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Entry version 63 (02 Jun 2021)
Sequence version 1 (11 Jul 2012)
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Protein

Potassium voltage-gated channel subfamily B member 1

Gene

KCNB1

Organism
Ictidomys tridecemlineatus (Thirteen-lined ground squirrel) (Spermophilus tridecemlineatus)
Status
Unreviewed-Annotation score:

Annotation score:3 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>
-Protein inferred from homologyi <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

<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 channelARBA annotation, Voltage-gated channelARBA annotation
Biological processExocytosisARBA annotation, Ion transport, Potassium transport, Transport
LigandPotassium

<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%5Fand%5Ftaxonomy%5Fsection">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 B member 1ARBA annotation
Alternative name(s):
Voltage-gated potassium channel subunit Kv2.1ARBA annotation
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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:KCNB1Imported
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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>OrganismiIctidomys tridecemlineatus (Thirteen-lined ground squirrel) (Spermophilus tridecemlineatus)Imported
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 identifieri43179 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaSciuromorphaSciuridaeXerinaeMarmotiniIctidomys
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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
  • UP000005215 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">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: Unassembled WGS sequence

<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

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'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>Transmembranei186 – 208HelicalSequence analysisAdd BLAST23
Transmembranei228 – 249HelicalSequence analysisAdd BLAST22
Transmembranei331 – 351HelicalSequence analysisAdd BLAST21
Transmembranei363 – 380HelicalSequence analysisAdd BLAST18
Transmembranei392 – 416HelicalSequence analysisAdd BLAST25

Keywords - Cellular componenti

Cell junction, Cell projectionARBA annotation, Membrane, Postsynaptic cell membraneARBA annotation, Synapse, SynaptosomeARBA annotation

<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

Keywords - PTMi

Isopeptide bondARBA annotation, PhosphoproteinARBA annotation, Ubl conjugationARBA annotation

<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

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
43179.ENSSTOP00000016971

<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

<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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini31 – 140BTBInterPro annotationAdd BLAST110

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni1 – 21DisorderedSequence analysisAdd BLAST21
Regioni486 – 521DisorderedSequence analysisAdd BLAST36
Regioni534 – 571DisorderedSequence analysisAdd BLAST38
Regioni762 – 850DisorderedSequence analysisAdd BLAST89

Coiled coil

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and domains' section denotes the positions of regions of coiled coil within the protein.<p><a href='/help/coiled' target='_top'>More...</a></p>Coiled coili134 – 165Sequence analysisAdd BLAST32

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes the position of regions of compositional bias within the protein and the particular type of amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi486 – 503Polar residuesSequence analysisAdd BLAST18
Compositional biasi534 – 548Polar residuesSequence analysisAdd BLAST15
Compositional biasi763 – 777Polar residuesSequence analysisAdd BLAST15

<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

Keywords - Domaini

Coiled coilSequence analysis, Transmembrane, Transmembrane helixSequence analysisARBA annotation

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG3713, Eukaryota

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000154899

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_011722_2_1_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
I3MXX6

Identification of Orthologs from Complete Genome Data

More...
OMAi
AFNFHDA

Database of Orthologous Groups

More...
OrthoDBi
203440at2759

TreeFam database of animal gene trees

More...
TreeFami
TF313103

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.20.120.350, 1 hit
3.30.710.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR000210, BTB/POZ_dom
IPR005821, Ion_trans_dom
IPR003968, K_chnl_volt-dep_Kv
IPR003973, K_chnl_volt-dep_Kv2
IPR004350, K_chnl_volt-dep_Kv2.1
IPR011333, SKP1/BTB/POZ_sf
IPR003131, T1-type_BTB
IPR028325, VG_K_chnl
IPR027359, Volt_channel_dom_sf

The PANTHER Classification System

More...
PANTHERi
PTHR11537, PTHR11537, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02214, BTB_2, 1 hit
PF00520, Ion_trans, 1 hit
PF03521, Kv2channel, 2 hits

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR01514, KV21CHANNEL
PR01491, KVCHANNEL
PR01495, SHABCHANNEL

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00225, BTB, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF54695, SSF54695, 1 hit

<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%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequence (1+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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.

