT
reason: >-
Core molecular function, directly supported.
supported_by:
- reference_id: PMID:16855591
supporting_text: "TBC-domain GAPs for Rab GTPases accelerate GTP hydrolysis by a dual-finger mechanism."
- term:
id: GO:0005515
label: protein binding
evidence_type: IPI
original_reference_id: PMID:38744829
qualifier: enables
review:
summary: >-
Interaction between Rab7 and the effector RUFY4 in osteoclasts.
action: REMOVE
reason: >-
GO:0005515 protein binding is uninformative. RUFY4 is a characterized Rab7
effector for autophagy/lysosome tethering; the functional role is captured
by trafficking terms.
supported_by:
- reference_id: PMID:38744829
supporting_text: "Recent studies have shown that RUFY4 is an effector of small GTPases such as Rab7"
- term:
id: GO:0098943
label: neurotransmitter receptor transport, postsynaptic endosome to lysosome
evidence_type: IDA
original_reference_id: PMID:24217640
qualifier: involved_in
review:
summary: >-
SynGO annotation associating Rab7 with postsynaptic endosome-to-lysosome
AMPA-receptor trafficking during long-term depression.
action: KEEP_AS_NON_CORE
reason: >-
Revisited in the human/mouse Deliverome comparison. The accessible PMID
text supports AMPA-receptor movement into late endosomal/lysosomal
compartments during LTD, which is compatible with Rab7's conserved
endosome-to-lysosome role. However, the paper emphasizes
stargazin/AP-2/AP-3A rather than a Rab7-specific perturbation, so this
should be retained only as a SynGO neuronal-context annotation and not
treated as core Rab7 biology.
supported_by:
- reference_id: PMID:24217640
supporting_text: "stargazin-AP-3A abrogates the late endosomal/lysosomal
trafficking of AMPA receptors"
- term:
id: GO:0098943
label: neurotransmitter receptor transport, postsynaptic endosome to lysosome
evidence_type: IMP
original_reference_id: PMID:24217640
qualifier: involved_in
review:
summary: >-
SynGO IMP annotation for Rab7 in AMPA-receptor degradative trafficking
during LTD.
action: KEEP_AS_NON_CORE
reason: >-
Revisited in the human/mouse Deliverome comparison. The PMID supports
activity-dependent AMPA-receptor routing from early endosomes toward
late endosomes/lysosomes, a route Rab7 generally controls. Because the
accessible text identifies stargazin/AP-2/AP-3A as the experimental
focus and does not give Rab7-specific mechanistic evidence, retain this
as non-core and indirect.
supported_by:
- reference_id: PMID:24217640
supporting_text: "transport from the cell surface to early endosomes and
from early endosomes to late endosomes/lysosomes"
- term:
id: GO:0098978
label: glutamatergic synapse
evidence_type: IDA
original_reference_id: PMID:24217640
qualifier: is_active_in
review:
summary: >-
SynGO annotation placing Rab7 at glutamatergic synapses in AMPA-receptor
trafficking.
action: KEEP_AS_NON_CORE
reason: >-
The source is a hippocampal LTD/AMPAR-trafficking study, so the
glutamatergic-synapse context is biologically plausible for the SynGO
annotation. It is not a core Rab7 localization, and the accessible text
does not provide direct Rab7 localization or perturbation evidence, so
retain only as a context-specific neuronal annotation.
supported_by:
- reference_id: PMID:24217640
supporting_text: "necessary for low-frequency stimulus-evoked LTD in CA1
hippocampal neurons"
- term:
id: GO:0098978
label: glutamatergic synapse
evidence_type: IMP
original_reference_id: PMID:24217640
qualifier: is_active_in
review:
summary: >-
SynGO IMP annotation for Rab7 functional role at glutamatergic synapses
(LTD).
action: KEEP_AS_NON_CORE
reason: >-
The PMID supports postsynaptic AMPA-receptor trafficking during LTD in
hippocampal neurons, but the accessible text centers on stargazin and
adaptor complexes rather than Rab7-specific evidence. Retain the SynGO
row as a non-core neuronal-context annotation and avoid using it as a
primary assertion about Rab7 function.
