Mutational investigation of the specificity determining region of the Src SH2 domain.

Abstract excerpt

SH2 domains are protein modules which bind tyrosine phosphorylated sequences in many signaling pathways. These domains contain two regions with specialized functions: residues in one region form a deep pocket into which the phosphotyrosine of the target inserts, while the other region contains the so-called "specificity determining residues" which interact with the three residues C-terminal to the phosphotyrosine...

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