1.7.3.5 394386 Propionate-3-nitronate oxidase from Penicillium atrovenetum is a flavoprotein which initiates the autoxidation of its substrate by O2 J. Biol. Chem. 262 14428-14434 1987 Penicillium atrovenetum http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=3667582&form=6&db=m