Annotations: 9E7L

Yeast V-ATPase Vo proton channel bound to nanobody 2WVA7

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	WD40	e9e7lB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
B [auth C]	WD40	e9e7lC1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
D [auth X]	TIP49	e9e7lX01	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: TIP49	ECOD (v295.2)
O [auth W]	WD40	e9e7lW1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
P [auth V]	WD40	e9e7lV1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
Q [auth U]	WD40	e9e7lU1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
S [auth T]	WD40	e9e7lT1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
T [auth S]	WD40	e9e7lS1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
U [auth R]	WD40	e9e7lR1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
V [auth Q]	WD40	e9e7lQ1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
E [auth F]	WD40	e9e7lF1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
F [auth G]	WD40	e9e7lG1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
G [auth H]	WD40	e9e7lH1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
H [auth I]	WD40	e9e7lI1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
I [auth J]	WD40	e9e7lJ1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
K [auth L]	WD40	e9e7lL1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
R [auth E]	WD40	e9e7lE1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
J [auth K]	WD40	e9e7lK1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
W [auth A]	WD40	e9e7lA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)
C [auth D]	WD40	e9e7lD1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: WD40	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D [auth X], O [auth W], P [auth V], Q [auth U], S [auth T], D [auth X], O [auth W], P [auth V], Q [auth U], S [auth T], T [auth S], U [auth R], V [auth Q]	Heavy Chain	IGHV1	-	v-type proton atpase subunit c \| v-type proton atpase subunit a, vacuolar isoform \| v-type proton atpase subunit e \| v-type proton atpase subunit c'', v-type proton atpase subunit c, v-type proton atpase subunit c \| v-type proton atpase subunit c'	SAbDab (2026-09-11)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B]	PF01992	ATP synthase (C/AC39) subunit (vATP-synt_AC39)	ATP synthase (C/AC39) subunit	-	Family
B [auth C]	PF00137	ATP synthase subunit C (ATP-synt_C)	ATP synthase subunit C	This domain is found in the subunit c of ATP synthases and similar sequences from all cellular organisms. It forms two alpha-helices [1-4].	Domain
E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], J [auth K], K [auth L], R [auth E]	PF00137	ATP synthase subunit C (ATP-synt_C)	ATP synthase subunit C	This domain is found in the subunit c of ATP synthases and similar sequences from all cellular organisms. It forms two alpha-helices [1-4].	Domain
L [auth M]	PF05493	ATP synthase subunit H (ATP_synt_H)	ATP synthase subunit H	-	Family
M [auth N]	PF20520	V0 complex accessory subunit Ac45/VOA1 transmembrane domain (Ac45-VOA1_TM)	V0 complex accessory subunit Ac45/VOA1 transmembrane domain	This entry represents the transmembrane domain from ER/Golgi membrane proteins including V0 complex accessory subunit Ac45 (ATP6AP1, also known as V-type proton ATPase subunit S1) from animals and the yeast homologue V0 assembly protein 1 (VOA1) whic ...	This entry represents the transmembrane domain from ER/Golgi membrane proteins including V0 complex accessory subunit Ac45 (ATP6AP1, also known as V-type proton ATPase subunit S1) from animals and the yeast homologue V0 assembly protein 1 (VOA1) which are essential for V0 ATPase assembly, stability and function [1,2]. In humans, mutations of ATP6AP1 cause immunodeficiency with hypogammaglobulinemia, hepatopathy and neurocognitive abnormalities [3]. This entry also includes ER membrane BIG1 proteins from yeast, involved in cell wall biogenesis.	Domain
W [auth A]	PF01496	V-type ATPase 116kDa subunit family (V_ATPase_I)	V-type ATPase 116kDa subunit family	-	Family
C [auth D]	PF00137	ATP synthase subunit C (ATP-synt_C)	ATP synthase subunit C	This domain is found in the subunit c of ATP synthases and similar sequences from all cellular organisms. It forms two alpha-helices [1-4].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	V-type proton ATPase subunit d	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular localization establishment of localization in cell vacuolar transport intracellular transport monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular localization establishment of localization in cell vacuolar transport intracellular transport homeostatic process biological regulation intracellular pH reduction Golgi lumen acidification regulation of intracellular pH cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis intracellular monoatomic ion homeostasis vesicle organization cellular component organization organelle organization endosome organization cellular component organization or biogenesis endosomal lumen acidification endomembrane system organization vacuolar acidification	vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle cytoplasm organelle membrane fungal-type vacuole membrane ATPase dependent transmembrane transport complex protein-containing complex ATPase complex catalytic complex membrane protein complex proton-transporting V-type ATPase complex transporter complex cation-transporting ATPase complex proton-transporting two-sector ATPase complex transmembrane transporter complex Golgi membrane Golgi apparatus endomembrane system vacuolar proton-transporting V-type ATPase, V0 domain proton-transporting V-type ATPase, V0 domain proton-transporting two-sector ATPase complex, proton-transporting domain vacuolar proton-transporting V-type ATPase complex
