The tryptophan operator… A is an allosteric protein. binds to the tryptophan repressor when the repressor…

The tryptophan operator… A is an allosteric protein. binds to the tryptophan repressor when the repressor is bound to tryptophan 0 is required for production of the mRNA encoded by the tryptophan operon 1. is important for the production of the tryptophan repressor.