RGS17

Regulator G proteinske signalizacije 17
PDB prikaz baziran na 1zv4​.
Dostupne strukture
1zv4
Identifikatori
Simboli RGS17; RGS-17; RGSZ2; hRGS17
Vanjski ID OMIM607191 MGI1927469 HomoloGene8242 GeneCards: RGS17 Gene
Pregled RNK izražavanja
podaci
Ortolozi
Vrsta Čovek Miš
Entrez 26575 56533
Ensembl ENSG00000091844 ENSMUSG00000019775
UniProt Q9UGC6 Q6P208
RefSeq (mRNA) NM_012419 NM_019958
RefSeq (protein) NP_036551 NP_064342
Lokacija (UCSC) Chr 6:
153.37 - 153.49 Mb
Chr 10:
4.42 - 4.51 Mb
PubMed pretraga [1] [2]

Regulator G proteinske signalizacije 17 (RGS17) je protein koji je kod čoveka kodiran RGS17 genom.[1][2]

Ovaj gen kodira člana regulatorne G-proteinske signalne familije. Ovaj protein sadrži konzervirani motiv od 120 aminokiselina koji se naziva RGS domen, i cisteinom bogati region. On prigušuje signalnu aktivnost G-proteina vezivanjem za aktiviranu, GTP-vezanu G alfa podjedinicu i delujući kao aktivirajući protein GTPaze (GAP), čime povišava brzinu GTP konverzije do GDP-a. Ova hidroliza omogućava G alfa podjedinicama da se vežu za G beta/gama heterodimere, formirajući neaktivne G-proteinske heterotrimere, čime se zaustavlja signal.[2] Zajedno sa RGS4, RGS9 i RGS14,[3][4] RGS17 učestvuje u terminaciji signalizacije mi opioidnog receptora i razvoju tolerancije na opioidne analgetike.[5][6]

Reference

  1. ^ Jordan JD, Carey KD, Stork PJ, Iyengar R (1999). „Modulation of rap activity by direct interaction of Galpha(o) with Rap1 GTPase-activating protein”. J Biol Chem. 274 (31): 21507—10. PMID 10419452. doi:10.1074/jbc.274.31.21507. 
  2. ^ а б „Entrez Gene: RGS17 regulator of G-protein signalling 17”. 
  3. ^ Garzón J, Rodríguez-Muñoz M, de la Torre-Madrid E, Sánchez-Blázquez P (2005). „Effector antagonism by the regulators of G protein signalling (RGS) proteins causes desensitization of mu-opioid receptors in the CNS”. Psychopharmacology. 180 (1): 1—11. PMID 15830230. doi:10.1007/s00213-005-2248-9. 
  4. ^ Rodríguez-Muñoz M, de la Torre-Madrid E, Gaitán G, Sánchez-Blázquez P, Garzón J (2007). „RGS14 prevents morphine from internalizing Mu-opioid receptors in periaqueductal gray neurons”. Cellular Signalling. 19 (12): 2558—71. PMID 17825524. doi:10.1016/j.cellsig.2007.08.003. 
  5. ^ Garzón J, Rodríguez-Muñoz M, López-Fando A, Sánchez-Blázquez P (2005). „The RGSZ2 protein exists in a complex with mu-opioid receptors and regulates the desensitizing capacity of Gz proteins”. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 30 (9): 1632—48. PMID 15827571. doi:10.1038/sj.npp.1300726. 
  6. ^ Rodríguez-Muñoz M, de la Torre-Madrid E, Sánchez-Blázquez P, Garzón J (2007). „Morphine induces endocytosis of neuronal mu-opioid receptors through the sustained transfer of Galpha subunits to RGSZ2 proteins”. Molecular Pain. 3: 19. PMC 1947952Слободан приступ. PMID 17634133. doi:10.1186/1744-8069-3-19. 

Literatura


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