Modified Pae CasDinG helicase and application thereof

The invention provides a modified Pae CasDinG helicase and application thereof, and relates to the technical field of gene sequencing. The invention firstly provides a CasDinG helicase truncation with unwinding activity, and further provides a modified PaeCasDinG helicase which is used for covalentl...

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Bibliographische Detailangaben
Hauptverfasser: CUI YANG, LOU JIZHONG, GU TIANYAN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention provides a modified Pae CasDinG helicase and application thereof, and relates to the technical field of gene sequencing. The invention firstly provides a CasDinG helicase truncation with unwinding activity, and further provides a modified PaeCasDinG helicase which is used for covalently linking a WalKerA motif and a WalkerB motif in an HD1 structural domain through a connecting molecule, and the modification improves the binding stability of the PaeCasDinG helicase and polynucleotides. 本发明提供了一种修饰的Pae CasDinG解旋酶及其应用,涉及基因测序技术领域。本发明首先提供了具有解旋活性的CasDinG解旋酶截短体,进一步提供了通过连接分子将HD1结构域中WalKerA基序和WalkerB基序共价连接的经修饰的Pae CasDinG解旋酶,所述修饰提高了本发明Pae CasDinG解旋酶与多核苷酸结合的稳定性。