Arg: a cytoplasmic tyrosine kinase of the Abl family. Expressed at the highest levels in mature B cells. Promotes catalase degradation in the oxidative stress response. Localizes to dynamic actin structures and may regulate cytoskeleton remodeling during cell differentiation, cell division and cell adhesion. 4 isoforms of the human protein are produced by alternative splicing.
Protein type: EC 2.7.10.2; Protein kinase, TK; Kinase, protein; Oncoprotein; Protein kinase, tyrosine (non-receptor); TK group; Abl family
Cellular Component: extrinsic to internal side of plasma membrane; cytoskeleton; lamellipodium; cell; cytoplasm; cytoplasmic membrane-bound vesicle; dendritic spine; cytosol; phagocytic cup; actin cytoskeleton
Molecular Function: transferase activity; protein binding; metal ion binding; manganese ion binding; protein-tyrosine kinase activity; transferase activity, transferring phosphorus-containing groups; non-membrane spanning protein tyrosine kinase activity; nucleotide binding; magnesium ion binding; kinase activity; ATP binding; protein kinase activity; receptor binding
Biological Process: peptidyl-tyrosine phosphorylation; positive regulation of protein binding; alpha-beta T cell differentiation; cerebellum morphogenesis; platelet-derived growth factor receptor signaling pathway; protein amino acid phosphorylation; regulation of apoptosis; elevation of cytosolic calcium ion concentration; Bergmann glial cell differentiation; visual learning; cell adhesion; neuromuscular process controlling balance; positive regulation of oxidoreductase activity; epidermal growth factor receptor signaling pathway; actin filament bundle formation; cell migration; positive regulation of I-kappaB kinase/NF-kappaB cascade; dendrite morphogenesis; actin filament organization; learning; substrate-bound cell migration, cell extension; phagocytosis; regulation of cell proliferation; negative regulation of Rho protein signal transduction; innate immune response; negative regulation of cell-cell adhesion; actin cytoskeleton organization and biogenesis; phosphorylation; neuron remodeling
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