Promoters
Type
Guide
...by various DNA regulatory sequences, including enhancers, boundary elements, insulators, and silencers... RNA polymerase), an operator (a segment of DNA in which a repressor or activator can bind), and the structural...genes that are controlled by a single promoter and operator. Operons are common in prokayotes, specifically...its conformation, preventing its binding to the operator and thus allowing for transcription. The Lac operon...transcribed until a repressor/corepressor binds to the operator preventing transcription. The trp operon involved... sequences. It is not unusual to have several regulatory elements, such as enhancers, several kilobases...factors, and other accessory proteins (such as activators and structural proteins) make up the transcription...