🧬ap biology review

Repressor Protein

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

A repressor protein is a type of protein that inhibits gene expression by binding to an operator site and blocking transcription.

"Repressor Protein" also found in: