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2K21

NMR structure of human KCNE1 in LMPG micelles at pH 6.0 and 40 degree C

Functional Information from GO Data
ChainGOidnamespacecontents
A0005249molecular_functionvoltage-gated potassium channel activity
A0005251molecular_functiondelayed rectifier potassium channel activity
A0005267molecular_functionpotassium channel activity
A0005515molecular_functionprotein binding
A0005764cellular_componentlysosome
A0005886cellular_componentplasma membrane
A0006811biological_processmonoatomic ion transport
A0006813biological_processpotassium ion transport
A0007605biological_processsensory perception of sound
A0008076cellular_componentvoltage-gated potassium channel complex
A0009986cellular_componentcell surface
A0015459molecular_functionpotassium channel regulator activity
A0016020cellular_componentmembrane
A0016324cellular_componentapical plasma membrane
A0021750biological_processvestibular nucleus development
A0030018cellular_componentZ disc
A0031433molecular_functiontelethonin binding
A0033363biological_processsecretory granule organization
A0034220biological_processmonoatomic ion transmembrane transport
A0034702cellular_componentmonoatomic ion channel complex
A0042391biological_processregulation of membrane potential
A0043266biological_processregulation of potassium ion transport
A0044325molecular_functiontransmembrane transporter binding
A0045121cellular_componentmembrane raft
A0060307biological_processregulation of ventricular cardiac muscle cell membrane repolarization
A0071320biological_processcellular response to cAMP
A0071805biological_processpotassium ion transmembrane transport
A0086002biological_processcardiac muscle cell action potential involved in contraction
A0086003biological_processcardiac muscle cell contraction
A0086005biological_processventricular cardiac muscle cell action potential
A0086008molecular_functionvoltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization
A0086009biological_processmembrane repolarization
A0086011biological_processmembrane repolarization during action potential
A0086013biological_processmembrane repolarization during cardiac muscle cell action potential
A0086091biological_processregulation of heart rate by cardiac conduction
A0090315biological_processnegative regulation of protein targeting to membrane
A0097623biological_processpotassium ion export across plasma membrane
A0098915biological_processmembrane repolarization during ventricular cardiac muscle cell action potential
A1901379biological_processregulation of potassium ion transmembrane transport
A1901381biological_processpositive regulation of potassium ion transmembrane transport
A1902260biological_processnegative regulation of delayed rectifier potassium channel activity
A1902282molecular_functionvoltage-gated potassium channel activity involved in ventricular cardiac muscle cell action potential repolarization
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI2
Number of Residues62
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues20
DetailsRegion: {"description":"interaction with KCNQ1 C-terminus","evidences":[{"source":"PubMed","id":"25037568","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Interacts with the scolopendra toxin SSD609","evidences":[{"source":"PubMed","id":"26307551","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by PKC","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"21669976","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21676880","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsGlycosylation: {"description":"O-linked (GalNAc...) threonine","evidences":[{"source":"PubMed","id":"21669976","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"21676880","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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