Hck: a protein-tyrosine kinase of the Src family that is predominantly expressed in hemopoietic cell types. The encoded protein may help couple the Fc receptor to the activation of the respiratory burst. In addition, it may play a role in neutrophil migration and in the degranulation of neutrophils. Alternate translation initiation site usage, including a non-AUG (CUG) codon, results in the production of two different isoforms that have different subcellular localization.
Protein type: Oncoprotein; Protein kinase, tyrosine (non-receptor); Protein kinase, TK; EC 2.7.10.2; Kinase, protein; TK group; Src family
Chromosomal Location of Human Ortholog: 20q11-q12
Cellular Component: Golgi apparatus; extrinsic to internal side of plasma membrane; transport vesicle; focal adhesion; cell projection; lysosome; actin filament; caveola; nucleus; cytosol
Molecular Function: protein binding; protein-tyrosine kinase activity; non-membrane spanning protein tyrosine kinase activity; ATP binding; receptor binding
Biological Process: peptidyl-tyrosine phosphorylation; respiratory burst after phagocytosis; viral reproduction; protein amino acid autophosphorylation; regulation of phagocytosis; protein amino acid phosphorylation; regulation of cell shape; leukocyte migration during immune response; regulation of transcription factor activity; leukocyte degranulation; positive regulation of cell proliferation; lipopolysaccharide-mediated signaling pathway; mesoderm development; inflammatory response; innate immune response-activating signal transduction; cell adhesion; cell differentiation; integrin-mediated signaling pathway; cytokine and chemokine mediated signaling pathway; regulation of defense response to virus by virus; positive regulation of actin filament polymerization; regulation of inflammatory response; innate immune response; transmembrane receptor protein tyrosine kinase signaling pathway; negative regulation of apoptosis
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