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השיטה לחזות ולנתח חלבוני אינטראקצית ממברנה ידי הילוכים מיקרוסקופים אלקטרונים
Journal JoVE
Biochimie
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Journal JoVE Biochimie
Method to Visualize and Analyze Membrane Interacting Proteins by Transmission Electron Microscopy
DOI:

10:49 min

March 05, 2017

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Chapitres

  • 00:05Titre
  • 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

Traduction automatique

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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