PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11456500-3 2001 Reaction of CYP4B1, CYP2B1, and CYP102 with phenyldiazene produced spectroscopically observable sigma-complexes for each enzyme. phenyldiazene 44-57 cytochrome P450 4B1 Oryctolagus cuniculus 12-18