PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7986086-2 1994 Replacement of the proline residue by any of the other 19 amino acids or D-proline drastically reduces or abolishes phosphorylation by CDC2. Proline 19-26 cyclin dependent kinase 1 Homo sapiens 135-139