1.13.11.50 pentane-2,4-dione + O2 = acetate + 2-oxopropanal - - 1.13.11.50 pentane-2,4-dione + O2 = acetate + 2-oxopropanal An Fe(II)-dependent enzyme. Forms the first step in the acetylacetone degradation pathway of Acinetobacter johnsonii. While acetylacetone is by far the best substrate, heptane-3,5-dione, octane-2,4-dione, 2-acetylcyclohexanone and ethyl acetoacetate can also act as substrates - 1.13.11.50 pentane-2,4-dione + O2 = acetate + 2-oxopropanal first step - 1.13.11.50 pentane-2,4-dione + O2 = acetate + 2-oxopropanal reaction mechanism 657866