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透過型電子顕微鏡により膜相互作用タンパク質を視覚化し、分析するための方法
JoVE 杂志
生物化学
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JoVE 杂志 生物化学
Method to Visualize and Analyze Membrane Interacting Proteins by Transmission Electron Microscopy
DOI:

10:49 min

March 05, 2017

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Chapters

  • 00:05Title
  • 01:08Preparation, Reconstitution, and Analysis of Empty Nanodiscs
  • 05:11Preparation and Analysis of the Nanodisc-Monotopic Protein Complex
  • 07:56Results: Monotopic Membrane Protein Binding on the Surfaces of Empty Nanodiscs (NDs)
  • 09:26Conclusion

Summary

自动翻译

Many proteins perform their function when attached to membrane surfaces. The binding of extrinsic proteins on nanodisc membranes can be indirectly imaged by transmission electron microscopy. We show that the characteristic stacking (rouleau) of nanodiscs induced by the negative stain sodium phosphotungstate is prevented by the binding of extrinsic protein.

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