The trp operon contains five genes: trpE trpD trpC trpB andtrpA. These five gene

The trp operon contains five genes: trpE trpD trpC trpB andtrpA. These five genes code for components that produce threeenzymes that catalyze the biosynthesis of tryptophan. The trpLregion is the leader region which helps regulate transcriptiononce RNA polymerase has initiated transcription.