Annotations: 7ZPO

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth H]	PF02254	e7zpoH1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF02254	ECOD (1.6)
B [auth D]	PF02254	e7zpoD1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF02254	ECOD (1.6)
G [auth B]	PF02254	e7zpoB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF02254	ECOD (1.6)
C [auth E]	PF02254	e7zpoE1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF02254	ECOD (1.6)
D [auth F]	PF02254	e7zpoF1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF02254	ECOD (1.6)
F [auth A]	PF02254	e7zpoA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF02254	ECOD (1.6)
H [auth J]	PF02254	e7zpoJ1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF02254	ECOD (1.6)
I [auth L]	PF02254	e7zpoL1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: PF02254	ECOD (1.6)
E [auth I]	F_UNCLASSIFIED	e7zpoI3	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: F_UNCLASSIFIED	ECOD (1.6)
E [auth I]	PF02386	e7zpoI4	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF02386	ECOD (1.6)
J [auth M]	F_UNCLASSIFIED	e7zpoM2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: F_UNCLASSIFIED	ECOD (1.6)
J [auth M]	PF02386	e7zpoM1	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF02386	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], G [auth B], H [auth J], I [auth L]	PF02254	TrkA-N domain (TrkA_N)	TrkA-N domain	This domain is found in a wide variety of proteins. These protein include potassium channels Swiss:P31069, phosphoesterases Swiss:Q59027, and various other transporters. This domain binds to NAD.	Domain
E [auth I], J [auth M]	PF02386	Cation transport protein (TrkH)	Cation transport protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], G [auth B], H [auth J], I [auth L]	Ktr system potassium uptake protein A	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding monoatomic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport	cell periphery plasma membrane membrane cellular anatomical entity
E [auth I], J [auth M]	Ktr system potassium uptake protein B	monoatomic cation transmembrane transporter activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity solute:monoatomic cation symporter activity potassium ion transmembrane transporter activity monoatomic anion:monoatomic cation symporter activity secondary active transmembrane transporter activity chloride:monoatomic cation symporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity monoatomic cation transmembrane transporter activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity solute:monoatomic cation symporter activity potassium ion transmembrane transporter activity monoatomic anion:monoatomic cation symporter activity secondary active transmembrane transporter activity chloride:monoatomic cation symporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity symporter activity potassium:chloride symporter activity inorganic anion transmembrane transporter activity	-	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], G [auth B], H [auth J], I [auth L]	IPR006037	Regulator of K+ conductance, C-terminal	Domain
A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], G [auth B], H [auth J], I [auth L]	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], G [auth B], H [auth J], I [auth L]	IPR036721	Regulator of K+ conductance, C-terminal domain superfamily	Homologous Superfamily
A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], A [auth H], B [auth D], C [auth E], D [auth F], F [auth A], G [auth B], H [auth J], I [auth L]	IPR003148	Regulator of K+ conductance, N-terminal	Domain
E [auth I], J [auth M]	IPR003445	Cation transporter	Family
E [auth I], J [auth M]	IPR004772	TrkH potassium transport family	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth H], B [auth D], C [auth E], D [auth F], E [auth I] A [auth H], B [auth D], C [auth E], D [auth F], E [auth I], F [auth A], G [auth B], H [auth J], I [auth L], J [auth M]	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	Potassium transporter TrkH/TrkA complex

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A [auth H], B [auth D], C [auth E], D [auth F], E [auth I] A [auth H], B [auth D], C [auth E], D [auth F], E [auth I], F [auth A], G [auth B], H [auth J], I [auth L], J [auth M]	MemProtMD	Annotated as membrane protein by MemProtMD

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.