supported_by:
- reference_id: PMID:24217640
supporting_text: "postsynaptic AMPA receptor trafficking mediates LTD"
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:35353806
qualifier: located_in
review:
summary: >-
Rab7 on late endosomes in a study of TMED2/SMO trafficking, by
super-resolution 3D-STORM imaging.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
supported_by:
- reference_id: PMID:35353806
supporting_text: "Dual color 3D-STORM analysis showing ERP72 (C), RCAS1 (D) and RAB7 (E) distribution"
- term:
id: GO:0005765
label: lysosomal membrane
evidence_type: IDA
original_reference_id: PMID:23708524
qualifier: colocalizes_with
review:
summary: >-
Rab7 colocalizes with lysosomal membranes during autolysosomal lipid
degradation in adipocytes.
action: ACCEPT
reason: >-
Core localization, experimentally supported in mouse.
supported_by:
- reference_id: PMID:23708524
supporting_text: "RAB7 plays a pivotal role in the regulation of this autolysosome-mediated lipid degradation in fat cells."
- term:
id: GO:0005829
label: cytosol
evidence_type: IDA
original_reference_id: PMID:23708524
qualifier: located_in
review:
summary: >-
Inactive GDP-bound Rab7 is cytosolic; observed in the lipolysis/lipophagy
study.
action: ACCEPT
reason: >-
Consistent with the GTPase cycle (cytosolic GDP-bound pool).
- term:
id: GO:0005515
label: protein binding
evidence_type: IPI
original_reference_id: PMID:29712939
qualifier: enables
review:
summary: >-
Interaction supporting V-ATPase a3-dependent Rab7 recruitment to secretory
lysosomes.
action: REMOVE
reason: >-
GO:0005515 protein binding is uninformative; the functional relationship is
captured by recruitment/localization terms.
supported_by:
- reference_id: PMID:29712939
supporting_text: "Rab7, a small GTPase involved in organelle trafficking."
- term:
id: GO:0005739
label: mitochondrion
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: located_in
review:
summary: >-
Mitochondrial association by sequence similarity (mitophagy context).
action: KEEP_AS_NON_CORE
reason: >-
Context-dependent localization, not constitutive.
- term:
id: GO:0099638
label: endosome to plasma membrane protein transport
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: involved_in
review:
summary: >-
Rab7 influence on plasma-membrane-directed cargo transport by sequence
similarity.
action: KEEP_AS_NON_CORE
reason: >-
Secondary function relative to the core degradative role.
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:27390154
qualifier: located_in
review:
summary: >-
Rab7 used as the late endosomal marker in a melanocyte WASH/strumpellin
colocalization study.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
supported_by:
- reference_id: PMID:27390154
supporting_text: "a significant increase in the colocalization of WASH and the late endosomal marker Rab7"
- term:
id: GO:0005764
label: lysosome
evidence_type: IDA
original_reference_id: PMID:29712939
qualifier: is_active_in
review:
summary: >-
Active Rab7 functions on (secretory) lysosomes, recruited in a V-ATPase
a3-dependent manner.
action: ACCEPT
reason: >-
Core site of action, experimentally supported in mouse.
supported_by:
- reference_id: PMID:29712939
supporting_text: "Essential Role of the a3 Isoform of V-ATPase in Secretory Lysosome Trafficking via Rab7 Recruitment."
- term:
id: GO:0051650
label: establishment of vesicle localization
evidence_type: IMP
original_reference_id: PMID:29712939
qualifier: acts_upstream_of_or_within_positive_effect
review:
summary: >-
Rab7 recruitment is required for proper trafficking/positioning of secretory
lysosomes (V-ATPase a3-dependent).
action: ACCEPT
reason: >-
Consistent with the established Rab7 role in vesicle/organelle positioning.
supported_by:
- reference_id: PMID:29712939
supporting_text: "Essential Role of the a3 Isoform of V-ATPase in Secretory Lysosome Trafficking via Rab7 Recruitment."
