ID VATO_HUMAN Reviewed; 205 AA. AC Q99437; D3DPY5; Q6IB32; DT 15-JUL-1999, integrated into UniProtKB/Swiss-Prot. DT 01-MAY-1997, sequence version 1. DT 18-JUN-2025, entry version 199. DE RecName: Full=V-type proton ATPase 21 kDa proteolipid subunit c'' {ECO:0000305}; DE Short=V-ATPase 21 kDa proteolipid subunit c'' {ECO:0000305}; DE AltName: Full=Vacuolar proton pump 21 kDa proteolipid subunit c'' {ECO:0000305}; DE AltName: Full=hATPL; GN Name=ATP6V0B; Synonyms=ATP6F; OS Homo sapiens (Human). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; OC Homo. OX NCBI_TaxID=9606; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1). RC TISSUE=Kidney; RX PubMed=9653649; DOI=10.1006/geno.1998.5310; RA Nishigori H., Yamada S., Tomura H., Fernald A.A., le Beau M.M., RA Takeuchi T., Takeda J.; RT "Identification and characterization of the gene encoding a second RT proteolipid subunit of human vacuolar H(+)-ATPase (ATP6F)."; RL Genomics 50:222-228(1998). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). RA Kalnine N., Chen X., Rolfs A., Halleck A., Hines L., Eisenstein S., RA Koundinya M., Raphael J., Moreira D., Kelley T., LaBaer J., Lin Y., RA Phelan M., Farmer A.; RT "Cloning of human full-length CDSs in BD Creator(TM) system donor vector."; RL Submitted (MAY-2003) to the EMBL/GenBank/DDBJ databases. RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). RA Ebert L., Schick M., Neubert P., Schatten R., Henze S., Korn B.; RT "Cloning of human full open reading frames in Gateway(TM) system entry RT vector (pDONR201)."; RL Submitted (JUN-2004) to the EMBL/GenBank/DDBJ databases. RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RX PubMed=16710414; DOI=10.1038/nature04727; RA Gregory S.G., Barlow K.F., McLay K.E., Kaul R., Swarbreck D., Dunham A., RA Scott C.E., Howe K.L., Woodfine K., Spencer C.C.A., Jones M.C., Gillson C., RA Searle S., Zhou Y., Kokocinski F., McDonald L., Evans R., Phillips K., RA Atkinson A., Cooper R., Jones C., Hall R.E., Andrews T.D., Lloyd C., RA Ainscough R., Almeida J.P., Ambrose K.D., Anderson F., Andrew R.W., RA Ashwell R.I.S., Aubin K., Babbage A.K., Bagguley C.L., Bailey J., RA Beasley H., Bethel G., Bird C.P., Bray-Allen S., Brown J.Y., Brown A.J., RA Buckley D., Burton J., Bye J., Carder C., Chapman J.C., Clark S.Y., RA Clarke G., Clee C., Cobley V., Collier R.E., Corby N., Coville G.J., RA Davies J., Deadman R., Dunn M., Earthrowl M., Ellington A.G., Errington H., RA Frankish A., Frankland J., French L., Garner P., Garnett J., Gay L., RA Ghori M.R.J., Gibson R., Gilby L.M., Gillett W., Glithero R.J., RA Grafham D.V., Griffiths C., Griffiths-Jones S., Grocock R., Hammond S., RA Harrison E.S.I., Hart E., Haugen E., Heath P.D., Holmes S., Holt K., RA Howden P.J., Hunt A.R., Hunt S.E., Hunter G., Isherwood J., James R., RA Johnson C., Johnson D., Joy A., Kay