Reviewed,
UniProtKB/Swiss-Prot Q8TE23 (TS1R2_HUMAN)
Last modified
November 3, 2009.
Version 71.
History...
Clusters with 100%,
90%,
50% identity |
Documents (7) |
Third-party data |
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Names and origin
| Protein names | Recommended name: Taste receptor type 1 member 2 Alternative name(s): Sweet taste receptor T1R2 G-protein coupled receptor 71 | ||||
| Gene names |
| ||||
| Organism | Homo sapiens (Human) [Complete proteome] | ||||
| Taxonomic identifier | 9606 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo |
Protein attributes
| Sequence length | 839 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at transcript level. |
General annotation (Comments)
| Function | Putative taste receptor. TAS1R2/TAS1R3 recognizes diverse natural and synthetic sweeteners. |
| Subunit structure | Forms heterodimers with TAS1R3. |
| Subcellular location | |
| Sequence similarities | Belongs to the G-protein coupled receptor 3 family. TAS1R subfamily. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Sensory transduction Taste |
| Cellular component | Cell membrane Membrane |
| Coding sequence diversity | Polymorphism |
| Domain | Signal Transmembrane |
| Molecular function | G-protein coupled receptor Receptor Transducer |
| PTM | Glycoprotein |
| Technical term | Complete proteome |
| Gene Ontology (GO) | |
| Biological process | G-protein coupled receptor protein signaling pathway Inferred by curator. Source: HGNC detection of chemical stimulus involved in sensory perception of sweet tasteInferred from direct assay. Source: HGNC |
| Cellular component | integral to membrane Ref.1 Inferred by curator. Source: UniProtKB plasma membraneInferred from electronic annotation. Source: UniProtKB-KW |
| Molecular function | protein heterodimerization activity Ref.1 Non-traceable author statement. Source: UniProtKB taste receptor activity Ref.1Inferred from direct assay. Source: UniProtKB |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Signal peptide | 1 – 19 | 19 | Potential | ||||||
| Chain | 20 – 839 | 820 | Taste receptor type 1 member 2 | PRO_0000012957 | |||||
Regions | |||||||||
| Topological domain | 20 – 566 | 547 | Extracellular Potential | ||||||
| Transmembrane | 567 – 587 | 21 | 1 Potential | ||||||
| Topological domain | 588 – 602 | 15 | Cytoplasmic Potential | ||||||
| Transmembrane | 603 – 623 | 21 | 2 Potential | ||||||
| Topological domain | 624 – 635 | 12 | Extracellular Potential | ||||||
| Transmembrane | 636 – 656 | 21 | 3 Potential | ||||||
| Topological domain | 657 – 681 | 25 | Cytoplasmic Potential | ||||||
| Transmembrane | 682 – 702 | 21 | 4 Potential | ||||||
| Topological domain | 703 – 727 | 25 | Extracellular Potential | ||||||
| Transmembrane | 728 – 748 | 21 | 5 Potential | ||||||
| Topological domain | 749 – 760 | 12 | Cytoplasmic Potential | ||||||
| Transmembrane | 761 – 781 | 21 | 6 Potential | ||||||
| Topological domain | 782 – 784 | 3 | Extracellular Potential | ||||||
| Transmembrane | 785 – 805 | 21 | 7 Potential | ||||||
| Topological domain | 806 – 839 | 34 | Cytoplasmic Potential | ||||||
Amino acid modifications | |||||||||
| Glycosylation | 84 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 248 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 292 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 312 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 368 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 428 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 487 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 527 | 1 | N-linked (GlcNAc...) Potential | ||||||
Natural variations | |||||||||
| Natural variant | 9 | 1 | S → C: dbSNP rs9701796. Ref.1 | VAR_027901 | |||||
| Natural variant | 574 | 1 | A → T: dbSNP rs6662276. | VAR_020787 | |||||
| Natural variant | 838 | 1 | R → K: dbSNP rs9988418. | VAR_027902 | |||||
Experimental info | |||||||||
| Sequence conflict | 191 | 1 | I → V in AAM12239. Ref.1 | ||||||
