GAS6: Ligand for tyrosine-protein kinase receptors AXL, TYRO3 and MER whose signaling is implicated in cell growth and survival, cell adhesion and cell migration. GAS6/AXL signaling plays a role in various processes such as endothelial cell survival during acidification by preventing apoptosis, optimal cytokine signaling during human natural killer cell development, hepatic regeneration, gonadotropin-releasing hormone neuron survival and migration, platelet activation, or regulation of thrombotic responses. 4 isoforms of the human protein are produced by alternative splicing.
Protein type: Ligand, receptor tyrosine kinase; Secreted; Secreted, signal peptide
Chromosomal Location of Human Ortholog: 13q34
Cellular Component: cytoplasm; endoplasmic reticulum lumen; extracellular region; extracellular space; Golgi lumen
Molecular Function: calcium ion binding; caspase inhibitor activity; molecular adaptor activity; phosphatidylserine binding; protein binding; protein tyrosine kinase activator activity; receptor agonist activity; receptor binding; receptor tyrosine kinase binding; voltage-gated calcium channel activity
Biological Process: activation of protein kinase B; apoptotic cell clearance; cell adhesion; cell cycle arrest; cell migration; cell proliferation; cell-substrate adhesion; cellular response to starvation; entry of virus into host cell; enzyme linked receptor protein signaling pathway; ER to Golgi vesicle-mediated transport; leukocyte migration; negative regulation of apoptosis; negative regulation of caspase activity; negative regulation of interferon-gamma production; negative regulation of interleukin-1 secretion; negative regulation of interleukin-6 production; negative regulation of protein import into nucleus, translocation; negative regulation of transcription factor activity; negative regulation of transcription, DNA-dependent; negative regulation of tumor necrosis factor production; neuron migration; organ regeneration; peptidyl-serine phosphorylation; phagocytosis; platelet activation; platelet degranulation; positive regulation of cytokine and chemokine mediated signaling pathway; positive regulation of fibroblast proliferation; positive regulation of glomerular filtration; positive regulation of natural killer cell differentiation; positive regulation of peptidyl-serine phosphorylation; positive regulation of phagocytosis; positive regulation of protein amino acid phosphorylation; positive regulation of protein export from nucleus; positive regulation of protein kinase activity; positive regulation of protein kinase B signaling cascade; positive regulation of TOR signaling pathway; protein amino acid phosphorylation; protein kinase B signaling cascade; regulation of growth; signal peptide processing; signal transduction; viral envelope fusion with host membrane; viral genome replication; virion attachment, binding of host cell surface receptor
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