PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11456500-6 2001 Intramolecular deuterium isotope effects for the benzylic hydroxylation of o-xylene-alpha-(2)H(3), p-xylene-alpha-(2)H(3), 2-(2)H(3),6-dimethylnaphthalene, and 4-(2)H(3),4"-dimethylbiphenyl were determined for CYP4B1 and CYP2B1 to further map their active site dimensions. o-xylene-alpha- 75-90 cytochrome P450 4B1 Oryctolagus cuniculus 210-216