Akt/PKB (Protein kinase B), usually called Akt, is a serine/threonine protein kinase with antiapoptotic activity. In addition, Akt consists of three isoforms: PKBα/Akt1, PKBβ/Akt2 and PKBγ/Akt3. Catalytically active Akt regulates the function of numerous substrates involved in cell survival, growth, proliferation, metabolism and protein synthesis. Akt possesses a protein...