K9J2R0

UniProt ID: K9J2R0
Organism: Desmodus rotundus
Review Status: INITIALIZED
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Gene Description

TODO: Add description for K9J2R0

Existing Annotations Review

GO Term Evidence Action Reason
GO:0005886 plasma membrane
IEA
GO_REF:0000118
ACCEPT
Summary: Plasma membrane localization is supported by UniProt subcellular location annotations.
Reason: UniProt lists apical cell membrane and other membrane localizations.
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"SUBCELLULAR LOCATION: Apical cell membrane"
GO:0004177 aminopeptidase activity
IEA
GO_REF:0000043
MODIFY
Summary: Aminopeptidase activity is a broad parent term; dipeptidyl-peptidase activity is the specific function.
Reason: Use the specific dipeptidyl-peptidase activity term supported by UniProt catalytic description.
Proposed replacements: dipeptidyl-peptidase activity
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Reaction=Release of an N-terminal dipeptide"
GO:0004252 serine-type endopeptidase activity
IEA
GO_REF:0000002
MODIFY
Summary: Serine-type endopeptidase activity is too general; the specific dipeptidyl-peptidase activity is appropriate.
Reason: DPP4 is a dipeptidyl peptidase (EC 3.4.14.5).
Proposed replacements: dipeptidyl-peptidase activity
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Reaction=Release of an N-terminal dipeptide"
GO:0005576 extracellular region
IEA
GO_REF:0000044
KEEP AS NON CORE
Summary: Secretion is noted, so extracellular region is defensible, but the main localization is membrane.
Reason: UniProt notes a secreted form, so extracellular region is defensible, but the main localization is membrane/apical membrane. GO has since obsoleted GO:0005615 extracellular space, the replacement previously proposed here, and merged it into GO:0005576 (replaced_by), so this term is now the correct location term.
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Secreted"
GO:0006508 proteolysis
IEA
GO_REF:0000120
MODIFY
Summary: Proteolysis is a broad parent term; dipeptidyl-peptidase activity is more specific.
Reason: Use the specific dipeptidyl-peptidase activity term.
Proposed replacements: dipeptidyl-peptidase activity
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Reaction=Release of an N-terminal dipeptide"
GO:0007155 cell adhesion
IEA
GO_REF:0000043
MARK AS OVER ANNOTATED
Summary: Cell adhesion is an inferred keyword-based annotation without direct evidence in DESRO.
Reason: No direct experimental evidence for cell adhesion function in DESRO DPP4.
GO:0008233 peptidase activity
IEA
GO_REF:0000043
MODIFY
Summary: Peptidase activity is a broad parent term; dipeptidyl-peptidase activity is more specific.
Reason: Use the specific dipeptidyl-peptidase activity term.
Proposed replacements: dipeptidyl-peptidase activity
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Reaction=Release of an N-terminal dipeptide"
GO:0008236 serine-type peptidase activity
IEA
GO_REF:0000120
MODIFY
Summary: Serine-type peptidase activity is too general; DPP4 is a dipeptidyl peptidase.
Reason: Use the specific dipeptidyl-peptidase activity term.
Proposed replacements: dipeptidyl-peptidase activity
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Reaction=Release of an N-terminal dipeptide"
GO:0008239 dipeptidyl-peptidase activity
IEA
GO_REF:0000120
ACCEPT
Summary: UniProt catalytic description supports dipeptidyl-peptidase activity.
Reason: UniProt describes DPP4 reaction releasing N-terminal dipeptides.
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Reaction=Release of an N-terminal dipeptide"
GO:0016324 apical plasma membrane
IEA
GO_REF:0000044
ACCEPT
Summary: Apical plasma membrane localization is supported by UniProt subcellular location.
Reason: UniProt lists apical cell membrane localization.
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"SUBCELLULAR LOCATION: Apical cell membrane"
GO:0016787 hydrolase activity
IEA
GO_REF:0000043
MODIFY
Summary: Hydrolase activity is too general; dipeptidyl-peptidase activity is more specific.
Reason: Use the specific dipeptidyl-peptidase activity term.
Proposed replacements: dipeptidyl-peptidase activity
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Reaction=Release of an N-terminal dipeptide"
GO:0031258 lamellipodium membrane
IEA
GO_REF:0000044
ACCEPT
Summary: Lamellipodium membrane localization is listed in UniProt subcellular location.
Reason: UniProt subcellular location includes lamellipodium membrane.
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Cell projection, lamellipodium membrane"
GO:0042995 cell projection
IEA
GO_REF:0000044
MODIFY
Summary: Cell projection is a broad parent term; lamellipodium membrane provides specific localization.
Reason: Use lamellipodium membrane instead of the general cell projection term.
Proposed replacements: lamellipodium membrane
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Cell projection, lamellipodium membrane"
GO:0045121 membrane raft
IEA
GO_REF:0000044
ACCEPT
Summary: Membrane raft localization is listed in UniProt subcellular location.
Reason: UniProt subcellular location includes membrane raft.
Supporting Evidence:
file:DESRO/K9J2R0/K9J2R0-uniprot.txt
"Membrane raft"

References

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Deep Research

Falcon

(K9J2R0-deep-research-falcon.md)

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πŸ“š Additional Documentation

Notes

(K9J2R0-notes.md)

K9J2R0 Research Notes

Key findings

  • UniProt names this protein Dipeptidyl peptidase 4 [file:DESRO/K9J2R0/K9J2R0-uniprot.txt "RecName: Full=Dipeptidyl peptidase 4"].
  • UniProt indicates apical cell membrane localization [file:DESRO/K9J2R0/K9J2R0-uniprot.txt "SUBCELLULAR LOCATION: Apical cell membrane"].
  • Deep research confirms K9J2R0 as the DPP4/CD26 ortholog in vampire bat [file:DESRO/K9J2R0/K9J2R0-deep-research-falcon.md "Verified identity: K9J2R0 is the Desmodus rotundus ortholog of dipeptidyl peptidase-4 (DPP4/CD26)"]
  • UniProt assigns this protein to the peptidase S9B family [file:DESRO/K9J2R0/K9J2R0-uniprot.txt "Belongs to the peptidase S9B family. DPPIV subfamily."].

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