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Protein

Potassium voltage-gated channel subfamily E member 1

Gene

Kcne1

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Ancillary protein that assembles as a beta subunit with a voltage-gated potassium channel complex of pore-forming alpha subunits. Modulates the gating kinetics and enhances stability of the channel complex. Assembled with KCNB1 modulates the gating characteristics of the delayed rectifier voltage-dependent potassium channel KCNB1. Assembled with KCNQ1/KVLQT1 is proposed to form the slowly activating delayed rectifier cardiac potassium (IKs) channel. The outward current reaches its steady state only after 50 seconds. Assembled with KCNH2/HERG may modulate the rapidly activating component of the delayed rectifying potassium current in heart (IKr).By similarity

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionIon channel, Potassium channel, Voltage-gated channel
Biological processIon transport, Potassium transport, Transport
LigandPotassium

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-MMU-5576890 Phase 3 - rapid repolarisation
R-MMU-5576893 Phase 2 - plateau phase

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Potassium voltage-gated channel subfamily E member 1
Alternative name(s):
Delayed rectifier potassium channel subunit IsK
Short name:
mISK
IKs producing slow voltage-gated potassium channel subunit beta Mink
Minimal potassium channel
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:Kcne1
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiMus musculus (Mouse)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri10090 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000589 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 16

Organism-specific databases

Mouse genome database (MGD) from Mouse Genome Informatics (MGI)

More...
MGIi
MGI:96673 Kcne1

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei44 – 66HelicalSequence analysisAdd BLAST23
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini67 – 129CytoplasmicSequence analysisAdd BLAST63

Keywords - Cellular componenti

Cell membrane, Membrane

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001442791 – 129Potassium voltage-gated channel subfamily E member 1Add BLAST129

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi5N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi7O-linked (GalNAc...) threonineBy similarity1
Glycosylationi26N-linked (GlcNAc...) asparagineSequence analysis1
<p>This subsection of the ‘PTM / Processing’ section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei102Phosphoserine; by PKCBy similarity1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Phosphorylation inhibits the potassium current.By similarity
N-glycosylation at Asn-26 occurs post-translationally, and requires prior cotranslational glycosylation at Asn-5.By similarity

Keywords - PTMi

Glycoprotein, Phosphoprotein

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
P23299

PRoteomics IDEntifications database

More...
PRIDEi
P23299

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P23299

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
P23299

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

<p>This subsection of the ‘Expression’ section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at protein level’. <br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

Restrictively localized in the apical membrane portion of epithelial cells.

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSMUSG00000039639 Expressed in 64 organ(s), highest expression level in stria vascularis of cochlear duct

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
P23299 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P23299 MM

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Interacts with KCNB1. Interacts with KCNC2 (By similarity). Associates with KCNH2/HERG. Interacts with KCNQ1; targets the complex KCNQ1-KCNE1 to the membrane raft (By similarity) (PubMed:8900282).By similarity1 Publication

GO - Molecular functioni

Protein-protein interaction databases

ComplexPortal: manually curated resource of macromolecular complexes

More...
ComplexPortali
CPX-3198 Voltage-gated potassium channel complex variant 1
CPX-3274 KCNQ1-KCNE1 I(Ks) channel complex

STRING: functional protein association networks

More...
STRINGi
10090.ENSMUSP00000052248

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase

More...
ProteinModelPortali
P23299

SWISS-MODEL Repository - a database of annotated 3D protein structure models

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SMRi
P23299

Database of comparative protein structure models

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ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the potassium channel KCNE family.Curated

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410IY71 Eukaryota
ENOG410Y1SF LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000154497

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000113207

The HOVERGEN Database of Homologous Vertebrate Genes

More...
HOVERGENi
HBG052226

InParanoid: Eukaryotic Ortholog Groups

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InParanoidi
P23299

KEGG Orthology (KO)

More...
KOi
K04894

Identification of Orthologs from Complete Genome Data

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OMAi
ALYILMV

Database of Orthologous Groups

More...
OrthoDBi
EOG091G0UDJ

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P23299

TreeFam database of animal gene trees

More...
TreeFami
TF335976

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR000369 K_chnl_KCNE
IPR005424 K_chnl_volt-dep_bsu_KCNE1

