Assembly of Cas7 subunits of Leptospira on the mature crRNA of CRISPR-Cas I-B is modulated by divalent ions

Gene(2022)

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摘要
•rLinCas7 is a divalent metal ion-dependent non-specific endoDNase.•The pure rLinCas7 remains as a monomer in the solution.•rLinCas7 oligomerizes on crRNA exclusively in the presence of Mg2+ ions.•rLinCas7 acts as a non-specific RNase in the absence of Mg2+ ions.
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关键词
Leptospira interrogans,CRISPR-Cas type I-B,LinCas7,Cas7,DNase,RNase
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