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BRAF a tyrosine kinase-like kinase of the RAF family. Involved in the transduction of mitogenic signals from the cell membrane to the nucleus. May play a role in the postsynaptic responses of hippocampal neuron. Frequently mutated in thyroid cancers, skin melanomas and at lower frequency in a wide range of human cancers. An activating mutation, mimicking phosphorylation of the activation loop, is seen in 60% of malignant melanoma samples. Raf mutations are generally exclusive to Ras activating mutations. Activating mutations are also seen in ~10% of colorectal cancers, in lung cancers and gliomas, and at a lower rate in several other tumors. Inactivating mutations are also seen and may result in activation of c-Raf and Erk. Mutations in B-Raf, MEK1 and MEK2 also associated with cardiofaciocutaneous syndrome, displaying morphological, cardiac and mental defects. Approved Inhibitor: Nexavar/Sorafenib. Note: This description may include information from UniProtKB.
Protein type: EC; Kinase, protein; Oncoprotein; Protein kinase, Ser/Thr (non-receptor); Protein kinase, TKL; RAF family; TKL group
Chromosomal Location of Human Ortholog: 7q34
Cellular Component: cytosol; intracellular; intracellular membrane-bound organelle; plasma membrane
Molecular Function: calcium ion binding; identical protein binding; MAP kinase kinase kinase activity; mitogen-activated protein kinase kinase binding; protein binding; protein kinase activity; protein serine/threonine kinase activity; small GTPase binding
Biological Process: cell differentiation; glucose transport; MAPKKK cascade; negative regulation of apoptosis; negative regulation of signal transduction; organ morphogenesis; positive regulation of peptidyl-serine phosphorylation; protein amino acid phosphorylation
Disease: Cardiofaciocutaneous Syndrome 1; Leopard Syndrome 3; Lung Cancer; Noonan Syndrome 1; Noonan Syndrome 7
Reference #:  P15056 (UniProtKB)
Alt. Names/Synonyms: 94 kDa B-raf protein; B-Raf proto-oncogene serine/threonine-protein kinase (p94); B-RAF1; BRAF; BRAF1; FLJ95109; MGC126806; MGC138284; murine sarcoma viral (v-raf) oncogene homolog B1; p94; Proto-oncogene B-Raf; RAFB1; Serine/threonine-protein kinase B-raf; v-Raf murine sarcoma viral oncogene homolog B1
Gene Symbols: BRAF
Molecular weight: 84,437 Da
Basal Isoelectric point: 7.29  Predict pI for various phosphorylation states
CST Pathways:  ErbB/HER Signaling  |  ESC Pluripotency and Differentiation  |  GPCR Signaling to MAPKs  |  Growth And Differentiation Control by MAPKs  |  IL6 Signaling  |  Inhibition of Apoptosis  |  T Cell Receptor Signaling
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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