Activator Notes: Definitions & Explanations PDF | Download eBooks
Study Activator lecture notes PDF with molecular biology definitions and explanation to study What is Activator?. Study activator explanation with molecular biology terms to review molecular biology course for online degree programs.
Activator Definition:
A protein that binds to an enhancer (or activatorbinding region) and activates transcription from a nearby promoter. In eukaryotes, stimulates formation of a preinitiation complex..
Molecular Biology by Robert F. Weaver
Activator Notes:
An Activator is a protein (transcription factor) that activates transcription by binding to an activator-binding region (also called an enhancer). It basically increases gene transcription, of a single gene, or a set of genes. Mostly activators are DNA-binding proteins that pair with promoter-proximal elements or enhancer.
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