M., Kershaw J.K., Kibukawa M., RA Kimberley A.M., King A., Knights A.J., Lad H., Laird G., Lawlor S., RA Leongamornlert D.A., Lloyd D.M., Loveland J., Lovell J., Lush M.J., RA Lyne R., Martin S., Mashreghi-Mohammadi M., Matthews L., Matthews N.S.W., RA McLaren S., Milne S., Mistry S., Moore M.J.F., Nickerson T., O'Dell C.N., RA Oliver K., Palmeiri A., Palmer S.A., Parker A., Patel D., Pearce A.V., RA Peck A.I., Pelan S., Phelps K., Phillimore B.J., Plumb R., Rajan J., RA Raymond C., Rouse G., Saenphimmachak C., Sehra H.K., Sheridan E., RA Shownkeen R., Sims S., Skuce C.D., Smith M., Steward C., Subramanian S., RA Sycamore N., Tracey A., Tromans A., Van Helmond Z., Wall M., Wallis J.M., RA White S., Whitehead S.L., Wilkinson J.E., Willey D.L., Williams H., RA Wilming L., Wray P.W., Wu Z., Coulson A., Vaudin M., Sulston J.E., RA Durbin R.M., Hubbard T., Wooster R., Dunham I., Carter N.P., McVean G., RA Ross M.T., Harrow J., Olson M.V., Beck S., Rogers J., Bentley D.R.; RT "The DNA sequence and biological annotation of human chromosome 1."; RL Nature 441:315-321(2006). RN [5] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RA Mural R.J., Istrail S., Sutton G., Florea L., Halpern A.L., Mobarry C.M., RA Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J., RA Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S., RA Turner R., Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H., RA Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K., RA Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D., RA Hunkapiller M.W., Myers E.W., Venter J.C.; RL Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases. RN [6] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). RC TISSUE=Muscle; RX PubMed=15489334; DOI=10.1101/gr.2596504; RG The MGC Project Team; RT "The status, quality, and expansion of the NIH full-length cDNA project: RT the Mammalian Gene Collection (MGC)."; RL Genome Res. 14:2121-2127(2004). RN [7] {ECO:0007744|PDB:6WLW, ECO:0007744|PDB:6WM2, ECO:0007744|PDB:6WM3, ECO:0007744|PDB:6WM4} RP STRUCTURE BY ELECTRON MICROSCOPY (3.00 ANGSTROMS), FUNCTION, AND RP IDENTIFICATION IN THE V-ATPASE COMPLEX. RX PubMed=33065002; DOI=10.1016/j.molcel.2020.09.029; RA Wang L., Wu D., Robinson C.V., Wu H., Fu T.M.; RT "Structures of a Complete Human V-ATPase Reveal Mechanisms of Its RT Assembly."; RL Mol. Cell 80:501-511.e3(2020). RN [8] RP VARIANT [LARGE SCALE ANALYSIS] MET-155. RX PubMed=16959974; DOI=10.1126/science.1133427; RA Sjoeblom T., Jones S., Wood L.D., Parsons D.W., Lin J., Barber T.D., RA Mandelker D., Leary R.J., Ptak J., Silliman N., Szabo S., Buckhaults P., RA Farrell C., Meeh P., Markowitz S.D., Willis J., Dawson D., Willson J.K.V., RA Gazdar A.F., Hartigan J., Wu L., Liu C., Parmigiani G., Park B.H., RA Bachman K.E., Papadopoulos N., Vogelstein B., Kinzler K.W., RA Velculescu V.E.; RT "The consensus coding sequences of human breast and colorectal cancers."; RL Science 314:268-274(2006). CC -!