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:25592972
qualifier: located_in
review:
summary: >-
Rab7 used as a late-endosome marker in subcellular fractionation in a study
of BACE1 lysosomal targeting.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
supported_by:
- reference_id: PMID:25592972
supporting_text: "immunoblotted for BACE1, APP, rab5, or rab7"
- term:
id: GO:0005515
label: protein binding
evidence_type: IPI
original_reference_id: PMID:27777970
qualifier: enables
review:
summary: >-
Rab7 binds the PLEKHM1/DEF8 lysosome-positioning effector complex.
action: REMOVE
reason: >-
GO:0005515 protein binding is uninformative. PLEKHM1 is a well-characterized
Rab7 effector; the function is captured by lysosome positioning/trafficking
terms.
supported_by:
- reference_id: PMID:27777970
supporting_text: "PLEKHM1 binds to RAB7 and is critical for lysosome trafficking."
- term:
id: GO:0005768
label: endosome
evidence_type: IDA
original_reference_id: PMID:26582200
qualifier: located_in
review:
summary: >-
Rab7 on endosomes in a study of Lifeguard/Fas signaling.
action: ACCEPT
reason: >-
Accurate, though general; more specific late endosome terms are also
annotated.
- term:
id: GO:0005811
label: lipid droplet
evidence_type: IDA
original_reference_id: PMID:23708524
qualifier: located_in
review:
summary: >-
Rab7 localizes to lipid droplets and the LD-associated pool drives their
autophagic degradation during beta-adrenergic lipolysis in mouse adipocytes.
action: ACCEPT
reason: >-
Experimentally supported localization underpinning the lipophagy function.
supported_by:
- reference_id: PMID:23708524
supporting_text: "ADRB2 stimulation has caused a marked increase in the autophagy-targeted LDs for lysosomal degradation, which is dependent on the LD-associated RAB7"
- term:
id: GO:0031902
label: late endosome membrane
evidence_type: IDA
original_reference_id: PMID:23708524
qualifier: located_in
review:
summary: >-
Rab7 on late endosome membranes in the adipocyte lipolysis/lipophagy study.
action: ACCEPT
reason: >-
Core localization, experimentally supported.
supported_by:
- reference_id: PMID:23708524
supporting_text: "RAB7, being primarily associated with late endosomes, is
a central factor in endosomal trafficking"
- term:
id: GO:0061724
label: lipophagy
evidence_type: IMP
original_reference_id: PMID:23708524
qualifier: involved_in
review:
summary: >-
Rab7 is required for autolysosome-mediated lipid-droplet degradation
(lipophagy) in fat cells, shown by knockdown and dominant-negative mutant.
action: ACCEPT
reason: >-
Directly demonstrated mouse function; a specialized branch of the core
autophagy role.
supported_by:
- reference_id: PMID:23708524
supporting_text: "RAB7 plays a pivotal role in the regulation of this autolysosome-mediated lipid degradation in fat cells."
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:24760869
qualifier: located_in
review:
summary: >-
Rab7 on late endosomes in a study of Nedd4-2/TrkA trafficking.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
- term:
id: GO:0034045
label: phagophore assembly site membrane
evidence_type: IDA
original_reference_id: PMID:19956673
qualifier: located_in
review:
summary: >-
Rab7 at the phagophore assembly site during formation of GAS-containing
autophagosome-like vacuoles (GcAVs).
action: ACCEPT
reason: >-
Consistent with the Rab7 role in autophagy.
supported_by:
- reference_id: PMID:19956673
supporting_text: "Rab7, a member of the small GTPase Rab family, may be involved in GcAV formation"
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:24334765
qualifier: located_in
review:
summary: >-
Rab7 on late endosomes in a study of TMEM127 endolysosomal function.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
- term:
id: GO:0005515
label: protein binding
evidence_type: IPI
original_reference_id: PMID:22467241
qualifier: enables
review:
summary: >-
Rab7 interaction in the context of ATP6AP1/Ac45 and osteoclast lysosomal
trafficking.
action: REMOVE
reason: >-
GO:0005515 protein binding is uninformative; the relevant function is
lysosomal trafficking in osteoclasts.
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:24035762
qualifier: located_in
review:
summary: >-
Rab7 used as a late-endosome marker (co-staining with NHE6) in a study of
TrkB endosomal signaling.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
supported_by:
- reference_id: PMID:24035762
supporting_text: "Rab7-associated endosomes (late endosomes)"
- term:
id: GO:0005515
label: protein binding
evidence_type: IPI
original_reference_id: PMID:24549040
qualifier: enables
review:
summary: >-
Rab7 interaction in the context of C9ORF72 endosomal trafficking.
action: REMOVE
reason: >-
GO:0005515 protein binding is uninformative; C9ORF72 regulates Rab-mediated
endosomal trafficking, captured by trafficking terms.
