corepressor

[koh-ri-pres-er]

noun

Genetics.

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

Word History and Origins

Origin of corepressor¹

First recorded in 1960–65; co- + repressor

Example Sentences

Scaffold attachment factor SAFB1 suppresses estrogen receptor α-mediated transcription in part via interaction with nuclear receptor corepressor.

From Nature