SH3 domain(redirected from Src homology 3 domain)
SH3 domainSrc-homology 3 domain. A small, circa-60-amino acid domain which binds to proline-rich peptides. Proteins with SH3 domain include CDC24, CDC25, crk adaptor protein, cytoplasmic tyrosine kinases—e.g., abl, src, phospholipase, PI3 kinase, Ras GTPase activating protein.
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