ID VPP2_MOUSE Reviewed; 856 AA. AC P15920; A4FU82; Q3U2X3; Q8VHU0; Q9JHJ2; DT 01-APR-1990, integrated into UniProtKB/Swiss-Prot. DT 11-JAN-2001, sequence version 2. DT 27-MAR-2024, entry version 199. DE RecName: Full=V-type proton ATPase 116 kDa subunit a 2; DE Short=V-ATPase 116 kDa subunit a 2; DE AltName: Full=Immune suppressor factor J6B7; DE Short=ISF; DE AltName: Full=Lysosomal H(+)-transporting ATPase V0 subunit a 2; DE AltName: Full=ShIF; DE AltName: Full=Vacuolar proton translocating ATPase 116 kDa subunit a isoform 2; GN Name=Atp6v0a2; Synonyms=Atp6n1b, Tj6; OS Mus musculus (Mouse). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae; OC Murinae; Mus; Mus. OX NCBI_TaxID=10090; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1). RX PubMed=2247090; DOI=10.1016/0161-5890(90)90102-6; RA Lee C.-K., Ghoshal K., Beaman K.D.; RT "Cloning of a cDNA for a T cell produced molecule with a putative immune RT regulatory role."; RL Mol. Immunol. 27:1137-1144(1990). RN [2] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1). RX PubMed=10722719; DOI=10.1074/jbc.275.12.8760; RA Toyomura T., Oka T., Yamaguchi C., Wada Y., Futai M.; RT "Three subunit a isoforms of mouse vacuolar H+-ATPase. Preferential RT expression of the a3 isoform during osteoclast differentiation."; RL J. Biol. Chem. 275:8760-8765(2000). RN [3] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1). RC TISSUE=Brain, and Heart; RX PubMed=10702241; DOI=10.1074/jbc.275.10.6824; RA Nishi T., Forgac M.; RT "Molecular cloning and expression of three isoforms of the 100-kDa a RT subunit of the mouse vacuolar proton-translocating ATPase."; RL J. Biol. Chem. 275:6824-6830(2000). RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1 AND 2). RC STRAIN=NOD; TISSUE=Dendritic cell, and Wolffian duct; RX PubMed=16141072; DOI=10.1126/science.1112014; RA Carninci P., Kasukawa T., Katayama S., Gough J., Frith M.C., Maeda N., RA Oyama R., Ravasi T., Lenhard B., Wells C., Kodzius R., Shimokawa K., RA Bajic V.B., Brenner S.E., Batalov S., Forrest A.R., Zavolan M., Davis M.J., RA Wilming L.G., Aidinis V., Allen J.E., Ambesi-Impiombato A., Apweiler R., RA Aturaliya R.N., Bailey T.L., Bansal M., Baxter L., Beisel K.W., Bersano T., RA Bono H., Chalk A.M., Chiu K.P., Choudhary V., Christoffels A., RA Clutterbuck D.R., Crowe M.L., Dalla E., Dalrymple B.P., de Bono B., RA Della Gatta G., di Bernardo D., Down T., Engstrom P., Fagiolini M., RA Faulkner G., Fletcher C.F., Fukushima T., Furuno M., Futaki S., RA Gariboldi M., Georgii-Hemming P., Gingeras T.R., Gojobori T., Green R.E., RA Gustincich S., Harbers M., Hayashi Y., Hensch T.K., Hirokawa N., Hill D., RA Huminiecki L., Iacono M., Ikeo K., Iwama A., Ishikawa T., Jakt M., RA Kanapin A., Katoh M., Kawasawa Y., Kelso J., Kitamura H., Kitano H., RA Kollias G., Krishnan S.P., Kruger A., Kummerfeld S.K., Kurochkin I.V., RA Lareau L.F., Lazarevic D., Lipovich L., Liu J., Liuni S., McWilliam S., RA Madan Babu M., Madera M., Marchionni L., Matsuda H., Matsuzawa S., Miki H., RA Mignone F., Miyake S., Morris K., Mottagui-Tabar S., Mulder N., Nakano N., RA Nakauchi H., Ng P., Nilsson R., Nishiguchi S., Nishikawa S., Nori F., RA Ohara O., Okazaki Y., Orlando V., Pang K.C., Pavan W.J., Pavesi