B [auth C]	V-type proton ATPase subunit c''	monoatomic cation transmembrane transporter activity P-type transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity ATPase-coupled monoatomic cation transmembrane transporter activity P-type proton-exporting transporter activity ATP-dependent activity P-type ion transporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity P-type transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity ATPase-coupled monoatomic cation transmembrane transporter activity P-type proton-exporting transporter activity ATP-dependent activity P-type ion transporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled ion transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization homeostatic process biological regulation intracellular pH reduction Golgi lumen acidification monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization homeostatic process biological regulation intracellular pH reduction Golgi lumen acidification regulation of intracellular pH cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis intracellular monoatomic ion homeostasis vesicle organization cellular component organization organelle organization endosome organization cellular component organization or biogenesis endosomal lumen acidification endomembrane system organization vacuolar acidification	vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle cytoplasm organelle membrane fungal-type vacuole membrane ATPase dependent transmembrane transport complex protein-containing complex ATPase complex catalytic complex membrane protein complex proton-transporting V-type ATPase complex transporter complex cation-transporting ATPase complex proton-transporting two-sector ATPase complex transmembrane transporter complex Golgi membrane Golgi apparatus endomembrane system vacuolar proton-transporting V-type ATPase, V0 domain proton-transporting V-type ATPase, V0 domain proton-transporting two-sector ATPase complex, proton-transporting domain vacuolar proton-transporting V-type ATPase complex
D [auth X], O [auth W], P [auth V], Q [auth U], S [auth T], D [auth X], O [auth W], P [auth V], Q [auth U], S [auth T], T [auth S], U [auth R], V [auth Q]	Nanobody 2WVA7	-	-	-
E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], J [auth K], K [auth L], R [auth E]	V-type proton ATPase subunit c	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis monoatomic cation transmembrane transport transmembrane transport localization transport intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization establishment of protein localization cellular localization protein targeting establishment of protein localization to vacuole intracellular transport protein localization to vacuole establishment of protein localization to organelle protein transport establishment of localization in cell protein localization to organelle macromolecule localization vacuolar transport intracellular protein localization protein targeting to vacuole intracellular protein transport intracellular copper ion homeostasis copper ion homeostasis import into cell endocytosis biological regulation intracellular pH reduction Golgi lumen acidification regulation of intracellular pH regulation of pH regulation of biological quality vesicle organization cellular component organization organelle organization endosome organization cellular component organization or biogenesis endosomal lumen acidification endomembrane system organization vacuole organization vacuolar acidification	vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle cytoplasm organelle membrane fungal-type vacuole membrane ATPase dependent transmembrane transport complex protein-containing complex ATPase complex catalytic complex membrane protein complex proton-transporting V-type ATPase complex transporter complex cation-transporting ATPase complex proton-transporting two-sector ATPase complex transmembrane transporter complex Golgi membrane Golgi apparatus endomembrane system vacuolar proton-transporting V-type ATPase, V0 domain proton-transporting V-type ATPase, V0 domain proton-transporting two-sector ATPase complex, proton-transporting domain vacuolar proton-transporting V-type ATPase complex
