Q9LNV3 · STP2_ARATH

Function

function

Mediates an active uptake of hexoses, probably by sugar/hydrogen symport. Can transport glucose, 3-O-methylglucose, xylose, mannose, fructose and galactose.

Kinetics

KM SUBSTRATE pH TEMPERATURE[C] NOTES EVIDENCE
50 μMgalactose
20 μM3-O-methylglucose

GO annotations

all annotationsall molecular functionnucleotide bindingmolecular_functionnucleic acid bindingdna bindingchromatin bindingdna-binding transcription factor activityrna bindingcytoskeletal motor activitycatalytic activitynuclease activitysignaling receptor bindingstructural molecule activitytransporter activitybindingprotein bindingtranslation factor activity, rna bindinglipid bindingkinase activitytransferase activityhydrolase activityoxygen bindingenzyme regulator activitycarbohydrate bindingsignaling receptor activitytranslation regulator activitytranscription regulator activityother molecular functionall biological processcarbohydrate metabolic processgeneration of precursor metabolites and energynucleobase-containing compound metabolic processdna metabolic processtranslationlipid metabolic processtransportresponse to stresscell cyclecell communicationsignal transductioncell-cell signalingmulticellular organism developmentcircadian rhythmbiological_processmetabolic processcatabolic processbiosynthetic processresponse to light stimulusresponse to external stimulustropismresponse to biotic stimulusresponse to abiotic stimulusresponse to endogenous stimulusembryo developmentpost-embryonic developmentfruit ripeningabscissionpollinationflower developmentcellular processprogrammed cell deathphotosynthesiscellular component organizationcell growthprotein metabolic processcellular homeostasissecondary metabolic processreproductive processcell differentiationprotein modification processgrowthepigenetic regulation of gene expressionresponse to chemicalanatomical structure developmentregulation of molecular functionother biological processall cellular componentcellular_componentextracellular regioncell wallintracellular anatomical structurenucleusnuclear envelopenucleoplasmnucleoluscytoplasmmitochondrionlysosomeendosomevacuoleperoxisomeendoplasmic reticulumgolgi apparatuscytosolribosomecytoskeletonplasma membranechloroplastplastidthylakoidmembraneexternal encapsulating structureother cellular component
Cell color indicative of number of GO terms
AspectTerm
Cellular Componentmembrane
Molecular Functionmonosaccharide transmembrane transporter activity
Molecular Functionsymporter activity
Biological Processmonosaccharide transmembrane transport
Biological Processpollen development

Keywords

Enzyme and pathway databases

Protein family/group databases

Names & Taxonomy

Protein names

  • Recommended name
    Sugar transport protein 2
  • Alternative names
    • Hexose transporter 2

Gene names

    • Name
      STP2
    • ORF names
      F22G5.32
    • Ordered locus names
      At1g07340

Organism names

  • Taxonomic identifier
  • Strain
    • cv. Columbia
  • Taxonomic lineage
    Eukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > rosids > malvids > Brassicales > Brassicaceae > Camelineae > Arabidopsis

Accessions

  • Primary accession
    Q9LNV3
  • Secondary accessions
    • Q9SMV5

Proteomes

Organism-specific databases

Genome annotation databases

Subcellular Location

Features

Showing features for topological domain, transmembrane.

TypeIDPosition(s)Description
Topological domain1-22Cytoplasmic
Transmembrane23-43Helical; Name=1
Transmembrane80-100Helical; Name=2
Transmembrane117-137Helical; Name=3
Transmembrane140-160Helical; Name=4
Transmembrane167-187Helical; Name=5
Transmembrane200-220Helical; Name=6
Transmembrane288-308Helical; Name=7
Transmembrane320-340Helical; Name=8
Transmembrane348-368Helical; Name=9
Transmembrane381-401Helical; Name=10
Transmembrane421-441Helical; Name=11
Transmembrane450-470Helical; Name=12
Topological domain471-498Cytoplasmic

Keywords

PTM/Processing

Features

Showing features for chain.

TypeIDPosition(s)Description
ChainPRO_00000504321-498Sugar transport protein 2

Proteomic databases

Expression

Tissue specificity

Pollen specific (at protein level).

Developmental stage

Specifically expressed in pollen grains when the callose of microspores tetrads undergoes degradation, between early tetrad and late trinucleate stages (at protein level).

Gene expression databases

Interaction

Binary interactions

TypeEntry 1Entry 2Number of experimentsIntact
BINARY Q9LNV3MKK7 Q9LPQ33EBI-25512884, EBI-2128593
BINARY Q9LNV3MPK1 Q390213EBI-25512884, EBI-1238932

Protein-protein interaction databases

Structure

Family & Domains

Sequence similarities

Keywords

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    498
  • Mass (Da)
    55,023
  • Last updated
    2009-09-22 v3
  • Checksum
    CEA14ED417C93F93
MAVGSMNVEEGTKAFPAKLTGQVFLCCVIAAVGGLMFGYDIGISGGVTSMDTFLLDFFPHVYEKKHRVHENNYCKFDDQLLQLFTSSLYLAGIFASFISSYVSRAFGRKPTIMLASIFFLVGAILNLSAQELGMLIGGRILLGFGIGFGNQTVPLFISEIAPARYRGGLNVMFQFLITIGILAASYVNYLTSTLKNGWRYSLGGAAVPALILLIGSFFIHETPASLIERGKDEKGKQVLRKIRGIEDIELEFNEIKYATEVATKVKSPFKELFTKSENRPPLVCGTLLQFFQQFTGINVVMFYAPVLFQTMGSGDNASLISTVVTNGVNAIATVISLLVVDFAGRRCLLMEGALQMTATQMTIGGILLAHLKLVGPITGHAVPLIVLILICVYVSGFAWSWGPLGWLVPSEIYPLEVRNAGYFCAVAMNMVCTFIIGQFFLSALCRFRSLLFFFFGIMNIIMGLFVVFFLPETKGVPIEEMAEKRWKTHPRWKKYFKD

Sequence caution

The sequence AAF79565.1 differs from that shown. Reason: Erroneous gene model prediction
The sequence AAF79565.1 differs from that shown. Reason: Frameshift
The sequence BX813610 differs from that shown. Reason: Miscellaneous discrepancy Sequencing errors.

Keywords

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
AC022464
EMBL· GenBank· DDBJ
AAF79565.1
EMBL· GenBank· DDBJ
Genomic DNA Sequence problems.
CP002684
EMBL· GenBank· DDBJ
AEE28111.1
EMBL· GenBank· DDBJ
Genomic DNA
BX813610
EMBL· GenBank· DDBJ
-mRNA No translation available.
AJ001362
EMBL· GenBank· DDBJ
CAB59188.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

Similar Proteins

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