Q9LNV3 · STP2_ARATH
- ProteinSugar transport protein 2
- GeneSTP2
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids498 (go to sequence)
- Protein existenceEvidence at protein level
- Annotation score4/5
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 μM | galactose | |||||
20 μM | 3-O-methylglucose |
GO annotations
all annotations | all molecular function | nucleotide binding | molecular_function | nucleic acid binding | dna binding | chromatin binding | dna-binding transcription factor activity | rna binding | cytoskeletal motor activity | catalytic activity | nuclease activity | signaling receptor binding | structural molecule activity | transporter activity | binding | protein binding | translation factor activity, rna binding | lipid binding | kinase activity | transferase activity | hydrolase activity | oxygen binding | enzyme regulator activity | carbohydrate binding | signaling receptor activity | translation regulator activity | transcription regulator activity | other molecular function | all biological process | carbohydrate metabolic process | generation of precursor metabolites and energy | nucleobase-containing compound metabolic process | dna metabolic process | translation | lipid metabolic process | transport | response to stress | cell cycle | cell communication | signal transduction | cell-cell signaling | multicellular organism development | circadian rhythm | biological_process | metabolic process | catabolic process | biosynthetic process | response to light stimulus | response to external stimulus | tropism | response to biotic stimulus | response to abiotic stimulus | response to endogenous stimulus | embryo development | post-embryonic development | fruit ripening | abscission | pollination | flower development | cellular process | programmed cell death | photosynthesis | cellular component organization | cell growth | protein metabolic process | cellular homeostasis | secondary metabolic process | reproductive process | cell differentiation | protein modification process | growth | epigenetic regulation of gene expression | response to chemical | anatomical structure development | regulation of molecular function | other biological process | all cellular component | cellular_component | extracellular region | cell wall | intracellular anatomical structure | nucleus | nuclear envelope | nucleoplasm | nucleolus | cytoplasm | mitochondrion | lysosome | endosome | vacuole | peroxisome | endoplasmic reticulum | golgi apparatus | cytosol | ribosome | cytoskeleton | plasma membrane | chloroplast | plastid | thylakoid | membrane | external encapsulating structure | other cellular component | |||
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Aspect | Term | |
---|---|---|
Cellular Component | membrane | |
Molecular Function | monosaccharide transmembrane transporter activity | |
Molecular Function | symporter activity | |
Biological Process | monosaccharide transmembrane transport | |
Biological Process | pollen development |
Keywords
- Biological process
Enzyme and pathway databases
Protein family/group databases
Names & Taxonomy
Protein names
- Recommended nameSugar transport protein 2
- Alternative names
Gene names
Organism names
- Strain
- Taxonomic lineageEukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > rosids > malvids > Brassicales > Brassicaceae > Camelineae > Arabidopsis
Accessions
- Primary accessionQ9LNV3
- Secondary accessions
Proteomes
Organism-specific databases
Genome annotation databases
Subcellular Location
UniProt Annotation
GO Annotation
Membrane ; Multi-pass membrane protein
Features
Showing features for topological domain, transmembrane.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Topological domain | 1-22 | Cytoplasmic | ||||
Sequence: MAVGSMNVEEGTKAFPAKLTGQ | ||||||
Transmembrane | 23-43 | Helical; Name=1 | ||||
Sequence: VFLCCVIAAVGGLMFGYDIGI | ||||||
Transmembrane | 80-100 | Helical; Name=2 | ||||
Sequence: LLQLFTSSLYLAGIFASFISS | ||||||
Transmembrane | 117-137 | Helical; Name=3 | ||||
Sequence: IFFLVGAILNLSAQELGMLIG | ||||||
Transmembrane | 140-160 | Helical; Name=4 | ||||
Sequence: ILLGFGIGFGNQTVPLFISEI | ||||||
Transmembrane | 167-187 | Helical; Name=5 | ||||
Sequence: GGLNVMFQFLITIGILAASYV | ||||||
Transmembrane | 200-220 | Helical; Name=6 | ||||
Sequence: YSLGGAAVPALILLIGSFFIH | ||||||
Transmembrane | 288-308 | Helical; Name=7 | ||||
Sequence: LQFFQQFTGINVVMFYAPVLF | ||||||
Transmembrane | 320-340 | Helical; Name=8 | ||||
Sequence: ISTVVTNGVNAIATVISLLVV | ||||||
Transmembrane | 348-368 | Helical; Name=9 | ||||
Sequence: LLMEGALQMTATQMTIGGILL | ||||||
Transmembrane | 381-401 | Helical; Name=10 | ||||
Sequence: AVPLIVLILICVYVSGFAWSW | ||||||
Transmembrane | 421-441 | Helical; Name=11 | ||||
Sequence: GYFCAVAMNMVCTFIIGQFFL | ||||||
Transmembrane | 450-470 | Helical; Name=12 | ||||
Sequence: LLFFFFGIMNIIMGLFVVFFL | ||||||
Topological domain | 471-498 | Cytoplasmic | ||||
Sequence: PETKGVPIEEMAEKRWKTHPRWKKYFKD |
Keywords
- Cellular component
PTM/Processing
Features
Showing features for chain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Chain | PRO_0000050432 | 1-498 | Sugar transport protein 2 | |||
Sequence: MAVGSMNVEEGTKAFPAKLTGQVFLCCVIAAVGGLMFGYDIGISGGVTSMDTFLLDFFPHVYEKKHRVHENNYCKFDDQLLQLFTSSLYLAGIFASFISSYVSRAFGRKPTIMLASIFFLVGAILNLSAQELGMLIGGRILLGFGIGFGNQTVPLFISEIAPARYRGGLNVMFQFLITIGILAASYVNYLTSTLKNGWRYSLGGAAVPALILLIGSFFIHETPASLIERGKDEKGKQVLRKIRGIEDIELEFNEIKYATEVATKVKSPFKELFTKSENRPPLVCGTLLQFFQQFTGINVVMFYAPVLFQTMGSGDNASLISTVVTNGVNAIATVISLLVVDFAGRRCLLMEGALQMTATQMTIGGILLAHLKLVGPITGHAVPLIVLILICVYVSGFAWSWGPLGWLVPSEIYPLEVRNAGYFCAVAMNMVCTFIIGQFFLSALCRFRSLLFFFFGIMNIIMGLFVVFFLPETKGVPIEEMAEKRWKTHPRWKKYFKD |
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
Type | Entry 1 | Entry 2 | Number of experiments | Intact | |
---|---|---|---|---|---|
BINARY | Q9LNV3 | MKK7 Q9LPQ3 | 3 | EBI-25512884, EBI-2128593 | |
BINARY | Q9LNV3 | MPK1 Q39021 | 3 | EBI-25512884, EBI-1238932 |
Protein-protein interaction databases
Structure
Sequence
- Sequence statusComplete
- Length498
- Mass (Da)55,023
- Last updated2009-09-22 v3
- ChecksumCEA14ED417C93F93
Sequence caution
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
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 |