L [auth M]	V-type proton ATPase subunit e	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis homeostatic process biological regulation intracellular pH reduction Golgi lumen acidification regulation of intracellular pH cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis intracellular monoatomic ion homeostasis carbohydrate derivative biosynthetic process cell wall mannoprotein biosynthetic process cell wall organization or biogenesis glycoprotein biosynthetic process carbohydrate derivative metabolic process primary metabolic process glycoprotein metabolic process macromolecule biosynthetic process cell wall biogenesis biosynthetic process cell wall macromolecule biosynthetic process metabolic process protein metabolic process macromolecule metabolic process cell wall glycoprotein biosynthetic process cell wall macromolecule metabolic process vesicle organization organelle organization endosome organization endosomal lumen acidification endomembrane system organization vacuolar acidification	vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle cytoplasm organelle membrane fungal-type vacuole membrane ATPase dependent transmembrane transport complex protein-containing complex ATPase complex catalytic complex membrane protein complex proton-transporting V-type ATPase complex transporter complex cation-transporting ATPase complex proton-transporting two-sector ATPase complex transmembrane transporter complex Golgi membrane Golgi apparatus endomembrane system vacuolar proton-transporting V-type ATPase, V0 domain proton-transporting V-type ATPase, V0 domain proton-transporting two-sector ATPase complex, proton-transporting domain vacuolar proton-transporting V-type ATPase complex
M [auth N]	V0 assembly protein 1	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis homeostatic process biological regulation intracellular pH reduction Golgi lumen acidification regulation of intracellular pH cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis intracellular monoatomic ion homeostasis vesicle organization organelle organization endosome organization endosomal lumen acidification endomembrane system organization vacuolar acidification	vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle cytoplasm organelle membrane fungal-type vacuole membrane ATPase dependent transmembrane transport complex protein-containing complex ATPase complex catalytic complex membrane protein complex proton-transporting V-type ATPase complex transporter complex cation-transporting ATPase complex proton-transporting two-sector ATPase complex transmembrane transporter complex Golgi membrane Golgi apparatus endomembrane system vacuolar proton-transporting V-type ATPase, V0 domain proton-transporting V-type ATPase, V0 domain proton-transporting two-sector ATPase complex, proton-transporting domain vacuolar proton-transporting V-type ATPase complex organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane
N [auth O]	Yeast V-ATPase subunit f	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity endonuclease activity nuclease activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization homeostatic process biological regulation intracellular pH reduction Golgi lumen acidification monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization homeostatic process biological regulation intracellular pH reduction Golgi lumen acidification regulation of intracellular pH cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis intracellular monoatomic ion homeostasis vesicle organization cellular component organization organelle organization endosome organization cellular component organization or biogenesis endosomal lumen acidification endomembrane system organization vacuolar acidification	vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle vacuolar membrane membrane-bounded organelle storage vacuole intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle cytoplasm organelle membrane fungal-type vacuole membrane ATPase dependent transmembrane transport complex protein-containing complex ATPase complex catalytic complex membrane protein complex proton-transporting V-type ATPase complex transporter complex cation-transporting ATPase complex proton-transporting two-sector ATPase complex transmembrane transporter complex Golgi membrane Golgi apparatus endomembrane system vacuolar proton-transporting V-type ATPase, V0 domain proton-transporting V-type ATPase, V0 domain proton-transporting two-sector ATPase complex, proton-transporting domain vacuolar proton-transporting V-type ATPase complex organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane
W [auth A]	V-type proton ATPase subunit a, vacuolar isoform	phosphatidylinositol-3,5-bisphosphate binding ion binding binding anion binding phosphatidylinositol bisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding small molecule binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism phosphatidylinositol-3,5-bisphosphate binding ion binding binding anion binding phosphatidylinositol bisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding small molecule binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity ATPase binding protein binding enzyme binding	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis protein localization to vacuolar membrane cellular localization macromolecule localization protein localization to organelle protein localization to vacuole intracellular protein localization localization within membrane protein localization to membrane cellular response to stimulus response to stimulus response to pH cellular response to pH response to alkaline pH response to abiotic stimulus cellular response to alkaline pH cellular response to abiotic stimulus cellular response to environmental stimulus response to osmotic stress cellular response to chemical stress cellular response to osmotic stress cellular response to chemical stimulus hyperosmotic response cellular hyperosmotic response cellular response to stress response to stress response to chemical oxoacid metabolic process metabolic process small molecule metabolic process phosphorus metabolic process polyphosphate metabolic process homeostatic process biological regulation