| Sequence conflict | 191 | 1 | I → V in DAA00019. Ref.1 | ||||||
| Sequence conflict | 317 | 1 | R → G in AAM12239. Ref.1 | ||||||
| Sequence conflict | 317 | 1 | R → G in DAA00019. Ref.1 | ||||||
| Sequence conflict | 486 | 1 | I → V in AAM12239. Ref.1 | ||||||
| Sequence conflict | 486 | 1 | I → V in DAA00019. Ref.1 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Human receptors for sweet and umami taste." Li X., Staszewski L., Xu H., Durick K., Zoller M., Adler E. Proc. Natl. Acad. Sci. U.S.A. 99:4692-4696(2002) [PubMed: 11917125] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], VARIANT CYS-9. |
| [2] | "The DNA sequence and biological annotation of human chromosome 1." Gregory S.G., Barlow K.F., McLay K.E., Kaul R., Swarbreck D., Dunham A., Scott C.E., Howe K.L., Woodfine K., Spencer C.C.A., Jones M.C., Gillson C., Searle S., Zhou Y., Kokocinski F., McDonald L., Evans R., Phillips K. Bentley D.R.Nature 441:315-321(2006) [PubMed: 16710414] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
AF458154 AF458151 Genomic DNA. Translation: AAM12239.1. BX537160, AL831755 Genomic DNA. Translation: CAH69954.1. AL831755, BX537160 Genomic DNA. Translation: CAI17299.1. BK000151 Genomic DNA. Translation: DAA00019.1. | |
| IPI | IPI00152592. |
| RefSeq | NP_689418.2. |
| UniGene | Hs.553548 |
3D structure databases | |
| HSSP | HSSP built from PDB template 1ISS based on UniProtKB P23385. |
| ModBase | Search... |
Protein-protein interaction databases | |
| STRING | Q8TE23. |
Protein family/group databases | |
| GPCRDB | Search... |
Proteomic databases | |
| PRIDE | Q8TE23. |
Genome annotation databases | |
| Ensembl | ENST00000375371; ENSP00000364520; ENSG00000179002; Homo sapiens. [Genome view] |
| GeneID | 80834. |
| KEGG | hsa:80834. |
| NMPDR | fig|9606.3.peg.430. |
| UCSC | uc001bba.1. human. |
Organism-specific databases | |
| CTD | 80834. |
| GeneCards | GC01M019038. |
| H-InvDB | HIX0028889. |
| HGNC | HGNC:14905. TAS1R2. |
| MIM | 606226. gene. |
| PharmGKB | PA37919. |
| GenAtlas | Search... |
Phylogenomic databases | |
| HOGENOM | Q8TE23. |
| HOVERGEN | Q8TE23. |
| OMA | PRATTIC. |
Gene expression databases | |
| ArrayExpress | Q8TE23. |
| CleanEx | HS_TAS1R2. |
| Genevestigator | Q8TE23. |
| GermOnline | ENSG00000179002. Homo sapiens. |
Family and domain databases | |
| InterPro | IPR001828. ANF_lig_bd_rcpt. IPR000337. GPCR_3. IPR017978. GPCR_3_C. IPR017979. GPCR_3_CS. IPR011500. GPCR_3_NCR. [Graphical view] |
| Pfam | PF00003. 7tm_3. 1 hit. PF01094. ANF_receptor. 1 hit. PF07562. NCD3G. 1 hit. [Graphical view] |
| PRINTS | PR00248. GPCRMGR. |
| PROSITE | PS00979. G_PROTEIN_RECEP_F3_1. False negative. PS00980. G_PROTEIN_RECEP_F3_2. 1 hit. PS00981. G_PROTEIN_RECEP_F3_3. False negative. PS50259. G_PROTEIN_RECEP_F3_4. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Other Resources | |
| DrugBank | DB00168. Aspartame. |
| NextBio | 71270. |
| SOURCE | Search... |
Entry information
| Entry name | TS1R2_HUMAN | ||||||||
| Accession | Primary (citable) accession number: Q8TE23 Secondary accession number(s): Q5TZ19 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation project | HPI (Human Proteome Initiative) | ||||||||
| Disclaimer | Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. | ||||||||
Relevant documents
| 7-transmembrane G-linked receptors List of 7-transmembrane G-linked receptor entries |
| Human chromosome 1 Human chromosome 1: entries, gene names and cross-references to MIM |
| Human entries with polymorphisms or disease mutations List of human entries with polymorphisms or disease mutations |
| Human polymorphisms and disease mutations Index of human polymorphisms and disease mutations |
| MIM cross-references Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot |
| Protein Spotlight Protein Spotlight articles and cited UniProtKB/Swiss-Prot entries |
| SIMILARITY comments Index of protein domains and families |

Clusters with


