3A2A

The structure of the carboxyl-terminal domain of the human voltage-gated proton channel Hv1

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Voltage-gated proton channel dimerisation region-like	8046178	4004932	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Voltage-gated proton channel dimerisation region-like	8093007	3002659	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Voltage-gated proton channel dimerisation region-like	8093007	3002659	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Voltage-gated proton channel dimerisation region-like	8093007	3002659	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Voltage-gated proton channel dimerisation region-like	8093007	3002659	SCOP2B (2022-06-29)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.5.170	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
B	1.20.5.170	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
C	1.20.5.170	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
D	1.20.5.170	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF16799	C-terminal membrane-localisation domain of ion-channel, VCN1 (VGPC1_C)	C-terminal membrane-localisation domain of ion-channel, VCN1	-	Coiled-coil

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Voltage-gated hydrogen channel 1	monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity identical protein binding protein binding monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity proton transmembrane transporter activity proton channel activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity voltage-gated proton channel activity	transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport regulation of biological process regulation of cellular process transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport regulation of biological process regulation of cellular process reactive oxygen species metabolic process biological regulation positive regulation of biological process regulation of superoxide metabolic process positive regulation of reactive oxygen species metabolic process superoxide metabolic process positive regulation of metabolic process superoxide anion generation metabolic process positive regulation of superoxide anion generation regulation of superoxide anion generation regulation of metabolic process regulation of reactive oxygen species metabolic process positive regulation of cellular process biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus sexual reproduction reproductive process fertilization single fertilization cellular response to stimulus response to pH cellular response to pH response to abiotic stimulus cellular response to abiotic stimulus cellular response to environmental stimulus response to metal ion response to chemical response to zinc ion cell redox homeostasis cellular homeostasis homeostatic process cellular response to metal ion cellular response to chemical stimulus cellular response to zinc ion reactive oxygen species biosynthetic process regulation of biosynthetic process regulation of reactive oxygen species biosynthetic process biosynthetic process regulation of intracellular pH chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis regulation of cellular pH intracellular monoatomic ion homeostasis regulation of reproductive process acrosome reaction regulation of acrosome reaction	membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system specific granule membrane intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system specific granule membrane intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane specific granule cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane cell projection cilium 9+2 motile cilium sperm flagellum motile cilium plasma membrane bounded cell projection phagocytic vesicle phagocytic vesicle membrane endocytic vesicle membrane endocytic vesicle protein-containing complex transmembrane transporter complex membrane protein complex transporter complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR031846	Voltage-gated hydrogen channel 1	Family
A, B, C, D	IPR005821	Ion transport domain	Domain
A, B, C, D	IPR031844	Voltage-gated hydrogen channel 1, C-terminal membrane-localisation domain	Domain
A, B, C, D	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: Q96D96	osteosarcoma Sjogren syndrome

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.