Repressible Operons

Definition

Repressible operons are gene systems whose transcription is inhibited in the presence of certain molecules, typically end products of metabolic pathways.

Related terms

Positive Regulation: The process where regulatory proteins increase the rate of gene transcription.

Allosteric Regulation:

The regulation of an enzyme or other protein by binding an effector molecule at a site other than the protein's active site.

Gene Expression:

The process by which information from a gene is used in the synthesis of a functional gene product (like proteins).