PDK1: an AGC kinase of the PKB family that contains a PH domain. Involved in a wide variety of processes including cell proliferation, differentiation and apoptosis. Autophosphorylation in the activation loop is necessary for activity. Phosphorylates and activates kinases including Akt, PKC isozymes, p70 S6K and RSK. Three alternatively-spliced isoforms have been described.
Protein type: Protein kinase, Ser/Thr (non-receptor); Kinase, protein; Nuclear receptor co-regulator; EC 2.7.11.1; Protein kinase, AGC; AGC group; PKB family
Chromosomal Location of Human Ortholog: 16p13.3
Cellular Component: nucleoplasm; cell projection; focal adhesion; membrane; cytoplasmic membrane-bound vesicle; cytoplasm; plasma membrane; cytosol
Molecular Function: protein serine/threonine kinase activity; protein binding; phospholipase binding; 3-phosphoinositide-dependent protein kinase activity; kinase activity; protein kinase binding; insulin receptor binding; ATP binding; phospholipase activator activity
Biological Process: regulation of mast cell degranulation; focal adhesion formation; nerve growth factor receptor signaling pathway; protein amino acid autophosphorylation; protein amino acid phosphorylation; T cell receptor signaling pathway; synaptic transmission; regulation of transcription, DNA-dependent; regulation of I-kappaB kinase/NF-kappaB cascade; epidermal growth factor receptor signaling pathway; platelet activation; cell migration; phosphoinositide-mediated signaling; fibroblast growth factor receptor signaling pathway; transcription, DNA-dependent; activation of protein kinase B; peptidyl-threonine phosphorylation; calcium-mediated signaling; hyperosmotic response; cellular response to insulin stimulus; T cell costimulation; insulin receptor signaling pathway; negative regulation of toll-like receptor signaling pathway; negative regulation of protein kinase activity; innate immune response; positive regulation of release of sequestered calcium ion into cytosol; blood coagulation; actin cytoskeleton organization and biogenesis; negative regulation of transforming growth factor beta receptor signaling pathway; vascular endothelial growth factor receptor signaling pathway
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