Mechanism of DNA degradation by CBASS Cap5 endonuclease immune effector

Abstract Bacterial CBASS immune defense systems commonly kill virally infected cells by degrading genomic DNA in a form of cell suicide or abortive infection. We present a high-resolution structure of the CBASS effector Cap5, activated by a cyclic nucleotide, in the act of digesting DNA via tetramer...

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Bibliographic Details
Main Authors: Olga Rechkoblit, Daniela Sciaky, Mi Ni, Yangmei Li, Jithesh Kottur, Gang Fang, Aneel K. Aggarwal
Format: Article
Language:English
Published: Nature Portfolio 2025-06-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-60484-z
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