Activator

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

A transcriptional activator is a protein (transcription factor) that increases transcription of a gene or set of genes. Activators are considered to have positive control over gene expression, as they function to promote gene transcription and, in some cases, are required for the transcription of genes to occur.

Excerpt from the Wikipedia article “Activator (genetics)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Lac_operon.png: G3pro derivative work: Tereseik (talk), CC BY 2.0, via Wikimedia Commons.