PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23590552-2 2013 This work presents an ab initio and chemical kinetic study of the reaction mechanisms of hydrogen atom abstraction by the HO2 radical on five ketones: dimethyl, ethyl methyl, n-propyl methyl, iso-propyl methyl, and iso-butyl methyl ketones. Hydrogen 89-97 heme oxygenase 2 Homo sapiens 122-125