G., RA Pesole G., Petrovsky N., Piazza S., Reed J., Reid J.F., Ring B.Z., RA Ringwald M., Rost B., Ruan Y., Salzberg S.L., Sandelin A., Schneider C., RA Schoenbach C., Sekiguchi K., Semple C.A., Seno S., Sessa L., Sheng Y., RA Shibata Y., Shimada H., Shimada K., Silva D., Sinclair B., Sperling S., RA Stupka E., Sugiura K., Sultana R., Takenaka Y., Taki K., Tammoja K., RA Tan S.L., Tang S., Taylor M.S., Tegner J., Teichmann S.A., Ueda H.R., RA van Nimwegen E., Verardo R., Wei C.L., Yagi K., Yamanishi H., RA Zabarovsky E., Zhu S., Zimmer A., Hide W., Bult C., Grimmond S.M., RA Teasdale R.D., Liu E.T., Brusic V., Quackenbush J., Wahlestedt C., RA Mattick J.S., Hume D.A., Kai C., Sasaki D., Tomaru Y., Fukuda S., RA Kanamori-Katayama M., Suzuki M., Aoki J., Arakawa T., Iida J., Imamura K., RA Itoh M., Kato T., Kawaji H., Kawagashira N., Kawashima T., Kojima M., RA Kondo S., Konno H., Nakano K., Ninomiya N., Nishio T., Okada M., Plessy C., RA Shibata K., Shiraki T., Suzuki S., Tagami M., Waki K., Watahiki A., RA Okamura-Oho Y., Suzuki H., Kawai J., Hayashizaki Y.; RT "The transcriptional landscape of the mammalian genome."; RL Science 309:1559-1563(2005). RN [5] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). RC TISSUE=Mammary tumor; 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 [6] RP NUCLEOTIDE SEQUENCE [MRNA] OF 569-856, AND TISSUE SPECIFICITY. RX PubMed=11375395; DOI=10.1074/jbc.m101781200; RA Tulin E.E., Onoda N., Maeda M., Hasegawa M., Nosaka T., Nomura H., RA Asano S., Kitamura T.; RT "A novel secreted form of immune suppressor factor with high homology to RT vacuolar ATPases identified by a forward genetic approach of functional RT screening based on cell proliferation."; RL J. Biol. Chem. 276:27519-27526(2001). RN [7] RP FUNCTION, SUBCELLULAR LOCATION, AND INTERACTION WITH PSCD2. RX PubMed=16415858; DOI=10.1038/ncb1348; RA Hurtado-Lorenzo A., Skinner M., El Annan J., Futai M., Sun-Wada G.-H., RA Bourgoin S., Casanova J., Wildeman A., Bechoua S., Ausiello D.A., Brown D., RA Marshansky V.; RT "V-ATPase interacts with ARNO and Arf6 in early endosomes and regulates the RT protein degradative pathway."; RL Nat. Cell Biol. 8:124-136(2006). RN [8] RP PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-695 AND SER-700, AND RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RC TISSUE=Liver; RX PubMed=17242355; DOI=10.1073/pnas.0609836104; RA Villen J., Beausoleil S.A., Gerber S.A., Gygi S.P.; RT "Large-scale phosphorylation analysis of mouse liver."; RL Proc. Natl. Acad. Sci. U.S.A. 104:1488-1493(2007). RN [9] RP PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-695 AND SER-700, AND RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RC TISSUE=Brain, Brown adipose tissue, Heart, Kidney, Liver, Lung, RC Pancreas, Spleen, and Testis; RX PubMed=21183079; DOI=10.1016/j.cell.2010.12.001; RA Huttlin E.L., Jedrychowski M.P., Elias J.E., Goswami T., Rad R., RA Beausoleil S.A., Villen J., Haas W., Sowa M.E., Gygi S.P.; RT "A tissue-specific atlas of mouse protein phosphorylation and expression."; RL Cell 143:1174-1189(2010). CC -!