- FUNCTION: Proton-conducting pore forming subunit of the V0 complex of CC vacuolar(H+)-ATPase (V-ATPase), a multisubunit enzyme composed of a CC peripheral complex (V1) that hydrolyzes ATP and a membrane integral CC complex (V0) that translocates protons (PubMed:33065002). V-ATPase is CC responsible for acidifying and maintaining the pH of intracellular CC compartments and in some cell types, is targeted to the plasma CC membrane, where it is responsible for acidifying the extracellular CC environment (By similarity). {ECO:0000250|UniProtKB:Q2TA24, CC ECO:0000269|PubMed:33065002}. CC -!- SUBUNIT: V-ATPase is a heteromultimeric enzyme made up of two CC complexes: the ATP-hydrolytic V1 complex and the proton translocation CC V0 complex (PubMed:33065002). The V1 complex consists of three CC catalytic AB heterodimers that form a heterohexamer, three peripheral CC stalks each consisting of EG heterodimers, one central rotor including CC subunits D and F, and the regulatory subunits C and H CC (PubMed:33065002). The proton translocation complex V0 consists of the CC proton transport subunit a, a ring of proteolipid subunits c9c'', CC rotary subunit d, subunits e and f, and the accessory subunits CC ATP6AP1/Ac45 and ATP6AP2/PRR (PubMed:33065002). Interacts with IFITM3 CC (By similarity). Interacts with TM4SF19; this interaction inhibits V1- CC V0 complex assembly (By similarity). {ECO:0000250|UniProtKB:Q91V37, CC ECO:0000269|PubMed:33065002}. CC -!- INTERACTION: CC Q99437; Q86Y34: ADGRG3; NbExp=3; IntAct=EBI-3904417, EBI-17979264; CC Q99437; P05090: APOD; NbExp=3; IntAct=EBI-3904417, EBI-715495; CC Q99437; P29400-2: COL4A5; NbExp=3; IntAct=EBI-3904417, EBI-12211159; CC Q99437; P54849: EMP1; NbExp=3; IntAct=EBI-3904417, EBI-4319440; CC Q99437; Q96KR6: FAM210B; NbExp=3; IntAct=EBI-3904417, EBI-18938272; CC Q99437; P48165: GJA8; NbExp=3; IntAct=EBI-3904417, EBI-17458373; CC Q99437; O15529: GPR42; NbExp=3; IntAct=EBI-3904417, EBI-18076404; CC Q99437; Q9BZJ8: GPR61; NbExp=3; IntAct=EBI-3904417, EBI-12808020; CC Q99437; Q9Y5U4: INSIG2; NbExp=3; IntAct=EBI-3904417, EBI-8503746; CC Q99437; P26715: KLRC1; NbExp=3; IntAct=EBI-3904417, EBI-9018187; CC Q99437; Q9GZY8-5: MFF; NbExp=3; IntAct=EBI-3904417, EBI-11956541; CC Q99437; P30301: MIP; NbExp=3; IntAct=EBI-3904417, EBI-8449636; CC Q99437; Q96HJ5: MS4A3; NbExp=5; IntAct=EBI-3904417, EBI-12806656; CC Q99437; Q8IXM6: NRM; NbExp=3; IntAct=EBI-3904417, EBI-10262547; CC Q99437; Q14973: SLC10A1; NbExp=3; IntAct=EBI-3904417, EBI-3923031; CC Q99437; P22732: SLC2A5; NbExp=3; IntAct=EBI-3904417, EBI-2825135; CC Q99437; Q9HBV2: SPACA1; NbExp=3; IntAct=EBI-3904417, EBI-17498703; CC Q99437; P27105: STOM; NbExp=3; IntAct=EBI-3904417, EBI-1211440; CC Q99437; Q96DZ7: TM4SF19; NbExp=3; IntAct=EBI-3904417, EBI-6448756; CC Q99437; Q9NWH2: TMEM242; NbExp=3; IntAct=EBI-3904417, EBI-10315004; CC Q99437; Q3ZAQ7: VMA21; NbExp=3; IntAct=EBI-3904417, EBI-1055364; CC -!