In some cases another molecule, an inducer, may bind to the repressor, weakening its bonds with the operator and depressing the gene , allowing transcription to proceed.

• 在某些情况下，另外一种分子，即诱导物，可能与抑制子结合，减弱它与操纵子的结合作用，使基因去阻抑，转录可以进行。