PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9224778-9 1997 Thus, it could be concluded that the major P450 enzyme responsible for ropinirole metabolism at lower (clinically relevant) concentrations is CYP1A2 with a contribution from CYP3A, particularly at higher concentrations. ropinirole 71-81 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 174-179