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核小体的重建与差异同位素标记的姐妹组蛋白
JoVE Journal
Biochemistry
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JoVE Journal Biochemistry
Reconstitution of Nucleosomes with Differentially Isotope-labeled Sister Histones
DOI:

09:26 min

March 26, 2017

Chapters

  • 00:05Title
  • 01:03Reconstitution of a Histone Octamer with Differentially Isotope-labeled and Asymmetrically-modified Histone H3
  • 03:20Tandem Affinity Purification of Reconstituted Octamer
  • 05:28Nucleosome Reconstitution
  • 07:07Results: Generation of Differentially Isotope-labeled Nucleosomes for Investigating Cross-talk Mechanisms
  • 08:58Conclusion

Summary

Automatic Translation

这个协议描述了含有差异同位素标记的妹妹组蛋白核小体重构。同时,可使用premodified组蛋白拷贝之后产生不对称翻译后修饰的核小体。这些制剂可以很容易地用于研究修改串扰机制,同时在两个姐姐组蛋白,通过使用高分辨率核磁共振光谱。

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