PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1917894-0 1991 Cytochrome P-450 human-2 (P-450IIC9) in mephenytoin hydroxylation polymorphism in human livers: differences in substrate and stereoselectivities among microheterogeneous P-450IIC species expressed in yeasts. Mephenytoin 40-51 cytochrome P450 family 2 subfamily C member 9 Homo sapiens 26-35