Hepatocyte growth factor receptor (HGF R), a product of the proto-oncogene c-Met, is a heterodimeric transmembrane glycoprotein that is a receptor-type tyrosine kinase. The c-Met heterodimer is composed of an alpha chain that is disulfide-linked to a beta chain. Each alpha and beta subunit heterodimer contain 1152 amino acid residues with a calculated molecular mass of approximately 129 kDa. The alpha chain is exposed to the cell surface and the beta chain spans the plasma membrane. c-Met is synthesized as a single-chain precursor which undergoes cotranslational glycosylation and proteolytic cleavage producing the heterodimeric mature form. Human and mouse HGF receptors share 89% amino acid identity. HGF is the ligand for the HGF receptor.
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Protein Aliases: c-Met; Hepatocyte growth factor receptor; HGF receptor; HGF/SF receptor; met proto-oncogene tyrosine kinase; Proto-oncogene c-Met; Scatter factor receptor; SF receptor; Tyrosine-protein kinase Met
Gene Aliases: AI838057; AUTS9; c-Met; DFNB97; HGF; HGFR; MET; Par4; RCCP2