Tags: Enzyme.
Tryptophan 7-halogenase (EC 1.14.14.7 PrnA RebH) is an enzyme with system name L-tryptophan:FADH2 oxidoreductase (7-halogenating). This enzyme catalyses the following chemical reaction tryptophan + FADH2 + Cl- + O2 + H+ 7-chloro-L-tryptophan + FAD + 2 H2OIn Lechevalieria aerocolonigenes the enzyme catalyses the initial step in the biosynthesis of rebeccamycin.