5AAR | pdb_00005aar

Structure of the ankyrin domain of an Arabidopsis Thaliana potassium channel

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	SCOP2 Family	Ankyrin repeat	8073236	4000366	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ankyrin repeat	8073237	3000154	SCOP2 (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	FlgE_D2	e5aarA1	A: a/b three-layered sandwiches	X: SH3	H: Flagellar hook protein flgE D2 domain	T: Flagellar hook protein flgE D2 domain	F: FlgE_D2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.25.40.20	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Ankyrin repeat-containing domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00023	Ankyrin repeat (Ank)	Ankyrin repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	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	IPR002110	Ankyrin repeat	Repeat
A	IPR005821	Ion transport domain	Domain
A	IPR003938	Potassium channel, voltage-dependent, EAG/ELK/ERG-like	Family
A	IPR045319	Potassium channel KAT/AKT	Family
A	IPR000595	Cyclic nucleotide-binding domain	Domain
A	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
A	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily
A	IPR021789	KHA domain	Domain
A	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily

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.