inactive repressor

in·ac·tive re·pres·sor

1. a repressor that cannot combine with an operator gene until it has combined with a corepressor (usually a product of a protein pathway); after activation, the repressor arrests production of the proteins controlled by the operator gene; 2. a homeostatic mechanism for regulation of repressible enzyme systems.

in·ac·tive re·pres·sor

(in-ak'tiv rĕ-pres'ŏr) A repressor that cannot combine with an operator gene until it has combined with a corepressor (usually a product of a protein pathway); after activation, the repressor arrests production of the proteins controlled by the operator gene; a homeostatic mechanism for regulation of repressible enzyme systems.
Synonym(s): aporepressor.