- SUBCELLULAR LOCATION: Cytoplasmic vesicle, clathrin-coated vesicle CC membrane {ECO:0000250|UniProtKB:Q2TA24}; Multi-pass membrane protein CC {ECO:0000255}. CC -!- ALTERNATIVE PRODUCTS: CC Event=Alternative splicing; Named isoforms=2; CC Name=1; CC IsoId=Q99437-1; Sequence=Displayed; CC Name=2; CC IsoId=Q99437-2; Sequence=VSP_046288; CC -!- TISSUE SPECIFICITY: Ubiquitous. CC -!- SIMILARITY: Belongs to the V-ATPase proteolipid subunit family. CC {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; D89052; BAA13753.1; -; mRNA. DR EMBL; BT007151; AAP35815.1; -; mRNA. DR EMBL; CR456972; CAG33253.1; -; mRNA. DR EMBL; AL357079; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; CH471059; EAX07066.1; -; Genomic_DNA. DR EMBL; CH471059; EAX07067.1; -; Genomic_DNA. DR EMBL; CH471059; EAX07068.1; -; Genomic_DNA. DR EMBL; BC000423; AAH00423.1; -; mRNA. DR EMBL; BC005876; AAH05876.1; -; mRNA. DR CCDS; CCDS41315.1; -. [Q99437-2] DR CCDS; CCDS505.1; -. [Q99437-1] DR RefSeq; NP_001034546.1; NM_001039457.3. [Q99437-2] DR RefSeq; NP_004038.1; NM_004047.5. [Q99437-1] DR RefSeq; XP_047278606.1; XM_047422650.1. [Q99437-2] DR RefSeq; XP_054193068.1; XM_054337093.1. [Q99437-2] DR PDB; 6WLW; EM; 3.00 A; 0=1-205. DR PDB; 6WM2; EM; 3.10 A; 0=1-205. DR PDB; 6WM3; EM; 3.40 A; 0=1-205. DR PDB; 6WM4; EM; 3.60 A; 0=1-205. DR PDB; 7U4T; EM; 3.60 A; 0=1-205. DR PDB; 7UNF; EM; 4.08 A; 1=1-205. DR PDBsum; 6WLW; -. DR PDBsum; 6WM2; -. DR PDBsum; 6WM3; -. DR PDBsum; 6WM4; -. DR PDBsum; 7U4T; -. DR PDBsum; 7UNF; -. DR AlphaFoldDB; Q99437; -. DR EMDB; EMD-21844; -. DR EMDB; EMD-21847; -. DR EMDB; EMD-21848; -. DR EMDB; EMD-21849; -. DR EMDB; EMD-26334; -. DR EMDB; EMD-26623; -. DR SMR; Q99437; -. DR BioGRID; 107016; 38. DR ComplexPortal; CPX-2470; Vacuolar proton translocating ATPase complex, ATP6V0A1 variant. DR ComplexPortal; CPX-6904; Vacuolar proton translocating ATPase complex, ATP6V0A2 variant. DR ComplexPortal; CPX-6905; Vacuolar proton translocating ATPase complex, ATP6V0A3 variant. DR ComplexPortal; CPX-6912; Vacuolar proton translocating ATPase complex, ATP6V0A4 variant. DR FunCoup; Q99437; 1295. DR IntAct; Q99437; 26. DR MINT; Q99437; -. DR STRING; 9606.ENSP00000434729; -. DR DrugBank; DB01133; Tiludronic acid. DR iPTMnet; Q99437; -. DR PhosphoSitePlus; Q99437; -. DR BioMuta; ATP6V0B; -. DR DMDM; 6136172; -. DR MassIVE; Q99437; -. DR PaxDb; 9606-ENSP00000434729; -. DR PeptideAtlas; Q99437; -. DR Antibodypedia; 32422; 87 antibodies from 18 providers. DR DNASU; 533; -. DR Ensembl; ENST00000236067.8; ENSP00000236067.4; ENSG00000117410.14. [Q99437-2] DR Ensembl; ENST00000472174.7; ENSP00000431605.1; ENSG00000117410.14. [Q99437-1] DR