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साइट निर्देशित स्पिन लेबल और Pentameric ligand-gated आयन चैनलों के EPR स्पेक्ट्रोस्कोपी अध्ययन
JoVE Journal
Química
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JoVE Journal Química
Site Directed Spin Labeling and EPR Spectroscopic Studies of Pentameric Ligand-Gated Ion Channels
DOI:

11:19 min

July 04, 2016

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Capítulos

  • 00:05Título
  • 00:51Gloeobacter violaceus (GLIC) Expression and Purification
  • 05:31GLIC Reconstitution in Asolectin Membranes
  • 07:33EPR Measurements
  • 08:42Results: Characterization of Pentameric Ligand-Gated Ion Channels
  • 10:06Conclusion

Summary

Tadução automática

This article describes methods for site-directed spin labeling and reconstitution of pentameric ligand-gated channels for Electron Paramagnetic Resonance studies. This protocol can be adapted for any membrane protein. The reconstitution method described here can also be used for patch-clamp measurements of macroscopic and single-channel currents in a defined lipid system.

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