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Diverse routes to Cas3 activation in type I CRISPR-Cas immunity.

Sep 2026 · Cell Reports · Vol 45 9, pp. 117899 · 0 citations · 8 references
Medicine

TL;DR

This study reveals different Cas3 activation mechanisms and a dual role of ATP in target degradation and collateral cleavage in target degradation and collateral cleavage.

Abstract

Jiang et al. show that the type I-A CRISPR system of Saccharolobus islandicus recruits Cas3 only after target recognition. Their study reveals different Cas3 activation mechanisms and a dual role of ATP in target degradation and collateral cleavage.

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