Catalytic activity:ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate. ,cofactor:Binds 1 zinc ion per subunit. ,Function:Plays a role in T-cell proliferation and differentiation. ,induction:By interleukin-2. ,similarity:Belongs to the protein kinase superfamily. Tyr protein kinase family. TEC subfamily. ,similarity:Contains 1 Btk-type zinc finger. ,similarity:Contains 1 PH domain. ,similarity:Contains 1 protein kinase domain. ,similarity:Contains 1 SH2 domain. ,similarity:Contains 1 SH3 domain. ,subcellular location:Localizes to cell surface receptors in the plasma membrane after stimulation with respective receptors (TCR , CD28 , CD2) in T-cells. ,tissue specificity:T-cell lines and natural killer cell lines. ,
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