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Entry version 139 (23 Feb 2022)
Sequence version 2 (20 Apr 2010)
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Protein

Proton myo-inositol cotransporter

Gene

Slc2a13

Organism
Rattus norvegicus (Rat)
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

H+-myo-inositol cotransporter (PubMed:11500374).

Can also transport related stereoisomers (PubMed:11500374).

1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<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

Biological processTransport

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-RNO-429593, Inositol transporters

<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:
Proton myo-inositol cotransporterCurated
Short name:
H(+)-myo-inositol cotransporter1 Publication
Short name:
Hmit1 Publication
Alternative name(s):
H(+)-myo-inositol symporter1 Publication
Solute carrier family 2 member 13
<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:Slc2a13Imported
<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>OrganismiRattus norvegicus (Rat)
<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 identifieri10116 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<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
  • UP000002494 <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: Chromosome 7

Organism-specific databases

Rat genome database

More...
RGDi
621814, Slc2a13

<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 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 domaini1 – 65CytoplasmicSequence analysisAdd BLAST65
<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>Transmembranei66 – 86Helical; Name=1Sequence analysisAdd BLAST21
Topological domaini87 – 114ExtracellularSequence analysisAdd BLAST28
Transmembranei115 – 135Helical; Name=2Sequence analysisAdd BLAST21
Topological domaini136 – 137CytoplasmicSequence analysis2
Transmembranei138 – 158Helical; Name=3Sequence analysisAdd BLAST21
Topological domaini159 – 167ExtracellularSequence analysis9
Transmembranei168 – 188Helical; Name=4Sequence analysisAdd BLAST21
Topological domaini189 – 201CytoplasmicSequence analysisAdd BLAST13
Transmembranei202 – 222Helical; Name=5Sequence analysisAdd BLAST21
Topological domaini223 – 228ExtracellularSequence analysis6
Transmembranei229 – 249Helical; Name=6Sequence analysisAdd BLAST21
Topological domaini250 – 313CytoplasmicSequence analysisAdd BLAST64
Transmembranei314 – 334Helical; Name=7Sequence analysisAdd BLAST21
Topological domaini335 – 352ExtracellularSequence analysisAdd BLAST18
Transmembranei353 – 373Helical; Name=8Sequence analysisAdd BLAST21
Topological domaini374 – 382CytoplasmicSequence analysis9
Transmembranei383 – 403Helical; Name=9Sequence analysisAdd BLAST21
Topological domaini404 – 497ExtracellularSequence analysisAdd BLAST94
Transmembranei498 – 518Helical; Name=10Sequence analysisAdd BLAST21
Topological domaini519 – 538CytoplasmicSequence analysisAdd BLAST20
Transmembranei539 – 559Helical; Name=11Sequence analysisAdd BLAST21
Topological domaini560 – 562ExtracellularSequence analysis3
Transmembranei563 – 583Helical; Name=12Sequence analysisAdd BLAST21
Topological domaini584 – 637CytoplasmicSequence analysisAdd BLAST54

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 or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000504571 – 637Proton myo-inositol cotransporterAdd BLAST637

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<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 residuei6PhosphoserineBy similarity1
Modified residuei44PhosphoserineCombined sources1
Modified residuei47PhosphoserineCombined sources1
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">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>Glycosylationi422N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi447N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi474N-linked (GlcNAc...) asparagineSequence analysis1
Modified residuei629PhosphoserineCombined sources1
Modified residuei634PhosphoserineCombined sources1

Keywords - PTMi

Glycoprotein, Phosphoprotein

Proteomic databases

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

More...
PaxDbi
Q921A2

PTM databases

GlyGen: Computational and Informatics Resources for Glycoscience

More...
GlyGeni
Q921A2, 3 sites

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q921A2

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

More...
PhosphoSitePlusi
Q921A2

<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

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSRNOG00000015741, Expressed in Ammon's horn and 20 other tissues

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q921A2, RN

<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

GO - Molecular functioni

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000021153

<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

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

More...
SMRi
Q921A2

Database of comparative protein structure models

More...
ModBasei
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

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>Regioni16 – 38DisorderedSequence analysisAdd BLAST23

<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

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0254, Eukaryota

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000155870

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_001265_30_5_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q921A2

Identification of Orthologs from Complete Genome Data

More...
OMAi
TGWRWMV

Database of Orthologous Groups

More...
OrthoDBi
326501at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q921A2

TreeFam database of animal gene trees

More...
TreeFami
TF314916

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.20.1250.20, 2 hits

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR020846, MFS_dom
IPR005828, MFS_sugar_transport-like
IPR036259, MFS_trans_sf
IPR003663, Sugar/inositol_transpt
IPR005829, Sugar_transporter_CS

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00083, Sugar_tr, 2 hits

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00171, SUGRTRNSPORT

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF103473, SSF103473, 2 hits

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00879, SP, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS50850, MFS, 1 hit
PS00216, SUGAR_TRANSPORT_1, 1 hit
PS00217, SUGAR_TRANSPORT_2, 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>Sequencei

<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.

