Trp Operons

Definition

The trp operon is a repressible system found in E. coli that controls the production of tryptophan by regulating five different enzymes required for its synthesis.

Related terms

Repressor Protein:

A protein that inhibits gene transcription by binding to DNA sequences within or near those genes.

Corepressor: A substance that inhibits the expression of genes by binding to and activating a repressor protein.

Negative Feedback: A mechanism that reduces or suppresses the output of a system, often used in biological systems to maintain homeostasis.