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| Lymphocyte Specific Protein Tyrosine Kinase p56(lck) Protein Tyrosine Kinase p56(lck) | lck Kinase | p56 lck | Proto-Oncogene Protein c-lck | Proto-Oncogene Protein lck | Kinase, lck | Protein c-lck, Proto-Oncogene | Protein lck, Proto-Oncogene | Proto Oncogene Protein c lck This enzyme is a lymphoid-specific src family tyrosine kinase that is critical for T-cell development and activation. Lck is associated with the cytoplasmic domains of CD4, CD8 and the beta-chain of the IL-2 receptor, and is thought to be involved in the earliest steps of TCR-mediated T-cell activation. |