Ensembl; ENST00000498664.1; ENSP00000434094.1; ENSG00000117410.14. [Q99437-2] DR GeneID; 533; -. DR KEGG; hsa:533; -. DR MANE-Select; ENST00000472174.7; ENSP00000431605.1; NM_004047.5; NP_004038.1. DR UCSC; uc001cld.4; human. [Q99437-1] DR AGR; HGNC:861; -. DR CTD; 533; -. DR DisGeNET; 533; -. DR GeneCards; ATP6V0B; -. DR HGNC; HGNC:861; ATP6V0B. DR HPA; ENSG00000117410; Low tissue specificity. DR MIM; 603717; gene. DR OpenTargets; ENSG00000117410; -. DR VEuPathDB; HostDB:ENSG00000117410; -. DR eggNOG; KOG0233; Eukaryota. DR GeneTree; ENSGT00550000075120; -. DR HOGENOM; CLU_085752_0_0_1; -. DR InParanoid; Q99437; -. DR OMA; TSPYMWG; -. DR OrthoDB; 10264021at2759; -. DR PAN-GO; Q99437; 1 GO annotation based on evolutionary models. DR PhylomeDB; Q99437; -. DR BioCyc; MetaCyc:ENSG00000117410-MONOMER; -. DR PathwayCommons; Q99437; -. DR Reactome; R-HSA-1222556; ROS and RNS production in phagocytes. DR Reactome; R-HSA-77387; Insulin receptor recycling. DR Reactome; R-HSA-917977; Transferrin endocytosis and recycling. DR Reactome; R-HSA-9639288; Amino acids regulate mTORC1. DR Reactome; R-HSA-983712; Ion channel transport. DR Reactome; R-HSA-9857377; Regulation of MITF-M-dependent genes involved in lysosome biogenesis and autophagy. DR SignaLink; Q99437; -. DR SIGNOR; Q99437; -. DR BioGRID-ORCS; 533; 711 hits in 1169 CRISPR screens. DR ChiTaRS; ATP6V0B; human. DR GeneWiki; ATP6V0B; -. DR GenomeRNAi; 533; -. DR Pharos; Q99437; Tbio. DR PRO; PR:Q99437; -. DR Proteomes; UP000005640; Chromosome 1. DR RNAct; Q99437; protein. DR Bgee; ENSG00000117410; Expressed in granulocyte and 202 other cell types or tissues. DR ExpressionAtlas; Q99437; baseline and differential. DR GO; GO:0030665; C:clathrin-coated vesicle membrane; IEA:UniProtKB-SubCell. DR GO; GO:0010008; C:endosome membrane; TAS:Reactome. DR GO; GO:0000139; C:Golgi membrane; NAS:ComplexPortal. DR GO; GO:0005765; C:lysosomal membrane; TAS:Reactome. DR GO; GO:0016020; C:membrane; IDA:ComplexPortal. DR GO; GO:0030670; C:phagocytic vesicle membrane; TAS:Reactome. DR GO; GO:0005886; C:plasma membrane; NAS:ComplexPortal. DR GO; GO:0033176; C:proton-transporting V-type ATPase complex; NAS:ComplexPortal. DR GO; GO:0000220; C:vacuolar proton-transporting V-type ATPase, V0 domain; ISS:UniProtKB. DR GO; GO:0046961; F:proton-transporting ATPase activity, rotational mechanism; TAS:ProtInc. DR GO; GO:0048388; P:endosomal lumen acidification; NAS:ComplexPortal. DR GO; GO:0061795; P:Golgi lumen acidification; NAS:ComplexPortal. DR GO; GO:0051452; P:intracellular pH reduction; NAS:ComplexPortal. DR GO; GO:0007042; P:lysosomal lumen acidification; NAS:ComplexPortal. DR GO; GO:1902600; P:proton transmembrane transport; TAS:ProtInc. DR GO; GO:0016241; P:regulation of macroautophagy; NAS:ParkinsonsUK-UCL. DR GO; GO:0007035; P:vacuolar acidification; NAS:ComplexPortal. DR