AKT3

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Template:Infobox gene RAC-gamma serine/threonine-protein kinase is an enzyme that in humans is encoded by the AKT3 gene.[1][2]

Function

The protein encoded by this gene is a member of the AKT subfamily of serine/threonine protein kinases. AKT kinases are known to be regulators of cell signaling in response to insulin and growth factors. They are involved in a wide variety of biological processes including cell proliferation, differentiation, apoptosis, tumorigenesis, as well as glycogen synthesis and glucose uptake. This kinase has been shown to be stimulated by platelet-derived growth factor (PDGF), insulin, and insulin-like growth factor 1 (IGF1). Alternatively splice transcript variants encoding distinct isoforms have been described.[3] Mice lacking Akt3 have a normal glucose metabolism (no diabetes), have approximately normal body weight, but have a 25% reduction in brain mass. Incidentally, Akt3 is highly expressed in the brain.

Interactions

AKT3 has been shown to interact with Protein kinase Mζ.[4]

References

  1. Brodbeck D, Cron P, Hemmings BA (Apr 1999). "A human protein kinase Bgamma with regulatory phosphorylation sites in the activation loop and in the C-terminal hydrophobic domain". J Biol Chem. 274 (14): 9133–6. PMID 10092583. doi:10.1074/jbc.274.14.9133. 
  2. Nakatani K, Sakaue H, Thompson DA, Weigel RJ, Roth RA (Jun 1999). "Identification of a human Akt3 (protein kinase B gamma) which contains the regulatory serine phosphorylation site". Biochem Biophys Res Commun. 257 (3): 906–10. PMID 10208883. doi:10.1006/bbrc.1999.0559. 
  3. "Entrez Gene: AKT3 v-akt murine thymoma viral oncogene homolog 3 (protein kinase B, gamma)". 
  4. Hodgkinson CP, Sale EM, Sale GJ (2002). "Characterization of PDK2 activity against protein kinase B gamma". Biochemistry. 41 (32): 10351–9. PMID 12162751. doi:10.1021/bi026065r. 

Further reading

External links

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