PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1302044-0 1992 Biotransformation of caffeine, paraxanthine, theobromine and theophylline by cDNA-expressed human CYP1A2 and CYP2E1. Theobromine 45-56 cytochrome P450 family 1 subfamily A member 2 Homo sapiens 98-104 1302044-3 1992 The metabolic profile of caffeine biotransformation by CYP1A2 averaged 81.5% for paraxanthine, 10.8% for theobromine and 5.4% for theophylline formation. Theobromine 105-116 cytochrome P450 family 1 subfamily A member 2 Homo sapiens 55-61