The definitive guide to gene editing.
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Term · Editing

dCas9

A version of Cas9 that can still find its target but cannot cut. It is the foundation of base editors, prime editors and gene-regulation tools.

Written by The CRISPR Atlas editorial team Last updated Aug 19, 2026
Educational information only This page is a reference, not medical advice. Research and regulatory status change; check the last-updated date above and confirm anything important against the primary sources listed.