ID 1.14.12.9 DE 4-chlorophenylacetate 3,4-dioxygenase. CA 4-chlorophenylacetate + NADH + O2 = 3,4-dihydroxyphenylacetate + CA chloride + NAD(+). CC -!- A system, containing a reductase and an iron-sulfur oxygenase, and no CC independent ferredoxin. CC -!- Also acts on 4-bromophenyl acetate. CC -!- Formerly EC 1.13.99.4. //