CDD; cd18177; ATP-synt_Vo_c_ATP6F_rpt1; 1. DR CDD; cd18178; ATP-synt_Vo_c_ATP6F_rpt2; 1. DR FunFam; 1.20.120.610:FF:000002; V-type proton ATPase proteolipid subunit; 1. DR Gene3D; 1.20.120.610; lithium bound rotor ring of v- atpase; 1. DR InterPro; IPR002379; ATPase_proteolipid_c-like_dom. DR InterPro; IPR000245; ATPase_proteolipid_csu. DR InterPro; IPR035921; F/V-ATP_Csub_sf. DR PANTHER; PTHR10263; V-TYPE PROTON ATPASE PROTEOLIPID SUBUNIT; 1. DR Pfam; PF00137; ATP-synt_C; 2. DR PRINTS; PR00122; VACATPASE. DR SUPFAM; SSF81333; F1F0 ATP synthase subunit C; 2. DR neXtProt; NX_Q99437; -. DR PharmGKB; PA25148; -. DR TreeFam; TF314946; -. PE 1: Evidence at protein level; KW 3D-structure; Alternative splicing; Cytoplasmic vesicle; KW Hydrogen ion transport; Ion transport; Membrane; Proteomics identification; KW Reference proteome; Transmembrane; Transmembrane helix; Transport. FT CHAIN 1..205 FT /note="V-type proton ATPase 21 kDa proteolipid subunit c''" FT /id="PRO_0000071777" FT TOPO_DOM 1..3 FT /note="Lumenal" FT /evidence="ECO:0000255" FT TRANSMEM 4..24 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 25..51 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT TRANSMEM 52..72 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 73..90 FT /note="Lumenal" FT /evidence="ECO:0000255" FT TRANSMEM 91..111 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 112..137 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT TRANSMEM 138..158 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 159..175 FT /note="Lumenal" FT /evidence="ECO:0000255" FT TRANSMEM 176..196 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 197..205 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT SITE 98 FT /note="Essential for proton translocation" FT /evidence="ECO:0000250|UniProtKB:Q2TA24" FT VAR_SEQ 1..47 FT /note="Missing (in isoform 2)" FT /evidence="ECO:0000305" FT /id="VSP_046288" FT VARIANT 155 FT /note="V -> M (in a breast cancer sample; somatic mutation; FT dbSNP:rs373883976)" FT /evidence="ECO:0000269|PubMed:16959974" FT /id="VAR_035703" FT HELIX 3..28 FT /evidence="ECO:0007829|PDB:6WLW" FT HELIX 32..34 FT /evidence="ECO:0007829|PDB:6WLW" FT HELIX 37..43 FT /evidence="ECO:0007829|PDB:6WLW" FT HELIX 46..79 FT /evidence="ECO:0007829|PDB:6WLW" FT HELIX 86..89 FT /evidence="ECO:0007829|PDB:6WLW" FT HELIX 91..111 FT /evidence="ECO:0007829|PDB:6WLW" FT HELIX 123..168 FT /evidence="ECO:0007829|PDB:6WLW" FT HELIX 170..172 FT /evidence="ECO:0007829|PDB:6WLW" FT HELIX 173..197 FT /evidence="ECO:0007829|PDB:6WLW" SQ SEQUENCE 205 AA; 21406 MW; F17C688D068A2785 CRC64; MTGLALLYSG VFVAFWACAL AVGVCYTIFD LGFRFDVAWF LTETSPFMWS NLGIGLAISL SVVGAAWGIY ITGSSIIGGG VKAPRIKTKN LVSIIFCEAV AIYGIIMAIV ISNMAEPFSA TDPKAIGHRN YHAGYSMFGA GLTVGLSNLF CGVCVGIVGS GAALADAQNP SLFVKILIVE IFGSAIGLFG VIVAILQTSR VKMGD //