ENZYME VARIANTS
    824.
    发明公开
    ENZYME VARIANTS 审中-公开

    公开(公告)号:US20240043820A1

    公开(公告)日:2024-02-08

    申请号:US18266385

    申请日:2021-12-13

    CPC classification number: C12N9/22 C12N15/63 C12N2310/20

    Abstract: Provided herein are Cas9 proteins comprising SEQ ID NO:1 or a sequence at least 80% identical thereto, wherein: the amino acid residues at positions 765 to 780 are replaced by the amino acid sequence of SEQ ID NO:5 or SEQ ID NO:6; the amino acid residues at positions 838 to 853 are replaced by the amino acid sequence of SEQ ID NO:7, SEQ ID NO:8, SEQ ID NO:9 or SEQ ID NO:10; and/or the amino acid residues at positions 911 to 925 are replaced by the amino acid sequence of SEQ ID NO:11, SEQ ID NO:12 or SEQ ID NO:13. Also provided are Cas9 proteins comprising an HNH domain comprising the amino acid sequence of SEQ ID NO:14 or a sequence at least 80% identical thereto, wherein: the amino acid residues at positions 1 to 16 are replaced by the amino acid sequence of SEQ ID NO:5 or SEQ ID NO:6; the amino acid residues at positions 74 to 89 are replaced by the amino acid sequence of SEQ ID NO:7, SEQ ID NO:8, SEQ ID NO:9 or SEQ ID NO:10; and/or the amino acid residues at positions 147 to 161 are replaced by the amino acid sequence of SEQ ID NO:11, SEQ ID NO:12 or SEQ ID NO:13.

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