- FUNCTION: Subunit of the V0 complex of vacuolar(H+)-ATPase (V-ATPase), CC a multisubunit enzyme composed of a peripheral complex (V1) that CC hydrolyzes ATP and a membrane integral complex (V0) that translocates CC protons (By similarity). V-ATPase is responsible for acidifying and CC maintaining the pH of intracellular compartments and in some cell CC types, is targeted to the plasma membrane, where it is responsible for CC acidifying the extracellular environment (By similarity). Essential CC component of the endosomal pH-sensing machinery (PubMed:16415858). May CC play a role in maintaining the Golgi functions, such as glycosylation CC maturation, by controlling the Golgi pH (By similarity). In aerobic CC conditions, involved in intracellular iron homeostasis, thus triggering CC the activity of Fe(2+) prolyl hydroxylase (PHD) enzymes, and leading to CC HIF1A hydroxylation and subsequent proteasomal degradation (By CC similarity). {ECO:0000250|UniProtKB:Q29466, CC ECO:0000250|UniProtKB:Q93050, ECO:0000250|UniProtKB:Q9Y487, CC ECO:0000269|PubMed:16415858}. 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 (By similarity). The V1 complex consists of three catalytic CC AB heterodimers that form a heterohexamer, three peripheral stalks each CC consisting of EG heterodimers, one central rotor including subunits D CC and F, and the regulatory subunits C and H (By similarity). The proton CC translocation complex V0 consists of the proton transport subunit a, a CC ring of proteolipid subunits c9c'', rotary subunit d, subunits e and f, CC and the accessory subunits ATP6AP1/Ac45 and ATP6AP2/PRR (By CC similarity). Directly interacts with PSCD2 through its N-terminal CC cytosolic tail in an intra-endosomal acidification-dependent manner CC (PubMed:16415858). Disruption of this interaction results in the CC inhibition of endocytosis (PubMed:16415858). Interacts with SPAAR (By CC similarity). {ECO:0000250|UniProtKB:Q93050, CC ECO:0000250|UniProtKB:Q9Y487, ECO:0000269|PubMed:16415858}. CC -!- INTERACTION: CC P15920; P63034: Cyth2; NbExp=5; IntAct=EBI-988456, EBI-988425; CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000269|PubMed:16415858}; CC Multi-pass membrane protein {ECO:0000269|PubMed:16415858}. Endosome CC membrane {ECO:0000269|PubMed:16415858}. Note=In kidney proximal CC tubules, detected in subapical early endosomes. CC -!- ALTERNATIVE PRODUCTS: CC Event=Alternative splicing; Named isoforms=2; CC Name=1; CC IsoId=P15920-1; Sequence=Displayed; CC Name=2; CC IsoId=P15920-2; Sequence=VSP_032088; CC -!- TISSUE SPECIFICITY: Relatively high expression in kidney and liver. CC Lower levels in the spleen, testis, and skeletal muscle. Also expressed CC in the thymus. {ECO:0000269|PubMed:11375395}. CC -!- SIMILARITY: Belongs to the V-ATPase 116 kDa subunit family. CC {ECO:0000305}. CC -!- SEQUENCE CAUTION: CC Sequence=AAL57303.1; Type=Erroneous initiation; Evidence={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; M31226; AAA39336.1; -; mRNA. DR EMBL; X55184; CAA38968.1; -; mRNA. DR EMBL; AB022323; BAA93007.1; -; mRNA. DR EMBL; AF218252; AAF59921.1; -; mRNA. DR EMBL; AK032909; BAC28081.1; -; mRNA. DR EMBL; AK155055; BAE33017.1; -; mRNA. DR EMBL; BC108991; AAI08992.1; -; mRNA. DR EMBL; BC108992; AAI08993.1; -; mRNA. DR EMBL; BC112905; AAI12906.1; -; mRNA. DR EMBL; AF388674; AAL57303.1; ALT_INIT; mRNA. DR