Source:http://linkedlifedata.com/resource/umls/id/C0541150
NCI: 3-Phosphoinositide Dependent Protein Kinase-1, encoded by the PDPK1 gene, belongs to the Ser/Thr family of protein kinases. This protein phosphorylates and activates not only PKB/AKT, but also PKA, PKC-zeta, p70S6K and p90S6K/RSK. It may play a general role in signaling processes and in development (by similarity). It becomes cytoplasmic and membrane-associated after cell stimulation leading to its translocation. Tyrosine phosphorylation seems to occur only at the plasma membrane. Three isoforms exist from alternative splicing and Isoform 3 is catalytically inactive. (from LocusLink)