- term:
id: GO:0005515
label: protein binding
evidence_type: IPI
original_reference_id: PMID:22275436
qualifier: enables
review:
summary: >-
Rab7 interaction in melanoregulin/RILP-p150Glued retrograde melanosome
transport.
action: REMOVE
reason: >-
GO:0005515 protein binding is uninformative; the RILP effector axis is
captured by trafficking/transport terms.
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:23028046
qualifier: located_in
review:
summary: >-
Rab7 on late endosomes in a macrophage anthrax-toxin/MLN64 study.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
- term:
id: GO:0005737
label: cytoplasm
evidence_type: IDA
original_reference_id: PMID:18656450
qualifier: located_in
review:
summary: >-
Cytoplasmic localization observed in a cGKII/Rab11 trafficking study.
action: ACCEPT
reason: >-
Accurate but general; the cytosol and specific vesicular compartments are
more informative and also annotated.
- term:
id: GO:0045335
label: phagocytic vesicle
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: located_in
review:
summary: >-
Phagocytic vesicle localization by sequence similarity.
action: ACCEPT
reason: >-
Consistent with the phagosome maturation function.
- term:
id: GO:0090383
label: phagosome acidification
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: involved_in
review:
summary: >-
Phagosome acidification by sequence similarity.
action: ACCEPT
reason: >-
Part of the core phagosome maturation function.
- term:
id: GO:0090385
label: phagosome-lysosome fusion
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: involved_in
review:
summary: >-
Phagosome-lysosome fusion by sequence similarity.
action: ACCEPT
reason: >-
Core function in phagolysosome formation.
- term:
id: GO:0005515
label: protein binding
evidence_type: IPI
original_reference_id: PMID:19368996
qualifier: enables
review:
summary: >-
Rab7 interaction in a study of the drs tumor suppressor in autophagy
maturation.
action: REMOVE
reason: >-
GO:0005515 protein binding is uninformative; the autophagy maturation role
is captured by autophagy terms.
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:19509052
qualifier: located_in
review:
summary: >-
Rab7 on late endosomes in a Derlin membrane-protein accumulation study.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
- term:
id: GO:0045022
label: early endosome to late endosome transport
evidence_type: ISS
original_reference_id: GO_REF:0000024
qualifier: involved_in
review:
summary: >-
Early-to-late endosome transport by sequence similarity (Rab5-to-Rab7
conversion).
action: ACCEPT
reason: >-
Core function in endosomal maturation.
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:20943658
qualifier: located_in
review:
summary: >-
Rab7 marks the late endosomes to which Nmnat2 localizes.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
supported_by:
- reference_id: PMID:20943658
supporting_text: "Nmnat2 localizes to Rab7-containing late endosomes"
- term:
id: GO:0005515
label: protein binding
evidence_type: IPI
original_reference_id: PMID:12972561
qualifier: enables
review:
summary: >-
Identification of Rabring7 (BCA2/RNF115) as a Rab7 target protein with a
RING finger motif.
action: REMOVE
reason: >-
GO:0005515 protein binding is uninformative; this is a specific effector
interaction whose function is better captured by other terms.
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:15588329
qualifier: located_in
review:
summary: >-
Rab7 used as the late endosomal marker in a juvenile neuronal ceroid
lipofuscinosis cerebellar cell model.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
supported_by:
- reference_id: PMID:15588329
supporting_text: "the late endosomal marker, Rab7"
- term:
id: GO:0005764
label: lysosome
evidence_type: ISO
original_reference_id: PMID:15078902
qualifier: located_in
review:
summary: >-
Lysosome localization transferred from the retromer ortholog study, where
the retromer subunit VPS26 colocalizes with Rab7.
action: ACCEPT
reason: >-
Core localization.
supported_by:
- reference_id: PMID:15078902
supporting_text: "modest colocalization between mVPS26 and GFP-rab7"
- term:
id: GO:0005770
label: late endosome
evidence_type: ISO
original_reference_id: PMID:15078902
qualifier: located_in
review:
summary: >-
Late endosome localization transferred from the retromer ortholog study,
where the retromer subunit VPS26 colocalizes with Rab7.
action: ACCEPT
reason: >-
Core localization.
supported_by:
- reference_id: PMID:15078902
supporting_text: "modest colocalization between mVPS26 and GFP-rab7"
- term:
id: GO:0005770
label: late endosome
evidence_type: IDA
original_reference_id: PMID:11172003
qualifier: located_in
review:
summary: >-
Rab7 on late endosomes in a study of the Rab4 effector Rabip4.
action: ACCEPT
reason: >-
Core localization, experimentally observed.
