3UKV

Structure of the C-linker/CNBHD of zELK channels in P 1 21 1 space group, crystallized in the presence of cAMP

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth B]	d3ukvb_	All beta proteins	Double-stranded beta-helix	cAMP-binding domain-like	automated matches	automated matches	leopard danio,zebra danio,zebra fish (Danio rerio ) [TaxId: 7955 ],	SCOPe (2.08)
B [auth A]	d3ukva_	All beta proteins	Double-stranded beta-helix	cAMP-binding domain-like	automated matches	automated matches	leopard danio,zebra danio,zebra fish (Danio rerio ) [TaxId: 7955 ],	SCOPe (2.08)
C	d3ukvc_	All beta proteins	Double-stranded beta-helix	cAMP-binding domain-like	automated matches	automated matches	leopard danio,zebra danio,zebra fish (Danio rerio ) [TaxId: 7955 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	PF00027	e3ukvB1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF00027	ECOD (1.6)
B [auth A]	PF00027	e3ukvA1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF00027	ECOD (1.6)
C	PF00027	e3ukvC1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF00027	ECOD (1.6)
D	PF00027	e3ukvD1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: PF00027	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	2.60.120.10	Mainly Beta	Sandwich	Jelly Rolls	Jelly Rolls	CATH (4.3.0)
B [auth A]	2.60.120.10	Mainly Beta	Sandwich	Jelly Rolls	Jelly Rolls	CATH (4.3.0)
C	1.10.1200.260	Mainly Alpha	Orthogonal Bundle	Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein	Chain A	CATH (4.3.0)
C	2.60.120.10	Mainly Beta	Sandwich	Jelly Rolls	Jelly Rolls	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A], C, D	PF00520	Ion transport protein (Ion_trans)	Ion transport protein	-	Family
A [auth B], B [auth A], C, D	PF00027	Cyclic nucleotide-binding domain (cNMP_binding)	Cyclic nucleotide-binding domain	This domain sensor domain can bind cAMP, cGMP, c-di-GMP, oxygen and 2-oxoglutarate (Matilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043).	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth A], C, D	Novel protein similar to vertebrate potassium voltage-gated channel, subfamily H (Eag-related) family	monoatomic cation transmembrane transporter activity potassium ion 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 protein binding binding CNBH domain intrinsic ligand binding monoatomic ion channel activity potassium channel activity monoatomic cation channel activity monoatomic cation transmembrane transporter activity potassium ion 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 protein binding binding CNBH domain intrinsic ligand binding monoatomic ion channel activity potassium channel activity monoatomic cation channel activity passive transmembrane transporter activity channel activity gated channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity voltage-gated potassium channel activity identical protein binding	localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport monoatomic ion transmembrane transport potassium ion transmembrane transport inorganic ion transmembrane transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport cellular process localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport monoatomic ion transmembrane transport potassium ion transmembrane transport inorganic ion transmembrane transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport cellular process biological regulation regulation of biological quality regulation of membrane potential import into cell import across plasma membrane inorganic cation import across plasma membrane inorganic ion import across plasma membrane potassium ion import across plasma membrane	cell periphery plasma membrane membrane cellular anatomical entity 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 [auth B], B [auth A], C, D	IPR005821	Ion transport domain	Domain
A [auth B], B [auth A], C, D	IPR003938	Potassium channel, voltage-dependent, EAG/ELK/ERG	Family
A [auth B], B [auth A], C, D	IPR000014	PAS domain	Domain
A [auth B], B [auth A], C, D	IPR000595	Cyclic nucleotide-binding domain	Domain
A [auth B], B [auth A], C, D	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily
A [auth B], B [auth A], C, D	IPR035965	PAS domain superfamily	Homologous Superfamily
A [auth B], B [auth A], C, D	IPR001610	PAC motif	Repeat
A [auth B], B [auth A], C, D	IPR000700	PAS-associated, C-terminal	Domain
A [auth B], B [auth A], C, D	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily
A [auth B], B [auth A], C, D	IPR003950	Potassium channel, voltage-dependent, ELK	Family

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.