2M0Q

Solution NMR analysis of intact KCNE2 in detergent micelles demonstrate a straight transmembrane helix

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	ISK_Channel	e2m0qA1	A: alpha complex topology	X: Potassium channel modulator KCNE1 (From Topology)	H: Potassium channel modulator KCNE1 (From Topology)	T: Potassium channel modulator KCNE1	F: ISK_Channel	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02060	Slow voltage-gated potassium channel (ISK_Channel)	Slow voltage-gated potassium channel	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Potassium voltage-gated channel subfamily E member 2	monoatomic cation transmembrane transporter activity gated channel activity voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization 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 voltage-gated potassium channel activity involved in ventricular cardiac muscle cell action potential repolarization monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity inorganic molecular entity transmembrane transporter activity channel activity monoatomic cation transmembrane transporter activity gated channel activity voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization 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 voltage-gated potassium channel activity involved in ventricular cardiac muscle cell action potential repolarization monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity delayed rectifier potassium channel activity protein binding binding transmembrane transporter binding potassium channel regulator activity channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity inward rectifier potassium channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity ligand-gated monoatomic cation channel activity identical protein binding	heart process cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction biological regulation action potential actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process heart process cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction biological regulation action potential actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process cellular process regulation of biological quality actin-mediated cell contraction heart contraction cardiac muscle cell action potential blood circulation regulation of membrane potential transport monoatomic ion transmembrane transport potassium ion transmembrane transport inorganic ion transmembrane transport establishment of localization metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport potassium ion transport monoatomic cation transport positive regulation of proteasomal protein catabolic process regulation of cellular process catabolic process positive regulation of protein metabolic process proteolysis involved in protein catabolic process positive regulation of biological process macromolecule catabolic process regulation of primary metabolic process positive regulation of metabolic process regulation of proteolysis regulation of proteolysis involved in protein catabolic process proteolysis positive regulation of macromolecule metabolic process protein metabolic process positive regulation of cellular process regulation of biological process regulation of protein metabolic process primary metabolic process proteasomal protein catabolic process regulation of macromolecule metabolic process protein catabolic process regulation of catabolic process positive regulation of protein catabolic process positive regulation of proteolysis involved in protein catabolic process positive regulation of catabolic process positive regulation of proteolysis regulation of proteasomal protein catabolic process metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein catabolic process membrane repolarization regulation of membrane repolarization developmental process tongue development sensory organ development animal organ development anatomical structure development cardiac muscle cell membrane repolarization ventricular cardiac muscle cell membrane repolarization regulation of cardiac muscle cell membrane repolarization regulation of ventricular cardiac muscle cell membrane repolarization export from cell export across plasma membrane potassium ion export across plasma membrane membrane repolarization during action potential regulation of localization negative regulation of ion transmembrane transporter activity negative regulation of potassium ion transmembrane transporter activity negative regulation of biological process negative regulation of transport regulation of delayed rectifier potassium channel activity negative regulation of voltage-gated potassium channel activity negative regulation of cation transmembrane transport regulation of potassium ion transmembrane transporter activity regulation of monoatomic ion transport regulation of potassium ion transmembrane transport regulation of cation channel activity regulation of molecular function regulation of transmembrane transport regulation of potassium ion transport negative regulation of cation channel activity negative regulation of monoatomic ion transport regulation of transmembrane transporter activity regulation of monoatomic ion transmembrane transport negative regulation of transmembrane transport regulation of transporter activity negative regulation of monoatomic ion transmembrane transport negative regulation of delayed rectifier potassium channel activity negative regulation of cellular process regulation of metal ion transport negative regulation of potassium ion transport regulation of monoatomic ion transmembrane transporter activity regulation of transport negative regulation of transporter activity negative regulation of molecular function negative regulation of potassium ion transmembrane transport regulation of monoatomic cation transmembrane transport membrane repolarization during cardiac muscle cell action potential ventricular cardiac muscle cell action potential membrane repolarization during ventricular cardiac muscle cell action potential cellular response to stimulus cellular response to chemical stimulus response to stimulus response to chemical cellular response to xenobiotic stimulus response to xenobiotic stimulus 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 regulation of heart contraction regulation of system process regulation of blood circulation cardiac conduction regulation of multicellular organismal process regulation of heart rate by cardiac conduction regulation of heart rate	cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane cell surface membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle lytic vacuole vacuole cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane cell surface membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle lytic vacuole vacuole cytoplasm intracellular membrane-bounded organelle lysosome 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005425	Potassium channel, voltage-dependent, beta subunit, KCNE2	Family
A	IPR000369	Potassium channel, voltage-dependent, beta subunit, KCNE	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9Y6J6	long QT syndrome atrial fibrillation atrial fibrillation, familial, 4 long QT syndrome 6 familial atrial fibrillation ventricular fibrillation heart disease Paroxysmal atrial fibrillation Crohn disease familial long QT syndrome hypertrophic cardiomyopathy myocardial infarction atrial fibrillation, familial, 1 autosomal dominant cardiac arrhythmia (Kuhn) Down syndrome long QT syndrome atrial fibrillation atrial fibrillation, familial, 4 long QT syndrome 6 familial atrial fibrillation ventricular fibrillation heart disease Paroxysmal atrial fibrillation Crohn disease familial long QT syndrome hypertrophic cardiomyopathy myocardial infarction atrial fibrillation, familial, 1 autosomal dominant cardiac arrhythmia (Kuhn) Down syndrome gastric carcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia atrial fibrillation, familial, 3 cardiomyopathy long QT syndrome 1

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM				Voltage-gated K+ channel accessory protein (MinK)

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

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.