8flj
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Cas1-Cas2/3 integrase and IHF bound to CRISPR leader, repeat and foreign DNA
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Structural highlights
FunctionCAS1_PSEAB CRISPR (clustered regularly interspaced short palindromic repeat), is an adaptive immune system that provides protection against mobile genetic elements (viruses, transposable elements and conjugative plasmids). CRISPR clusters contain sequences complementary to antecedent mobile elements and target invading nucleic acids. CRISPR clusters are transcribed and processed into CRISPR RNA (crRNA). Involved in the integration of spacer DNA into the CRISPR cassette (By similarity). Acts as a ss- and dsDNA-specific endonuclease.[1] References
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This page was last modified 06:21, 6 September 2023.