Annotations: 6CI1

The Structure of Full-Length Kv Beta 2.1 Determined by Cryogenic Electron Microscopy

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
H	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8040991	3000288	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8040991	3000288	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8040991	3000288	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8040991	3000288	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8040991	3000288	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8040991	3000288	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8040991	3000288	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8040991	3000288	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)
H	MIF4G	e6ci1H1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
G	MIF4G	e6ci1G1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
F	MIF4G	e6ci1F1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
E	MIF4G	e6ci1E1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
D	MIF4G	e6ci1D1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
C	MIF4G	e6ci1C1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
B	MIF4G	e6ci1B1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
A	HATPase_c_5	e6ci1A01	A: beta barrels	X: Voltage-gated ion channels	H: Voltage-gated ion channels	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: HATPase_c_5	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF00248	Aldo/keto reductase family (Aldo_ket_red)	Aldo/keto reductase family	This family includes a number of K+ ion channel beta chain regulatory domains - these are reported to have oxidoreductase activity [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Voltage-gated potassium channel subunit beta-2	methylglyoxal reductase (NADPH) (acetol producing) activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors catalytic activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity methylglyoxal reductase (NADPH) (acetol producing) activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors catalytic activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity protein binding binding transmembrane transporter binding alcohol dehydrogenase [NAD(P)+] activity alcohol dehydrogenase (NADP+) activity protein-containing complex binding potassium channel regulator activity channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity	developmental process muscle structure development cellular developmental process cell differentiation anatomical structure development cellular process myoblast differentiation localization regulation of localization regulation of biological process protein localization to cell surface regulation of protein localization macromolecule localization biological regulation developmental process muscle structure development cellular developmental process cell differentiation anatomical structure development cellular process myoblast differentiation localization regulation of localization regulation of biological process protein localization to cell surface regulation of protein localization macromolecule localization biological regulation regulation of protein localization to cell surface intracellular protein localization multicellular organismal process system process nervous system process neuromuscular process regulation of potassium ion transport regulation of cellular process transport monoatomic ion transmembrane transport potassium ion transmembrane transport regulation of monoatomic ion transmembrane transport metal ion transport monoatomic cation transmembrane transport monoatomic ion transport monoatomic cation transport regulation of metal ion transport regulation of transport regulation of monoatomic ion transport regulation of potassium ion transmembrane transport establishment of localization transmembrane transport regulation of transmembrane transport potassium ion transport regulation of monoatomic cation transmembrane transport hemopoiesis cell development hematopoietic progenitor cell differentiation	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region axon cell projection main axon juxtaparanode region of axon neuron projection plasma membrane bounded cell projection intracellular anatomical structure cytoplasm cytosol axon initial segment glutamatergic synapse voltage-gated potassium channel complex protein-containing complex plasma membrane protein complex potassium channel complex membrane protein complex cation channel complex transporter complex transmembrane transporter complex monoatomic ion channel complex intracellular organelle cytoskeleton membraneless organelle intracellular membraneless organelle pinceau fiber axon terminus presynapse distal axon neuron projection terminus cytoplasmic side of plasma membrane cytoplasmic side of membrane side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR005399	Potassium channel, voltage-dependent, beta subunit, KCNAB-related	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR005401	Potassium channel, voltage-dependent, beta subunit, KCNAB2	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR023210	NADP-dependent oxidoreductase domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR005983	Potassium channel, voltage-dependent, beta subunit, KCNAB	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR036812	NAD(P)-dependent oxidoreductase domain superfamily	Homologous Superfamily

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.