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The repressor is synthesized as a form that alone cannot bind to the operator. When a molecule, termed a corepressor binds to it, however, its shape is altered so that it can bind to the operator, blocking transcription initiation.

The repressor is synthesized as a form that effectively binds to the operator, blocking transcription initiation. The binding to it of a molecule that functions as an inducer, alters the shape of the repressor so that it no longer binds to the operator. Consequently, the gene can be transcribed.

Mechanism 1

Repressor

Promoter (with RNA polymerase)

Bacterial Vaginosis Facts

Bacterial Vaginosis Facts

This fact sheet is designed to provide you with information on Bacterial Vaginosis. Bacterial vaginosis is an abnormal vaginal condition that is characterized by vaginal discharge and results from an overgrowth of atypical bacteria in the vagina.

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