Ethylene oxidized to Ethylene oxide A simple example of epoxidation is the oxidation of an alkene (olefin) to the epoxide (oxirane), catalysed by CYP1A1. Even the simplest of epoxides (ethylene oxide) can react with DNA and amino groups in a protein. Authored: Jassal, B, 2008-05-19 12:57:01 Edited: Jassal, B, 2008-05-19 12:57:01 Ethylene is oxidized to Ethylene oxide by CYP1A1 GENE ONTOLOGYGO:0009692 Pubmed12464245 Pubmed7217086 Reactome Database ID Release 4376472 Reactome, http://www.reactome.org ReactomeREACT_1447 Reviewed: D'Eustachio, P, 2008-05-28 08:30:54