intracellular pH reduction regulation of intracellular pH vacuolar acidification cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis intracellular monoatomic ion homeostasis	membrane-bounded organelle storage vacuole intracellular anatomical structure lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle cellular anatomical structure organelle cytoplasm vacuolar membrane membrane lytic vacuole membrane membrane-bounded organelle storage vacuole intracellular anatomical structure lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle cellular anatomical structure organelle cytoplasm vacuolar membrane membrane lytic vacuole membrane bounding membrane of organelle organelle membrane fungal-type vacuole membrane ATPase dependent transmembrane transport complex protein-containing complex ATPase complex vacuolar proton-transporting V-type ATPase, V0 domain membrane protein complex proton-transporting V-type ATPase complex transporter complex proton-transporting two-sector ATPase complex proton-transporting V-type ATPase, V0 domain catalytic complex proton-transporting two-sector ATPase complex, proton-transporting domain vacuolar proton-transporting V-type ATPase complex cation-transporting ATPase complex transmembrane transporter complex membrane microdomain membrane raft
C [auth D]	V-type proton ATPase subunit c'	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization homeostatic process biological regulation intracellular pH reduction Golgi lumen acidification monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization homeostatic process biological regulation intracellular pH reduction Golgi lumen acidification regulation of intracellular pH cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis intracellular monoatomic ion homeostasis vesicle organization cellular component organization organelle organization endosome organization cellular component organization or biogenesis endosomal lumen acidification endomembrane system organization vacuolar acidification	membrane-bounded organelle storage vacuole intracellular anatomical structure lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle cellular anatomical structure organelle cytoplasm vacuolar membrane membrane lytic vacuole membrane membrane-bounded organelle storage vacuole intracellular anatomical structure lytic vacuole vacuole intracellular membrane-bounded organelle fungal-type vacuole intracellular organelle cellular anatomical structure organelle cytoplasm vacuolar membrane membrane lytic vacuole membrane bounding membrane of organelle organelle membrane fungal-type vacuole membrane ATPase dependent transmembrane transport complex protein-containing complex ATPase complex catalytic complex membrane protein complex proton-transporting V-type ATPase complex transporter complex cation-transporting ATPase complex proton-transporting two-sector ATPase complex transmembrane transporter complex Golgi membrane Golgi apparatus endomembrane system vacuolar proton-transporting V-type ATPase, V0 domain proton-transporting V-type ATPase, V0 domain proton-transporting two-sector ATPase complex, proton-transporting domain vacuolar proton-transporting V-type ATPase complex cell periphery

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR044911	V-type ATP synthase C/D subunit, domain 3 superfamily	Homologous Superfamily
A [auth B]	IPR002843	ATPase, V0 complex, C/D subunit	Family
A [auth B]	IPR036079	V-type ATP synthase subunit C/D subunit superfamily	Homologous Superfamily
A [auth B]	IPR035067	V-type ATPase subunit C/D	Homologous Superfamily
A [auth B]	IPR016727	ATPase, V0 complex, subunit D	Family
B [auth C]	IPR035921	F/V-ATP synthase subunit C superfamily	Homologous Superfamily
B [auth C]	IPR002379	V-ATPase proteolipid subunit C-like domain	Domain
B [auth C]	IPR000245	V-ATPase proteolipid subunit	Family
E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], J [auth K], K [auth L], R [auth E]	IPR035921	F/V-ATP synthase subunit C superfamily	Homologous Superfamily
E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], J [auth K], K [auth L], R [auth E]	IPR002379	V-ATPase proteolipid subunit C-like domain	Domain
E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], J [auth K], K [auth L], R [auth E]	IPR011555	V-ATPase proteolipid subunit C, eukaryotic	Family
E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], J [auth K], K [auth L], R [auth E]	IPR000245	V-ATPase proteolipid subunit	Family
L [auth M]	IPR008389	ATPase, V0 complex, subunit e1/e2	Family
M [auth N]	IPR046756	V-type proton ATPase subunit S1/VOA1, transmembrane domain	Domain
N [auth O]	IPR026770	Ribonuclease kappa	Family
W [auth A]	IPR026028	ATPase, V0 complex, subunit 116kDa, eukaryotic	Family
W [auth A]	IPR002490	V-type ATPase, V0 complex, 116kDa subunit family	Family
C [auth D]	IPR035921	F/V-ATP synthase subunit C superfamily	Homologous Superfamily
C [auth D]	IPR002379	V-ATPase proteolipid subunit C-like domain	Domain
C [auth D]	IPR011555	V-ATPase proteolipid subunit C, eukaryotic	Family
C [auth D]	IPR000245	V-ATPase proteolipid subunit	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth B], B [auth C], C [auth D], E [auth F], F [auth G] A [auth B], B [auth C], C [auth D], E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], J [auth K], K [auth L], L [auth M], M [auth N], N [auth O], R [auth E], W [auth A]	PDBTM	Annotated as membrane protein by PDBTM