CCDS; CCDS84963.1; -. [P15920-1] DR PIR; JH0287; JH0287. DR RefSeq; NP_035726.2; NM_011596.5. [P15920-1] DR PDB; 2LX4; NMR; -; A=1-17. DR PDBsum; 2LX4; -. DR AlphaFoldDB; P15920; -. DR BMRB; P15920; -. DR SMR; P15920; -. DR BioGRID; 204208; 1. DR IntAct; P15920; 1. DR STRING; 10090.ENSMUSP00000039737; -. DR TCDB; 3.A.2.2.6; the h+- or na+-translocating f-type, v-type and a-type atpase (f-atpase) superfamily. DR iPTMnet; P15920; -. DR PhosphoSitePlus; P15920; -. DR SwissPalm; P15920; -. DR EPD; P15920; -. DR jPOST; P15920; -. DR MaxQB; P15920; -. DR PaxDb; 10090-ENSMUSP00000039737; -. DR PeptideAtlas; P15920; -. DR ProteomicsDB; 300181; -. [P15920-1] DR ProteomicsDB; 300182; -. [P15920-2] DR Pumba; P15920; -. DR Antibodypedia; 31833; 132 antibodies from 25 providers. DR DNASU; 21871; -. DR Ensembl; ENSMUST00000037865.13; ENSMUSP00000039737.9; ENSMUSG00000038023.13. [P15920-1] DR GeneID; 21871; -. DR KEGG; mmu:21871; -. DR UCSC; uc008zqn.2; mouse. [P15920-2] DR UCSC; uc029voj.2; mouse. [P15920-1] DR AGR; MGI:104855; -. DR CTD; 23545; -. DR MGI; MGI:104855; Atp6v0a2. DR VEuPathDB; HostDB:ENSMUSG00000038023; -. DR eggNOG; KOG2189; Eukaryota. DR GeneTree; ENSGT00950000182881; -. DR HOGENOM; CLU_005230_0_0_1; -. DR InParanoid; P15920; -. DR OMA; TYVQLYI; -. DR OrthoDB; 1967517at2759; -. DR PhylomeDB; P15920; -. DR TreeFam; TF300346; -. DR Reactome; R-MMU-1222556; ROS and RNS production in phagocytes. DR Reactome; R-MMU-77387; Insulin receptor recycling. DR Reactome; R-MMU-917977; Transferrin endocytosis and recycling. DR Reactome; R-MMU-983712; Ion channel transport. DR BioGRID-ORCS; 21871; 2 hits in 54 CRISPR screens. DR ChiTaRS; Atp6v0a2; mouse. DR PRO; PR:P15920; -. DR Proteomes; UP000000589; Chromosome 5. DR RNAct; P15920; Protein. DR Bgee; ENSMUSG00000038023; Expressed in choroid plexus of fourth ventricle and 287 other cell types or tissues. DR ExpressionAtlas; P15920; baseline and differential. DR GO; GO:0001669; C:acrosomal vesicle; IDA:MGI. DR GO; GO:0010008; C:endosome membrane; IEA:UniProtKB-SubCell. DR GO; GO:0005925; C:focal adhesion; ISO:MGI. DR GO; GO:0043231; C:intracellular membrane-bounded organelle; ISO:MGI. DR GO; GO:0043229; C:intracellular organelle; IDA:MGI. DR GO; GO:0048471; C:perinuclear region of cytoplasm; IDA:MGI. DR GO; GO:0005886; C:plasma membrane; ISO:MGI. DR GO; GO:0033176; C:proton-transporting V-type ATPase complex; IDA:MGI. DR GO; GO:0033179; C:proton-transporting V-type ATPase, V0 domain; IDA:MGI. DR GO; GO:1902495; C:transmembrane transporter complex; IDA:MGI. DR GO; GO:0016471; C:vacuolar proton-transporting V-type ATPase complex; IBA:GO_Central. DR GO; GO:0000220; C:vacuolar proton-transporting V-type ATPase, V0 domain; IEA:InterPro. DR GO; GO:0051117; F:ATPase binding; IBA:GO_Central. DR GO; GO:0046961; F:proton-transporting ATPase activity, rotational mechanism; IEA:InterPro. DR GO; GO:0036295; P:cellular response to increased oxygen levels; ISS:UniProtKB. DR GO; GO:0006879; P:intracellular iron ion homeostasis; ISS:UniProtKB. DR GO; GO:0007035; P:vacuolar acidification; IBA:GO_Central. DR InterPro; IPR002490; V-ATPase_116kDa_su. DR InterPro; IPR026028; V-type_ATPase_116kDa_su_euka. DR PANTHER; PTHR11629:SF22; V-TYPE PROTON