- term:
id: GO:0006886
label: intracellular protein transport
evidence_type: TAS
original_reference_id: PMID:11042173
qualifier: acts_upstream_of_or_within
review:
summary: >-
Rab7 general role in intracellular protein transport, from a Golgi membrane
proteomics paper.
action: KEEP_AS_NON_CORE
reason: >-
Too general; the specific endosome-to-lysosome and retrograde transport
terms capture the actual function more precisely.
- term:
id: GO:0005794
label: Golgi apparatus
evidence_type: IDA
original_reference_id: PMID:11042173
qualifier: located_in
review:
summary: >-
Rab7 detected in a bulk proteomic characterization of abundant Golgi
membrane proteins.
action: MARK_AS_OVER_ANNOTATED
reason: >-
Rab7 is a late-endosome/lysosome GTPase; detection in a Golgi membrane
fraction most plausibly reflects co-fractionation/contamination or transient
retrograde-pathway association rather than a genuine steady-state Golgi pool.
Not a core localization.
core_functions:
- molecular_function:
id: GO:0003924
label: GTPase activity
description: >-
Rab7 functions as a small GTPase molecular switch (EC 3.6.5.2), cycling
between an inactive GDP-bound (cytosolic) and an active GTP-bound
(membrane-associated) state. Activation by the Mon1-Ccz1 GEF on maturing
endosomes and inactivation by TBC-domain GAPs underpins its control of late
endocytic trafficking, autophagy (including lipophagy), phagosome
maturation and lysosome biogenesis.
directly_involved_in:
- id: GO:0008333
label: endosome to lysosome transport
- id: GO:0045022
label: early endosome to late endosome transport
- id: GO:0042147
label: retrograde transport, endosome to Golgi
- id: GO:0090385
label: phagosome-lysosome fusion
- id: GO:0061724
label: lipophagy
locations:
- id: GO:0005770
label: late endosome
- id: GO:0005764
label: lysosome
- id: GO:0031902
label: late endosome membrane
- id: GO:0000421
label: autophagosome membrane
- id: GO:0005811
label: lipid droplet
supported_by:
- reference_id: PMID:16855591
supporting_text: "TBC-domain GAPs for Rab GTPases accelerate GTP hydrolysis by a dual-finger mechanism."
- reference_id: PMID:41814093
supporting_text: "Loss of Rab7, a mediator of late endosomal maturation, increased LNP escape."
- reference_id: PMID:23708524
supporting_text: "RAB7 plays a pivotal role in the regulation of this autolysosome-mediated lipid degradation in fat cells."
- molecular_function:
id: GO:1905394
label: retromer complex binding
description: >-
Active Rab7 recruits and binds the retromer complex on late endosomes,
docking it to the membrane to drive cargo-selective endosome-to-Golgi
retrograde transport.
directly_involved_in:
- id: GO:0042147
label: retrograde transport, endosome to Golgi
- id: GO:0022615
label: protein to membrane docking
locations:
- id: GO:0005770
label: late endosome
proposed_new_terms: []
suggested_questions:
- question: >-
The Nature Biotechnology study (PMID:41814093) shows that loss of Rab7
increases cytosolic escape of lipid nanoparticles in mouse liver. Does Rab7
activity define a general, druggable checkpoint that partitions endocytosed
cargo between degradation and cytosolic escape, and can transient Rab7
modulation be exploited to enhance therapeutic nucleic-acid delivery?
- question: >-
How are the tissue-specialized Rab7 functions (adipocyte lipophagy,
synaptic AMPA-receptor turnover, osteoclast ruffled-border trafficking)
differentially wired through distinct effectors despite a single ubiquitous
GTPase switch?
suggested_experiments:
- description: >-
Use the LysoTag/Lysosomal Barcoding in vivo endosomal-escape assay
(PMID:41814093) across conditional Rab7 (Rab7a) knockout tissues to quantify,
in a tissue-resolved manner, how Rab7 loss shifts the balance between
lysosomal degradation and cytosolic escape of endocytosed cargo.
