1.13.11.50 1,1,1-trifluoro-2,4-pentanedione + O2 - Acinetobacter johnsonii ? - ? 386927 1.13.11.50 1,1,1-trifluoro-pentane-2,4-dione + O2 - Acinetobacter johnsonii ? - ? 386928 1.13.11.50 1,1-difluoro-2,4-pentanedione + O2 - Acinetobacter johnsonii ? - ? 386933 1.13.11.50 1,1-difluoropentane-2,4-dione + O2 - Acinetobacter johnsonii ? - ? 425219 1.13.11.50 1-phenyl-1,3-butanedione + O2 - Acinetobacter johnsonii ? - ? 353285 1.13.11.50 1-phenylbutane-1,3-dione + O2 - Acinetobacter johnsonii ? - ? 375562 1.13.11.50 2,4-dioxopentanoic acid ethyl ester + O2 - Acinetobacter johnsonii ? - ? 353289 1.13.11.50 2,4-dioxopentanoic acid ethyl ester + O2 poor substrate Acinetobacter johnsonii ? - ? 353289 1.13.11.50 2,4-nonadione + O2 poor substrate Acinetobacter johnsonii ? - ? 353287 1.13.11.50 2,4-octanedione + O2 - Acinetobacter johnsonii ? - ? 353279 1.13.11.50 2-acetylcyclohexanone + O2 - Acinetobacter johnsonii ? - ? 353280 1.13.11.50 3,4-dihydroxyphenylacetate + O2 - Acinetobacter johnsonii ? - ? 288926 1.13.11.50 3,5-heptanedione + O2 - Acinetobacter johnsonii ? - ? 353282 1.13.11.50 3-methyl-2,4-pentanedione + O2 - Acinetobacter johnsonii ? - ? 353278 1.13.11.50 3-oxobutanone + O2 - Acinetobacter johnsonii ? - ? 353283 1.13.11.50 4,4-difluoro-1-phenyl-1,3-butanedione + O2 - Acinetobacter johnsonii ? - ? 387406 1.13.11.50 4-hydroxy-4-methyl-2-pentanone + O2 - Acinetobacter johnsonii ? - ? 353284 1.13.11.50 5,5-dimethylhexane-2,4-dione + O2 poor substrate Acinetobacter johnsonii ? - ? 353286 1.13.11.50 acetylacetone + O2 - Acinetobacter johnsonii acetate + 2-oxopentanal - ? 413246 1.13.11.50 acetylcyclohexanone + O2 poor substrate Acinetobacter johnsonii ? - ? 353288 1.13.11.50 ethylacetoacetate + O2 - Acinetobacter johnsonii ? - ? 353281 1.13.11.50 additional information no substrate: 4-hydroxy-4-methyl-2-pentanone, 3-oxobutanoate, quercetin, catechols, 2,4`-dihydroxyacetophenone, ascorbate Acinetobacter johnsonii ? - ? 89 1.13.11.50 additional information the catalytic reaction proceeds via one common rate-limiting step in the clevage of all substrates accepted by the enzyme Acinetobacter johnsonii ? - ? 89 1.13.11.50 additional information residues Arg80 and Tyr70 promote O2 reduction Acinetobacter johnsonii ? - ? 89 1.13.11.50 additional information the enzyme is a mononuclear non-heme iron enzymes, Dke1 active site modelling, overview Acinetobacter johnsonii ? - ? 89 1.13.11.50 additional information acetylacetone dioxygenase catalyzes the dioxygen-dependent degradation of beta-dicarbonyl compounds Acinetobacter johnsonii ? - ? 89 1.13.11.50 additional information Dke1 also performs the atypical cleavage of the alpha-keto acid, 4-hydroxyphenylpyruvate, to form 4-hydroxybenzaldehyde as product instead of the homogentisate product found for 4-hydroxyphenylpyruvate with 4-hydroxyphenylpyruvate dioxygenase, EC 1.13.11.27, analysis of the bonding of the alpha-keto acid, 4-hydroxyphenylpyruvate, to ferrous Dke1 using anaerobic Dke1, added ferrous ammonium sulfate, and 4-hydroxyphenylpyruvate at pH 7.0, overview Acinetobacter johnsonii ? - ? 89 1.13.11.50 additional information iron(II) complexes [Fe(L)(CH3CN)3](SO3CF3)2 of tris(2-pyridyl)-based ligands exhibit very similar chemical surroundings to the active site of the enzyme and mimic its functions Paraburkholderia xenovorans ? - - 89 1.13.11.50 additional information Ni(II)-complex-adducts show regioselective oxidative cleavage of the aliphatic C-C bond using dioxygen via the substrate activation mechanism without changing the oxidation state of nickel(II) as similar to the wild type enzyme Acinetobacter johnsonii ? - - 89 1.13.11.50 pentane-2,4-dione + O2 - Acinetobacter johnsonii acetate + 2-oxopropanal - ? 353277 1.13.11.50 pentane-2,4-dione + O2 i.e. acetylacetone Acinetobacter johnsonii acetate + 2-oxopropanal i.e. acetate and acetone ? 353277 1.13.11.50 pentane-2,4-dione + O2 - Acinetobacter johnsonii methylglyoxal + acetate - ? 402829 1.13.11.50 pentane-2,4-dione + O2 - Acinetobacter johnsonii acetate + methylglyoxal - ? 424963 1.13.11.50 potassium oxalate + O2 - Acinetobacter johnsonii ? - ? 406430 1.13.11.50 quercetin + O2 - Acinetobacter johnsonii ? - ? 289481