corepressor

[koh-ri-pres-er]

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. 2018

corepressor in Medicine

(kō′rĭ-prĕs′ər)

A substance that combines with and activates a genetic repressor, thus preventing gene transcription and inhibiting protein synthesis.