- description: >-
Effector-interaction profiling (proximity labeling) of mouse Rab7 in
adipocytes, neurons and osteoclasts to map the cell-type-specific effector
modules that route the common Rab7 switch to lipophagy, synaptic receptor
degradation and ruffled-border trafficking, respectively.
references:
- id: GO_REF:0000002
title: Gene Ontology annotation through association of InterPro records with GO
terms
findings: []
- id: GO_REF:0000003
title: Gene Ontology annotation based on Enzyme Commission mapping
findings: []
- id: GO_REF:0000024
title: Manual transfer of experimentally-verified manual GO annotation data to
orthologs by curator judgment of sequence similarity
findings: []
- id: GO_REF:0000033
title: Annotation inferences using phylogenetic trees
findings: []
- id: GO_REF:0000044
title: Gene Ontology annotation based on UniProtKB/Swiss-Prot Subcellular Location
vocabulary mapping, accompanied by conservative changes to GO terms applied by
UniProt
findings: []
- id: GO_REF:0000096
title: Automated transfer of experimentally-verified manual GO annotation data to
mouse-rat orthologs
findings: []
- id: GO_REF:0000117
title: Electronic Gene Ontology annotations created by ARBA machine learning models
findings: []
- id: GO_REF:0000119
title: Automated transfer of experimentally-verified manual GO annotation data to
mouse-human orthologs
findings: []
- id: PMID:11042173
title: Proteomics characterization of abundant Golgi membrane proteins.
findings:
- statement: Rab7 was detected in a bulk proteomic fraction of Golgi membranes
supporting_text: "Proteomics characterization of abundant Golgi membrane proteins."
- id: PMID:11172003
title: A FYVE-finger-containing protein, Rabip4, is a Rab4 effector involved in
early endosomal traffic.
findings: []
- id: PMID:12972561
title: Rabring7, a novel Rab7 target protein with a RING finger motif.
findings: []
- id: PMID:15078902
title: Cargo-selective endosomal sorting for retrieval to the Golgi requires retromer.
findings: []
- id: PMID:15588329
title: Membrane trafficking and mitochondrial abnormalities precede subunit c deposition
in a cerebellar cell model of juvenile neuronal ceroid lipofuscinosis.
findings: []
- id: PMID:16855591
title: TBC-domain GAPs for Rab GTPases accelerate GTP hydrolysis by a dual-finger
mechanism.
findings:
- statement: TBC-domain GAPs accelerate Rab7 GTP hydrolysis
supporting_text: "TBC-domain GAPs for Rab GTPases accelerate GTP hydrolysis by a dual-finger mechanism."
- id: PMID:18656450
title: Trafficking of cGMP-dependent protein kinase II via interaction with Rab11.
findings: []
- id: PMID:19368996
title: The drs tumor suppressor is involved in the maturation process of autophagy
induced by low serum.
findings: []
- id: PMID:19509052
title: Derlin-dependent accumulation of integral membrane proteins at cell surfaces.
findings: []
- id: PMID:19956673
title: An initial step of GAS-containing autophagosome-like vacuoles formation requires
Rab7.
findings: []
- id: PMID:20943658
title: Expression, localization, and biochemical characterization of nicotinamide
mononucleotide adenylyltransferase 2.
findings: []
- id: PMID:22275436
title: Melanoregulin regulates retrograde melanosome transport through interaction
with the RILP-p150Glued complex in melanocytes.
findings: []
- id: PMID:22467241
title: V-ATPase subunit ATP6AP1 (Ac45) regulates osteoclast differentiation, extracellular
acidification, lysosomal trafficking, and protease exocytosis in osteoclast-mediated
bone resorption.
findings: []
- id: PMID:23028046
title: Cellular adaptation to anthrax lethal toxin-induced mitochondrial cholesterol
enrichment, hyperpolarization, and reactive oxygen species generation through
downregulating MLN64 in macrophages.
findings: []
- id: PMID:23179371
title: Charcot-Marie-Tooth type 2B disease-causing RAB7A mutant proteins show altered
interaction with the neuronal intermediate filament peripherin.
findings: []
- id: PMID:23708524
title: β-adrenergic receptor-stimulated lipolysis requires the RAB7-mediated autolysosomal
lipid degradation.
findings:
- statement: Rab7 is required for lipophagy of lipid droplets in fat cells
supporting_text: "RAB7 plays a pivotal role in the regulation of this autolysosome-mediated lipid degradation in fat cells."
