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酵素的に活性G4 Resolvase1の精製のためのG-四重鎖DNA親和性のアプローチ
JoVE Journal
Biochemistry
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JoVE Journal Biochemistry
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

Automatic Translation

G4 Resolvase1はG4結合タンパク質のための最も厳しい報告親和性でG-四重鎖(G4)の構造に結合し、HeLa細胞におけるG4-DNA巻き戻し活性の大部分を表しています。我々は、具体的には、触媒活性組換えG4R1を精製するための親和性およびG4-Resolvase1のATP依存性巻き戻し活性を活かした新たなプロトコルを記述します。

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