1.1.1.422 6.5 - - 752351 1.1.1.422 6.5 - reduction activity 752351 1.1.1.422 6.5 - substrate: 1-phenyl-1,2-propanedione 752351 1.1.1.422 7.8 - assay at 755862 1.1.1.422 10 - oxidation activity 752351