active repressor

Medical Dictionary

active repressor n.
A repressor that binds directly with an operator gene to block it and its structural genes from synthesizing enzymes; it is a homeostatic mechanism for the regulation of inducible enzyme systems.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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