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对酶活性G4 Resolvase1净化用G-四DNA亲和方法
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JoVE 신문 생화학
A G-quadruplex DNA-affinity Approach for Purification of Enzymatically Active G4 Resolvase1
DOI:

11:25 min

March 18, 2017

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Chapters

  • 00:05Title
  • 00:54Lyse Bacterial Pellets Expressing Human Recombinant G4 Resolvase1 (rG4R1)
  • 03:06Prepare G4-magnetic Beads
  • 04:07Bind Histidine-tagged rG4R1 to Cobalt Beads
  • 05:47Elute rG4R1 from Cobalt Beads
  • 07:07Bind rG4R1 to G4-bound SPB and Elute in an ATP-dependent Manner
  • 08:55Results: Analysis and Quantification of Catalytically Active, Purified rG4R1
  • 10:06Conclusion

Summary

자동 번역

G4 Resolvase1结合G-四(G4)的结构与一个G4结合蛋白的紧密报道的亲和力,并表示在HeLa细胞中的大多数G4-DNA解旋活动。我们描述了线束的亲和力和G4-Resolvase1的ATP依赖的平仓活动,特别是净化催化活性的重组G4R1一个新的协议。

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