- a site in the operon to which a repressor can bind, shutting off transcription of structural genes in the operon.
- in an operon, the site at which the repressor binds, shutting off transcription
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row
- A prokaryotic regulatory element that interacts with a repressor to control the transcription of adjacent structural genes.