ATPASE 116 KDA SUBUNIT A 2; 1. DR PANTHER; PTHR11629; VACUOLAR PROTON ATPASES; 1. DR Pfam; PF01496; V_ATPase_I; 1. DR PIRSF; PIRSF001293; ATP6V0A1; 1. DR Genevisible; P15920; MM. PE 1: Evidence at protein level; KW 3D-structure; Alternative splicing; Cell membrane; Endosome; KW Hydrogen ion transport; Ion transport; Membrane; Phosphoprotein; KW Reference proteome; Transmembrane; Transmembrane helix; Transport. FT CHAIN 1..856 FT /note="V-type proton ATPase 116 kDa subunit a 2" FT /id="PRO_0000119217" FT TOPO_DOM 1..393 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT TRANSMEM 394..412 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 413..414 FT /note="Vacuolar" FT /evidence="ECO:0000255" FT TRANSMEM 415..431 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 432..445 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT TRANSMEM 446..475 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 476..549 FT /note="Vacuolar" FT /evidence="ECO:0000255" FT TRANSMEM 550..569 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 570..587 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT TRANSMEM 588..608 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 609..651 FT /note="Vacuolar" FT /evidence="ECO:0000255" FT TRANSMEM 652..671 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 672..739 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT TRANSMEM 740..764 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 765..785 FT /note="Vacuolar" FT /evidence="ECO:0000255" FT TRANSMEM 786..824 FT /note="Helical" FT /evidence="ECO:0000255" FT TOPO_DOM 825..856 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT MOD_RES 695 FT /note="Phosphoserine" FT /evidence="ECO:0007744|PubMed:17242355, FT ECO:0007744|PubMed:21183079" FT MOD_RES 700 FT /note="Phosphoserine" FT /evidence="ECO:0007744|PubMed:17242355, FT ECO:0007744|PubMed:21183079" FT VAR_SEQ 1..593 FT /note="Missing (in isoform 2)" FT /evidence="ECO:0000303|PubMed:16141072" FT /id="VSP_032088" FT CONFLICT 486 FT /note="S -> C (in Ref. 1; AAA39336/CAA38968)" FT /evidence="ECO:0000305" FT CONFLICT 791 FT /note="Missing (in Ref. 1; AAA39336/CAA38968)" FT /evidence="ECO:0000305" FT HELIX 4..16 FT /evidence="ECO:0007829|PDB:2LX4" SQ SEQUENCE 856 AA; 98145 MW; 6A0D593F6F401E22 CRC64; MGSLFRSESM CLAQLFLQSG TAYECLSALG EKGLVQFRDL NQNVSSFQRK FVGEVKRCEE LERILVYLVQ EITRADIPLP EGEASPPAPP LKHVLEMQEQ LQKLEVELRE VTKNKEKLRK NLLELVEYTH MLRVTKTFLK RNVEFEPTYE EFPALENDSL LDYSCMQRLG AKLGFVSGLI QQGRVEAFER MLWRACKGYT IVTYAELDEC LEDPETGEVI KWYVFLISFW GEQIGHKVKK ICDCYHCHIY PYPNTAEERR EIQEGLNTRI QDLYTVLHKT EDYLRQVLCK AAESVCSRVV QVRKMKAIYH MLNMCSFDVT NKCLIAEVWC PEVDLPGLRR ALEEGSRESG ATIPSFMNTI PTKETPPTLI RTNKFTEGFQ NIVDAYGVGS YREVNPALFT IITFPFLFAV MFGDFGHGFV MFLFALLLVL NENHPRLSQS QEILRMFFDG RYILLLMGLF SVYTGLIYND CFSKSVNLFG SGWNVSAMYS SSHSPEEQRK MVLWNDSTIR HSRTLQLDPN IPGVFRGPYP FGIDPIWNLA TNRLTFLNSF KMKMSVILGI FHMTFGVVLG IFNHLHFRKK FNVYLVSVPE ILFMLCIFGY LIFMIIYKWL AYSAETSREA PSILIEFINM FLFPTSKTHG LYPGQAHVQR VLVALTVLAV PVLFLGKPLF LLWLHNGRNC FGMSRSGYTL VRKDSEEEVS LLGNQDIEEG NSRMEEGCRE VTCEEFNFGE ILMTQAIHSI EYCLGCISNT ASYLRLWALS LAHAQLSDVL WAMLMRVGLR VDTTYGVLLL LPVMAFFAVL TIFILLVMEG LSAFLHAIRL HWVEFQNKFY VGAGTKFVPF SFSLLSSKFS NDDSIA //