PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10584066-5 1999 They were used to characterize explicit enzyme-substrate complexes using the isoform-specific substrates progesterone and (S)-mephenytoin for 2C19 and 2-[2,3-dichloro-4-(3-hydroxypropyloxy)benzoyl]thiophene for 2C18. Mephenytoin 122-137 adaptor related protein complex 1 associated regulatory protein Homo sapiens 211-215