- statement: LD-associated Rab7 mediates autophagic targeting of lipid droplets
supporting_text: "ADRB2 stimulation has caused a marked increase in the autophagy-targeted LDs for lysosomal degradation, which is dependent on the LD-associated RAB7"
- id: PMID:24035762
title: Christianson syndrome protein NHE6 modulates TrkB endosomal signaling required
for neuronal circuit development.
findings: []
- id: PMID:24217640
title: Stargazin regulates AMPA receptor trafficking through adaptor protein complexes
during long-term depression.
findings: []
- id: PMID:24334765
title: The tumor susceptibility gene TMEM127 is mutated in renal cell carcinomas
and modulates endolysosomal function.
findings: []
- id: PMID:24549040
title: C9ORF72, implicated in amytrophic lateral sclerosis and frontotemporal dementia,
regulates endosomal trafficking.
findings: []
- id: PMID:24760869
title: In vivo regulation of NGF-mediated functions by Nedd4-2 ubiquitination of
TrkA.
findings: []
- id: PMID:25592972
title: An aberrant sugar modification of BACE1 blocks its lysosomal targeting in
Alzheimer's disease.
findings: []
- id: PMID:26582200
title: Lifeguard Inhibits Fas Ligand-mediated Endoplasmic Reticulum-Calcium Release
Mandatory for Apoptosis in Type II Apoptotic Cells.
findings: []
- id: PMID:27390154
title: Loss of strumpellin in the melanocytic lineage impairs the WASH Complex but
does not affect coat colour.
findings: []
- id: PMID:27777970
title: PLEKHM1/DEF8/RAB7 complex regulates lysosome positioning and bone homeostasis.
findings:
- statement: PLEKHM1 binds Rab7 and is critical for lysosome trafficking
supporting_text: "PLEKHM1 binds to RAB7 and is critical for lysosome trafficking."
- id: PMID:28063257
title: Genetic screen in Drosophila muscle identifies autophagy-mediated T-tubule
remodeling and a Rab2 role in autophagy.
findings: []
- id: PMID:29712939
title: Essential Role of the a3 Isoform of V-ATPase in Secretory Lysosome Trafficking
via Rab7 Recruitment.
findings:
- statement: Rab7 is a small GTPase involved in organelle trafficking, recruited
to secretory lysosomes in a V-ATPase a3-dependent manner
supporting_text: "Rab7, a small GTPase involved in organelle trafficking."
- id: PMID:35353806
title: TMED2 binding restricts SMO to the ER and Golgi compartments.
findings: []
- id: PMID:38744829
title: RUFY4 deletion prevents pathological bone loss by blocking endo-lysosomal
trafficking of osteoclasts.
findings:
- statement: RUFY4 is an effector of small GTPases including Rab7
supporting_text: "Recent studies have shown that RUFY4 is an effector of small GTPases such as Rab7"
- statement: Rab7 is enriched at the osteoclast ruffled border and required for
bone resorption
supporting_text: "Notably, Rab7 is highly expressed at the ruffled border of bone-resorbing osteoclasts and its knockdown disrupts both the targeting of vesicles to the ruffled border and bone resorption."
- id: PMID:41814093
title: In vivo endosomal escape assay identifies mechanisms for efficient hepatic
LNP delivery.
findings:
- statement: Rab7 is a mediator of late endosomal maturation; its loss increases
cytosolic escape of lipid nanoparticles in mouse liver
supporting_text: "Loss of Rab7, a mediator of late endosomal maturation, increased LNP escape."
- statement: LysoTag mice enable immunoisolation of liver lysosomes to quantify
in vivo endosomal escape
supporting_text: "we used LysoTag mice, which allow immunoisolation of liver lysosomes"
- id: file:mouse/Rab7/Rab7-deep-research-manual.md
title: Manual research synthesis for mouse Rab7 (deep-research providers unavailable)
findings: []