The PANTHER Classification System

More...
PANTHERi
PTHR15282 PTHR15282, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02060 ISK_Channel, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR01604 KCNE1CHANNEL
PR00168 KCNECHANNEL

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

P23299-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSLPNSTTVL PFLARLWQET AEQGGNVSGL ARKSQLRDDS KLEALYILMV
60 70 80 90 100
LGFFGFFTLG IMLSYIRSKK LEHSHDPFNV YIESDAWQEK GKAVFQARVL
110 120
ESFRACYVIE NQAAVEQPAT HLPELKPLS
Length:129
Mass (Da):14,578
Last modified:November 1, 1991 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:iE66DF4742300E839
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
X60457 mRNA Translation: CAA42990.1
AK028907 mRNA Translation: BAC26189.1

The Consensus CDS (CCDS) project

More...
CCDSi
CCDS28336.1

Protein sequence database of the Protein Information Resource

More...
PIRi
S17307

NCBI Reference Sequences

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RefSeqi
NP_032450.1, NM_008424.3
XP_006523004.1, XM_006522941.3

UniGene gene-oriented nucleotide sequence clusters

More...
UniGenei
Mm.299425

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSMUST00000051705; ENSMUSP00000052248; ENSMUSG00000039639
ENSMUST00000166707; ENSMUSP00000130866; ENSMUSG00000039639

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
16509

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
mmu:16509

UCSC genome browser

More...
UCSCi
uc007zza.1 mouse

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X60457 mRNA Translation: CAA42990.1
AK028907 mRNA Translation: BAC26189.1
CCDSiCCDS28336.1
PIRiS17307
RefSeqiNP_032450.1, NM_008424.3
XP_006523004.1, XM_006522941.3
UniGeneiMm.299425

3D structure databases

ProteinModelPortaliP23299
SMRiP23299
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

ComplexPortaliCPX-3198 Voltage-gated potassium channel complex variant 1
CPX-3274 KCNQ1-KCNE1 I(Ks) channel complex
STRINGi10090.ENSMUSP00000052248

PTM databases

iPTMnetiP23299
PhosphoSitePlusiP23299

Proteomic databases

PaxDbiP23299
PRIDEiP23299

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSMUST00000051705; ENSMUSP00000052248; ENSMUSG00000039639
ENSMUST00000166707; ENSMUSP00000130866; ENSMUSG00000039639
GeneIDi16509
KEGGimmu:16509
UCSCiuc007zza.1 mouse

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
3753
MGIiMGI:96673 Kcne1

Phylogenomic databases

eggNOGiENOG410IY71 Eukaryota
ENOG410Y1SF LUCA
GeneTreeiENSGT00940000154497
HOGENOMiHOG000113207
HOVERGENiHBG052226
InParanoidiP23299
KOiK04894
OMAiALYILMV
OrthoDBiEOG091G0UDJ
PhylomeDBiP23299
TreeFamiTF335976

Enzyme and pathway databases

ReactomeiR-MMU-5576890 Phase 3 - rapid repolarisation
R-MMU-5576893 Phase 2 - plateau phase

Miscellaneous databases

Protein Ontology

More...
PROi
PR:P23299

The Stanford Online Universal Resource for Clones and ESTs

More...
SOURCEi
Search...

Gene expression databases

BgeeiENSMUSG00000039639 Expressed in 64 organ(s), highest expression level in stria vascularis of cochlear duct
ExpressionAtlasiP23299 baseline and differential
GenevisibleiP23299 MM

Family and domain databases

InterProiView protein in InterPro
IPR000369 K_chnl_KCNE
IPR005424 K_chnl_volt-dep_bsu_KCNE1
PANTHERiPTHR15282 PTHR15282, 1 hit
PfamiView protein in Pfam
PF02060 ISK_Channel, 1 hit
PRINTSiPR01604 KCNE1CHANNEL
PR00168 KCNECHANNEL

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiKCNE1_MOUSE
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: P23299
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1991
Last sequence update: November 1, 1991
Last modified: December 5, 2018
This is version 140 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
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