corepressor

[ koh-ri-pres-er ]
/ ˌkoʊ rɪˈprɛs ər /

noun Genetics.

a molecule that is capable of combining with a specific repressor molecule and activating it, thereby blocking gene transcription.

Origin of corepressor

First recorded in 1960–65; co- + repressor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for corepressor

corepressor

[ kō′rĭ-prĕsər ]

n.

A substance that combines with and activates a genetic repressor, thus preventing gene transcription and inhibiting protein synthesis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.