PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11685249-2 2001 The solution structure of the Csk-SH3 domain in complex with a 25-residue peptide from the Pro/Glu/Ser/Thr-rich (PEST) domain of PEP reveals the basis for this specific peptide recognition motif involving an SH3 domain. Serine 99-102 C-terminal Src kinase Homo sapiens 30-33