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Protein Page:
RAF1 (human)

Overview
RAF1 a proto-oncogenic TKL kinase of the RAF family. Functions downstream of the Ras family of membrane associated GTPases to which it binds directly. Once activated Raf-1 can phosphorylate and activate MEK1/2, which in turn phosphorylate and activate ERK1/2. Acts as a regulatory link between the membrane-associated Ras GTPases and the MAPK/ERK cascade, and this critical regulatory link functions as a switch determining cell fate decisions including proliferation, differentiation, apoptosis, survival and oncogenic transformation. RAF1 activation initiates a mitogen-activated protein kinase (MAPK) cascade that comprises a sequential phosphorylation of the dual-specific MAPK kinases (MEK1/2) and the extracellular signal-regulated kinases (ERK1/2). RAF1, subsequent to phosphorylation by PAK1, phosphorylates BAD (Bcl2-antagonist of cell death) at S75. Phosphorylates adenylyl cyclases ADCY2, ADCY5 and ADCY6, resulting in their activation. Phosphorylates PPP1R12A resulting in inhibition of the phosphatase activity. Phosphorylates TNNT2 (cardiac muscle troponin T). Can promote NF-kB activation and inhibit signal transducers involved in motility (ROCK2), apoptosis (ASK1 and MST2), proliferation and angiogenesis (RB1). Can protect cells from apoptosis also by translocating to the mitochondria where it binds BCL2 and displaces BAD. Restricts caspase activation in response to selected stimuli, notably Fas stimulation, pathogen-mediated macrophage apoptosis, and erythroid differentiation. Note: This description may include information from UniProtKB.
Protein type: EC 2.7.11.1; Kinase, protein; Oncoprotein; Protein kinase, Ser/Thr (non-receptor); Protein kinase, TKL; RAF family; TKL group
Chromosomal Location of Human Ortholog: 3p25
Cellular Component: cytoplasm; cytosol; Golgi apparatus; mitochondrial outer membrane; plasma membrane
Molecular Function: kinase activity; protein binding; protein kinase activity; protein serine/threonine kinase activity; small GTPase binding
Biological Process: activation of MAPKK activity; apoptosis; cell proliferation; MAPKKK cascade; negative regulation of apoptosis; negative regulation of caspase activity; negative regulation of cell proliferation; negative regulation of protein complex assembly; platelet activation; positive regulation of peptidyl-serine phosphorylation; protein amino acid phosphorylation; regulation of apoptosis; regulation of cell differentiation; regulation of Rho protein signal transduction; signal transduction; stimulatory C-type lectin receptor signaling pathway; wound healing
Disease: Cardiomyopathy, Dilated, 1nn; Leopard Syndrome 2; Noonan Syndrome 5
Reference #:  P04049 (UniProtKB)
Alt. Names/Synonyms: c-Raf; cRaf; NS5; Oncogene RAF1; Proto-oncogene c-RAF; RAF; raf proto-oncogene serine/threonine protein kinase; RAF proto-oncogene serine/threonine-protein kinase; Raf-1; RAF1; v-raf-1 murine leukemia viral oncogene homolog 1
Gene Symbols: RAF1
Molecular weight: 73,052 Da
Basal Isoelectric point: 9.33  Predict pI for various phosphorylation states
CST Pathways:  B Cell Receptor Signaling  |  ErbB/HER Signaling  |  ESC Pluripotency and Differentiation  |  GPCR Signaling to MAPKs  |  Growth And Differentiation Control by MAPKs  |  IL6 Signaling  |  Inhibition of Apoptosis  |  Insulin Receptor Signaling  |  T Cell Receptor Signaling
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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RAF1

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