ID 3.8.1.6 DE 4-chlorobenzoate dehalogenase. CA 4-chlorobenzoate + H2O = 4-hydroxybenzoate + chloride + H(+). CC -!- Catalyzes the first step in the degradation of chlorobenzoate in CC Pseudomonas. CC -!- In many microorganisms, this activity comprises three separate CC enzymes, EC 6.2.1.33, EC 3.8.1.7 and EC 3.1.2.23. //