Annotations: 8FHH

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Voltage-gated potassium channels	8089819	3000023	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Ankyrin repeat	8089700	3000154	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ankyrin repeat	8089700	3000154	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Voltage-gated potassium channels	8089819	3000023	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Ankyrin repeat	8089700	3000154	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Voltage-gated potassium channels	8089819	3000023	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Ankyrin repeat	8089700	3000154	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Voltage-gated potassium channels	8089819	3000023	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF12796	e8fhhA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: PF12796	ECOD (1.6)
A	PF00520	e8fhhA2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00520	ECOD (1.6)
B	PF12796	e8fhhB2	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: PF12796	ECOD (1.6)
B	PF00520	e8fhhB1	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00520	ECOD (1.6)
C	PF12796	e8fhhC2	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: PF12796	ECOD (1.6)
C	PF00520	e8fhhC1	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00520	ECOD (1.6)
D	PF12796	e8fhhD2	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: PF12796	ECOD (1.6)
D	PF00520	e8fhhD1	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00520	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Transient receptor potential cation channel subfamily V member 5	protein binding binding calmodulin binding calcium channel activity monoatomic cation transmembrane transporter activity monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity protein binding binding calmodulin binding calcium channel activity monoatomic cation transmembrane transporter activity monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity cation binding ion binding metal ion binding small molecule binding identical protein binding	import into cell calcium ion transmembrane import into cytosol transport monoatomic ion transmembrane transport import across plasma membrane inorganic ion transmembrane transport establishment of localization inorganic cation import across plasma membrane calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization calcium ion import across plasma membrane import into cell calcium ion transmembrane import into cytosol transport monoatomic ion transmembrane transport import across plasma membrane inorganic ion transmembrane transport establishment of localization inorganic cation import across plasma membrane calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization calcium ion import across plasma membrane inorganic ion import across plasma membrane monoatomic ion transport cellular process calcium ion import calcium ion import into cytosol monoatomic cation transport calcium ion transmembrane transport regulation of body fluid levels multicellular organismal process renal system process system process biological regulation regulation of urine volume regulation of biological quality inorganic ion homeostasis chemical homeostasis homeostatic process monoatomic ion homeostasis calcium ion homeostasis monoatomic cation homeostasis protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis	cell periphery apical part of cell membrane plasma membrane plasma membrane region cellular anatomical entity apical plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR002110	Ankyrin repeat	Repeat
A, B, C, D	IPR005821	Ion transport domain	Domain
A, B, C, D	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
A, B, C, D	IPR024862	Transient receptor potential cation channel subfamily V	Family
A, B, C, D	IPR008346	Transient receptor potential cation channel subfamily V member 5	Family
A, B, C, D	IPR008344	Transient receptor potential cation channel subfamily V member 5/6	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Transient Receptor Potential (TRP)	TRPV5 Ca²⁺-selective ion channel in nanodiscs, with bound PI(4,5)P₂

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 R01GM133198.