Q921A2-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSRKASEDVE YTLRSLSSLM GERRRRQPEP GAPGGERSLL AAESAASLQG
60 70 80 90 100
AELERAARRQ FQRDETPAFV YAAAAFSALG GFLFGYDTGV VSGAMLLLRR
110 120 130 140 150
QMRLGAMWQE LLVSGAVGAA AVAALAGGAL NGALGRRSAI LLASALCTVG
160 170 180 190 200
SAVLAAAANK ETLLAGRLVV GLGIGIASMT VPVYIAEVSP PNLRGRLVTI
210 220 230 240 250
NTLFITGGQF FASVVDGAFS YLQKDGWRYM LGLAAIPAVI QFLGFLFLPE
260 270 280 290 300
SPRWLIQKGQ TQKARRILSQ MRGNQTIDEE YDSIRNSIEE EEKEASAAGP
310 320 330 340 350
IICRMLSYPP TRRALAVGCG LQMFQQLSGI NTIMYYSATI LQMSGVEDDR
360 370 380 390 400
LAIWLASITA FTNFIFTLVG VWLVEKVGRR KLTFGSLAGT TVALTILALG
410 420 430 440 450
FLLSAQVSPR VTFRPTAPSG QNATCTEYSY CNECMLDPDC GFCYKINSSA
460 470 480 490 500
VIDSSCVPVN KASTNEAAWG RCENETKFKA EDVHWAYSFC PTPYSWTALV
510 520 530 540 550
GLVLYLVFFA PGMGPMPWTV NSEIYPLWAR STGNACSAGI NWIFNVLVSL
560 570 580 590 600
TFLHTAEYLT YYGAFFLYAG FAAVGLLFVY GCLPETKGKK LEEIESLFDH
610 620 630
RLCTCGTADS DEGRYIEYIR VKGSNYHLSD NDASDVE
Length:637
Mass (Da):69,149
Last modified:April 20, 2010 - v2
<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:iE8539A372600FBD9
GO

<p>This subsection of the 'Sequence' section reports difference(s) between the protein sequence shown in the UniProtKB entry and other available protein sequences derived from the same gene.<p><a href='/help/sequence_caution' target='_top'>More...</a></p>Sequence cautioni

The sequence CAC51117 differs from that shown. Reason: Erroneous initiation. Truncated N-terminus.Curated

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
AJ315643 mRNA Translation: CAC51117.1 Different initiation.

NCBI Reference Sequences

More...
RefSeqi
NP_598295.2, NM_133611.2

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000021153; ENSRNOP00000021153; ENSRNOG00000015741

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
171147

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:171147

<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
AJ315643 mRNA Translation: CAC51117.1 Different initiation.
RefSeqiNP_598295.2, NM_133611.2

3D structure databases

SMRiQ921A2
ModBaseiSearch...

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000021153

PTM databases

GlyGeniQ921A2, 3 sites
iPTMnetiQ921A2
PhosphoSitePlusiQ921A2

Proteomic databases

PaxDbiQ921A2

Genome annotation databases

EnsembliENSRNOT00000021153; ENSRNOP00000021153; ENSRNOG00000015741
GeneIDi171147
KEGGirno:171147

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
114134
RGDi621814, Slc2a13

Phylogenomic databases

eggNOGiKOG0254, Eukaryota
GeneTreeiENSGT00940000155870
HOGENOMiCLU_001265_30_5_1
InParanoidiQ921A2
OMAiTGWRWMV
OrthoDBi326501at2759
PhylomeDBiQ921A2
TreeFamiTF314916

Enzyme and pathway databases

ReactomeiR-RNO-429593, Inositol transporters

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q921A2

Gene expression databases

BgeeiENSRNOG00000015741, Expressed in Ammon's horn and 20 other tissues
GenevisibleiQ921A2, RN

Family and domain databases

Gene3Di1.20.1250.20, 2 hits
InterProiView protein in InterPro
IPR020846, MFS_dom
IPR005828, MFS_sugar_transport-like
IPR036259, MFS_trans_sf
IPR003663, Sugar/inositol_transpt
IPR005829, Sugar_transporter_CS
PfamiView protein in Pfam
PF00083, Sugar_tr, 2 hits
PRINTSiPR00171, SUGRTRNSPORT
SUPFAMiSSF103473, SSF103473, 2 hits
TIGRFAMsiTIGR00879, SP, 1 hit
PROSITEiView protein in PROSITE
PS50850, MFS, 1 hit
PS00216, SUGAR_TRANSPORT_1, 1 hit
PS00217, SUGAR_TRANSPORT_2, 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 nameiMYCT_RAT
<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: Q921A2
<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/Swiss-Prot: August 16, 2004
Last sequence update: April 20, 2010
Last modified: February 23, 2022
This is version 139 of the entry and version 2 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

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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