Catalytic activity:ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate. ,cofactor:Magnesium. ,enzyme regulation:The SH3 domain appears to play an autoinhibitory role. ,Function:Downstream effector of CDC42 which mediates CDC42-dependent cell migration via phosphorylation of BCAR1. Binds to both poly- and mono-ubiquitin and regulates ligand-induced degradation of EGFR. Participates in clathrin-mediated endocytosis. May be involved both in adult synaptic function and plasticity and in brain development. ,sequence Caution:Unlikely isoform. Aberrant splice sites. ,similarity:Belongs to the protein kinase superfamily. Tyr protein kinase family. ,similarity:Contains 1 CRIB domain. ,similarity:Contains 1 protein kinase domain. ,similarity:Contains 1 SH3 domain. ,subunit:Interacts with CDC42. Interacts with activated CSPG4. ,
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