Article ; Online: Insights into the inhibition of protospacer integration via direct interaction between Cas2 and AcrVA5.
2024 Volume 15, Issue 1, Page(s) 3256
Abstract: Spacer acquisition step in CRISPR-Cas system involves the recognition and subsequent integration of protospacer by the Cas1-Cas2 complex in CRISPR-Cas systems. Here we report an anti-CRISPR protein, AcrVA5, and reveal the mechanisms by which it strongly ... ...
Abstract | Spacer acquisition step in CRISPR-Cas system involves the recognition and subsequent integration of protospacer by the Cas1-Cas2 complex in CRISPR-Cas systems. Here we report an anti-CRISPR protein, AcrVA5, and reveal the mechanisms by which it strongly inhibits protospacer integration. Our biochemical data shows that the integration by Cas1-Cas2 was abrogated in the presence of AcrVA5. AcrVA5 exhibits low binding affinity towards Cas2 and acetylates Cas2 at Lys |
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MeSH term(s) | CRISPR-Associated Proteins/metabolism ; CRISPR-Cas Systems |
Chemical Substances | CRISPR-Associated Proteins |
Language | English |
Publishing date | 2024-04-16 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 2553671-0 |
ISSN | 2041-1723 ; 2041-1723 |
ISSN (online) | 2041-1723 |
ISSN | 2041-1723 |
DOI | 10.1038/s41467-024-47713-7 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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