. "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." . . . "Acetylacetone-cleaving enzyme" . "Acetylacetone dioxygenase" . "Diketone cleaving dioxygenase" . "Diketone cleaving enzyme" . "Pentane-2,4-dione + O(2) = acetate + methylglyoxal." . "Iron" .