Lck (Lck p56, Lymphocyte Cell Specific Protein Tyrosine Kinase, LSK, Membrane Associated Protein Tyrosine Kinase, Oncogene lck, P56 LCK, p56(LSTRA) Protein Tyrosine Kinase, pp58 lck, Proto-oncogene Tyrosine Protein Kinase LCK, T cell Specific Protein Tyro