obsolete 2,3-dihydroxy DDT 1,2-dioxygenase activity (obsolete GO:0018542)
OBSOLETE. Catalysis of the reaction: 2,3-dihydroxy DDT + O2 = 6-oxo-2-hydroxy-7-(4-chlorophenyl)-3,8,8,8-tetrachloroocta-2E,4E-dienoate.