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SHK1 primary amino acid sequence. (A) Sequence of SHK1. Putative kinase (black bar) and SH2 (gray bar) domains are indicated. (B) Sequence comparison of the SH2 domain of SHK1 with the SH2 domains of mouse p55, Q64143, human c-Src (P12931), and Dictyostelium STATa (Kawata et al. 1997).
