Annotations: 7WSW

Cryo-EM structure of the Potassium channel AKT1 from Arabidopsis thaliana

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: mpstruc

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth C]	MIF4G	e7wswC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
C [auth D]	MIF4G	e7wswD1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
B	MIF4G	e7wswB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
A	DnaJ	e7wswA01	A: beta barrels	X: Fe-binding domain in prismane-like proteins	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: DnaJ	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C [auth D], D [auth C]	PF00520	Ion transport protein (Ion_trans)	Ion transport protein	-	Family
A, B, C [auth D], D [auth C]	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, B, C [auth D], D [auth C]	Potassium channel AKT1	inward rectifier potassium channel 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 ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity channel activity inward rectifier potassium channel 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 ligand-gated channel activity ligand-gated monoatomic ion 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 ligand-gated monoatomic cation channel activity transmembrane transporter activity identical protein binding protein binding binding	localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport response to acid chemical response to stimulus response to stress response to chemical response to oxygen-containing compound response to abiotic stimulus response to water localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport response to acid chemical response to stimulus response to stress response to chemical response to oxygen-containing compound response to abiotic stimulus response to water response to water deprivation multicellular organismal process plant epidermal cell differentiation cellular developmental process developmental growth plant epidermis development cell development cell growth multicellular organism development root hair cell development cell differentiation anatomical structure development cell maturation root development trichoblast differentiation system development developmental process root hair elongation plant organ development developmental cell growth root morphogenesis root epidermal cell differentiation growth root hair cell differentiation developmental maturation tissue development developmental growth involved in morphogenesis plant organ morphogenesis anatomical structure morphogenesis trichoblast maturation anatomical structure maturation cellular process root system development regulation of stomatal movement stomatal closure regulation of biological process regulation of cellular process stomatal movement regulation of stomatal closure biological regulation import into cell monoatomic ion transmembrane transport import across plasma membrane potassium ion transmembrane transport inorganic cation import across plasma membrane monoatomic cation transmembrane transport transmembrane transport inorganic ion import across plasma membrane potassium ion import across plasma membrane response to osmotic stress response to salt stress	cell periphery cellular anatomical structure plasma membrane membrane 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 [auth D], D [auth C]	IPR002110	Ankyrin repeat	Repeat
A, B, C [auth D], D [auth C]	IPR005821	Ion transport domain	Domain
A, B, C [auth D], D [auth C]	IPR003938	Potassium channel, voltage-dependent, EAG/ELK/ERG-like	Family
A, B, C [auth D], D [auth C]	IPR045319	Potassium channel KAT/AKT	Family
A, B, C [auth D], D [auth C]	IPR000595	Cyclic nucleotide-binding domain	Domain
A, B, C [auth D], D [auth C]	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
A, B, C [auth D], D [auth C]	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily
A, B, C [auth D], D [auth C]	IPR021789	KHA domain	Domain
A, B, C [auth D], D [auth C]	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C [auth D], D [auth C]	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	Plant inwardly rectifying potassium channel

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C [auth D], D [auth C]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Potassium, Sodium, & Proton Ion-Selective	AKT1 K⁺ hyperpolization-activated channel

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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.