PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18039807-6 2008 Compared with paclitaxel, the major hydroxylation site transferred from C6alpha to C4"", and the main metabolizing P450 changed from CYP2C8 to CYP3A4 for cephalomannine. cephalomannine 154-168 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 143-149 18039807-9 2008 Kinetic studies showed that CYP3A4 catalyzed cephalomannine more efficiently than paclitaxel due to an increased V(m). cephalomannine 45-59 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 28-34