PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31872783-7 2021 In addition, the only proline residue Pro250 of fSBP segment is also required for the segment recognition by SH3 domain in c-Src kinase context; lack of Pro250 residue the segment exhibits considerable disorder and cannot maintain in PPII helical conformation, thus largely impairing the domain-segment binding capability. isoleucyl-prolyl-proline 22-29 C-terminal Src kinase Homo sapiens 123-135