PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 15122911-6 2004 Nitroxide radicals could be converted to their corresponding 2,2-DMPy metabolites by "inactivated CYP3A4", as well as by a number of other heme proteins and hemin, suggesting that this is a heme-catalyzed process. 2,2-dmpy 61-69 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 98-105 15122911-7 2004 The conversion of nitroxide radicals to the 2,2-DMPy products by CYP3A4 or hemin was accompanied by the generation of acetone in incubations, providing evidence that the three-carbon unit from 2,2,6,6-TMPi was lost as acetone. 2,2-dmpy 44-52 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 65-71