This entry has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

I3MXX6-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MPAGMTKHGS RSTSSLPPEP MEIVRSKACS RRVRLNVGGL AHEVLWRTLD
60 70 80 90 100
RLPRTRLGKL RDCNTHDSLL EVCDDYSLDD NEYFFDRHPG AFTSILNFYR
110 120 130 140 150
TGRLHMMEEM CALSFSQELD YWGIDEIYLE SCCQARYHQK KEQMNEELKR
160 170 180 190 200
EAETLREREG EEFDNTCCAE KRKKLWDLLE KPNSSVAAKI LAIISIMFIV
210 220 230 240 250
LSTIALSLNT LPELQSLDEF GQSTDNPQLA HVEAVCIAWF TMEYLLRFLS
260 270 280 290 300
SPKKWKFFKG PLNAIDLLAI LPYYVTIFLT ESNKSVLQFQ NVRRVVQIFR
310 320 330 340 350
IMRILRILKL ARHSTGLQSL GFTLRRSYNE LGLLILFLAM GIMIFSSLVF
360 370 380 390 400
FAEKDEDDTK FKSIPASFWW ATITMTTVGY GDIYPKTLLG KIVGGLCCIA
410 420 430 440 450
GVLVIALPIP IIVNNFSEFY KEQKRQEKAI KRREALERAK RNGSIVSMNM
460 470 480 490 500
KDAFARSIEM MDIVIEKNGD KKDKLQDNHL SPNKWKWTKR TLSETSSSKS
510 520 530 540 550
FETKEQGSPE KARSSSSPQH LNVQQLEDMY NKMAKTQSQP ILTTKEPATQ
560 570 580 590 600
SKPKEELEME SIPSPVAPLP TRTEGVIDMR SMSSIDSFIS CATDFPEATR
610 620 630 640 650
FSHSPLASLP TKAGASTAPE VGWRGALGAS GGRLGEASAT PDGSHSSSFL
660 670 680 690 700
IESPKSSIKT HNPLKLRALK VNFMEGDPSP LLPVLGMYPD PLRNRGGAAA
710 720 730 740 750
AVAGLERATL LDKPVLSPES SVYTTASART PPRSPKRPSA VAFSFEAGVH
760 770 780 790 800
QYIDADTDDE GQLLYSVDSS PPRSVHGGTS PKLSLGPRAD RNHLESTPVP
810 820 830 840 850
TSPKPLPQNC LCPAEALAGR GPGAQGNHLP PDVRVRPGGG ALGSSKDQSL
Length:850
Mass (Da):94,408
Last modified:July 11, 2012 - 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:i7240CC8959ED3B4B
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
A0A287D1T8A0A287D1T8_ICTTR
Potassium voltage-gated channel sub...
KCNB1
859Annotation score:

Annotation score:4 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>

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AGTP01038288 Genomic DNA No translation available.
AGTP01038289 Genomic DNA No translation available.
AGTP01038290 Genomic DNA No translation available.
AGTP01038291 Genomic DNA No translation available.
AGTP01038292 Genomic DNA No translation available.
AGTP01038293 Genomic DNA No translation available.

NCBI Reference Sequences

More...
RefSeqi
XP_005325280.1, XM_005325223.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSSTOT00000027265; ENSSTOP00000016971; ENSSTOG00000026242

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
101963904

<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
AGTP01038288 Genomic DNA No translation available.
AGTP01038289 Genomic DNA No translation available.
AGTP01038290 Genomic DNA No translation available.
AGTP01038291 Genomic DNA No translation available.
AGTP01038292 Genomic DNA No translation available.
AGTP01038293 Genomic DNA No translation available.
RefSeqiXP_005325280.1, XM_005325223.1

3D structure databases

Database of comparative protein structure models

More...
ModBasei
Search...

SWISS-MODEL Interactive Workspace

More...
SWISS-MODEL-Workspacei
Submit a new modelling project...

Protein-protein interaction databases

STRINGi43179.ENSSTOP00000016971

Genome annotation databases

EnsembliENSSTOT00000027265; ENSSTOP00000016971; ENSSTOG00000026242
GeneIDi101963904

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
3745

Phylogenomic databases

eggNOGiKOG3713, Eukaryota
GeneTreeiENSGT00940000154899
HOGENOMiCLU_011722_2_1_1
InParanoidiI3MXX6
OMAiAFNFHDA
OrthoDBi203440at2759
TreeFamiTF313103

Family and domain databases

Gene3Di1.20.120.350, 1 hit
3.30.710.10, 1 hit
InterProiView protein in InterPro
IPR000210, BTB/POZ_dom
IPR005821, Ion_trans_dom
IPR003968, K_chnl_volt-dep_Kv
IPR003973, K_chnl_volt-dep_Kv2
IPR004350, K_chnl_volt-dep_Kv2.1
IPR011333, SKP1/BTB/POZ_sf
IPR003131, T1-type_BTB
IPR028325, VG_K_chnl
IPR027359, Volt_channel_dom_sf
PANTHERiPTHR11537, PTHR11537, 1 hit
PfamiView protein in Pfam
PF02214, BTB_2, 1 hit
PF00520, Ion_trans, 1 hit
PF03521, Kv2channel, 2 hits
PRINTSiPR01514, KV21CHANNEL
PR01491, KVCHANNEL
PR01495, SHABCHANNEL
SMARTiView protein in SMART
SM00225, BTB, 1 hit
SUPFAMiSSF54695, SSF54695, 1 hit

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
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 nameiI3MXX6_ICTTR
<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: I3MXX6
<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%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/TrEMBL: July 11, 2012
Last sequence update: July 11, 2012
Last modified: June 2, 2021
This is version 63 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 statusiUnreviewed (UniProtKB/TrEMBL)

<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

Reference proteomeImported
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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