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Gene and Protein Information | ||||||
class A G protein-coupled receptor | ||||||
Species | TM | AA | Chromosomal Location | Gene Symbol | Gene Name | Reference |
Human | 7 | 418 | 22q13.1 | SSTR3 | somatostatin receptor 3 | 4,46-47 |
Mouse | 7 | 428 | 15 37.55 cM | Sstr3 | somatostatin receptor 3 | 49 |
Rat | 7 | 428 | 7q34 | Sstr3 | somatostatin receptor 3 | 24 |
Previous and Unofficial Names |
SRIF1C | somatostatin receptor 28 | SSR-28 |
Database Links | |
Specialist databases | |
GPCRdb | ssr3_human (Hs), ssr3_mouse (Mm), ssr3_rat (Rn) |
Other databases | |
Alphafold | P32745 (Hs), P30935 (Mm), P30936 (Rn) |
ChEMBL Target | CHEMBL2028 (Hs), CHEMBL2238 (Mm), CHEMBL3340 (Rn) |
Ensembl Gene | ENSG00000278195 (Hs), ENSMUSG00000044933 (Mm), ENSRNOG00000007332 (Rn) |
Entrez Gene | 6753 (Hs), 20607 (Mm), 171044 (Rn) |
Human Protein Atlas | ENSG00000278195 (Hs) |
KEGG Gene | hsa:6753 (Hs), mmu:20607 (Mm), rno:171044 (Rn) |
OMIM | 182453 (Hs) |
Pharos | P32745 (Hs) |
RefSeq Nucleotide | NM_001051 (Hs), NM_009218 (Mm), NM_133522 (Rn) |
RefSeq Protein | NP_001042 (Hs), NP_033244 (Mm), NP_598206 (Rn) |
UniProtKB | P32745 (Hs), P30935 (Mm), P30936 (Rn) |
Wikipedia | SSTR3 (Hs) |
Natural/Endogenous Ligands |
cortistatin-14 {Sp: Mouse, Rat} |
CST-17 {Sp: Human} |
SRIF-14 {Sp: Human, Mouse, Rat} |
SRIF-28 {Sp: Human, Mouse, Rat} |
Comments: SRIF-14 and SRIF-28 are the active fragments of precursor somatostatin |
Download all structure-activity data for this target as a CSV file
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View species-specific agonist tables |
Antagonists | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Primary Transduction Mechanisms | |
Transducer | Effector/Response |
Gi/Go family | Adenylyl cyclase inhibition |
References: 16,38,49 |
Tissue Distribution | ||||||||
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Physiological Functions | ||||||||
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17. Kreienkamp HJ, Hönck HH, Richter D. (1997) Coupling of rat somatostatin receptor subtypes to a G-protein gated inwardly rectifying potassium channel (GIRK1). FEBS Lett, 419 (1): 92-4. [PMID:9426226]
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24. Meyerhof W, Wulfsen I, Schönrock C, Fehr S, Richter D. (1992) Molecular cloning of a somatostatin-28 receptor and comparison of its expression pattern with that of a somatostatin-14 receptor in rat brain. Proc Natl Acad Sci USA, 89 (21): 10267-71. [PMID:1279674]
25. Murray RD, Kim K, Ren SG, Chelly M, Umehara Y, Melmed S. (2004) Central and peripheral actions of somatostatin on the growth hormone-IGF-I axis. J Clin Invest, 114 (3): 349-56. [PMID:15286801]
26. Patel YC, Srikant CB. (1994) Subtype selectivity of peptide analogs for all five cloned human somatostatin receptors (hsstr 1-5). Endocrinology, 135 (6): 2814-7. [PMID:7988476]
27. Pfeiffer M, Koch T, Schröder H, Klutzny M, Kirscht S, Kreienkamp HJ, Höllt V, Schulz S. (2001) Homo- and heterodimerization of somatostatin receptor subtypes. Inactivation of sst(3) receptor function by heterodimerization with sst(2A). J Biol Chem, 276 (17): 14027-36. [PMID:11134004]
28. Poitout L, Roubert P, Contour-Galcéra MO, Moinet C, Lannoy J, Pommier J, Plas P, Bigg D, Thurieau C. (2001) Identification of potent non-peptide somatostatin antagonists with sst(3) selectivity. J Med Chem, 44 (18): 2990-3000. [PMID:11520208]
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