Biology:RPS6KA1

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Short description: Enzyme


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Ribosomal protein S6 kinase alpha-1 is an enzyme that in humans is encoded by the RPS6KA1 gene.[1]

Function

This gene encodes a member of the RSK (ribosomal S6 kinase) family of serine/threonine kinases. This kinase contains 2 nonidentical kinase catalytic domains and phosphorylates various substrates, including members of the mitogen-activated kinase (MAPK) signalling pathway. The activity of this protein has been implicated in controlling cell growth and differentiation. Alternate transcriptional splice variants, encoding different isoforms, have been characterized.[2]

Interactions

RPS6KA1 has been shown to interact with:


See also

References

  1. "Human rsk isoforms: cloning and characterization of tissue-specific expression". The American Journal of Physiology 266 (2 Pt 1): C351–9. Feb 1994. doi:10.1152/ajpcell.1994.266.2.C351. PMID 8141249. 
  2. "Entrez Gene: RPS6KA1 ribosomal protein S6 kinase, 90kDa, polypeptide 1". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=6195. 
  3. "IkappaB alpha is a target for the mitogen-activated 90 kDa ribosomal S6 kinase". The EMBO Journal 16 (11): 3133–44. Jun 1997. doi:10.1093/emboj/16.11.3133. PMID 9214631. 
  4. "Phosphorylation of p90 ribosomal S6 kinase (RSK) regulates extracellular signal-regulated kinase docking and RSK activity". Molecular and Cellular Biology 23 (14): 4796–804. Jul 2003. doi:10.1128/mcb.23.14.4796-4804.2003. PMID 12832467. 
  5. "Identification of novel ERK2 substrates through use of an engineered kinase and ATP analogs". The Journal of Biological Chemistry 278 (17): 14926–35. Apr 2003. doi:10.1074/jbc.M300485200. PMID 12594221. 
  6. "Identification of an extracellular signal-regulated kinase (ERK) docking site in ribosomal S6 kinase, a sequence critical for activation by ERK in vivo". The Journal of Biological Chemistry 274 (5): 2893–8. Jan 1999. doi:10.1074/jbc.274.5.2893. PMID 9915826. 
  7. "A serine/threonine kinase p90rsk1 phosphorylates the anti-proliferative protein Tob". Genes to Cells 6 (2): 131–8. Feb 2001. doi:10.1046/j.1365-2443.2001.00406.x. PMID 11260258. 
  8. "Tumor-promoting phorbol esters and activated Ras inactivate the tuberous sclerosis tumor suppressor complex via p90 ribosomal S6 kinase". Proceedings of the National Academy of Sciences of the United States of America 101 (37): 13489–94. Sep 2004. doi:10.1073/pnas.0405659101. PMID 15342917. Bibcode2004PNAS..10113489R. 
  9. "Activation of protein synthesis in cardiomyocytes by the hypertrophic agent phenylephrine requires the activation of ERK and involves phosphorylation of tuberous sclerosis complex 2 (TSC2)". The Biochemical Journal 388 (Pt 3): 973–84. Jun 2005. doi:10.1042/BJ20041888. PMID 15757502. 
  10. "14-3-3beta is a p90 ribosomal S6 kinase (RSK) isoform 1-binding protein that negatively regulates RSK kinase activity". The Journal of Biological Chemistry 278 (20): 18376–83. May 2003. doi:10.1074/jbc.M208475200. PMID 12618428. 

Further reading