Dichlorochromopyrrolate synthase (, RebD, dichlorochromopyrrolic acid synthase) is an enzyme with systematic name 2-imino-3-(7-chloroindol-3-yl)propanoate ammonia-lyase (dichlorochromopyrrolate-forming). This enzyme catalyses the following chemical reaction
This enzyme catalyses a step in the biosynthesis of rebeccamycin.