ID 1.14.19.55 DE 4-hydroxybenzoate brominase (decarboxylating). CA (1) 4-hydroxybenzoate + 2 NADPH + 2 bromide + 2 O(2) + 2 H(+) = 2,4- CA dibromophenol + 2 NADP(+) + CO(2) + 4 H(2)O. CA (2) 3,4-dihydroxybenzoate + 2 NADPH + 2 bromide + 2 O(2) + 2 H(+) = 3,5- CA dibromobenzene-1,2-diol + 2 NADP(+) + CO(2) + 4 H(2)O. CF FAD. CC -!- The enzyme, described from epiphytic marine bacteria of the genera CC Pseudoalteromonas and Marinomonas, is an unusual single-component CC FAD-dependent halogenase that contains a distinct NAD(P)H binding CC domain and does not require an additional flavin reductase for CC activity. CC -!- The enzyme catalyzes a bromination of its substrate, followed by a CC second bromination concurrent with decarboxylation. //