Question: Repressors are inactivated either by interaction with a small-molecule inducer or by proteolytic cleavage. Why is it advantageous for a repressor like the lac repressor

Repressors are inactivated either by interaction with a small-molecule inducer or by proteolytic cleavage. Why is it advantageous for a repressor like the lac repressor to be inactivated by binding to allolactose rather than by proteolytic cleavage?

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