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Massenspektrometrische Ansätze zur Proteinstruktur und Wechselwirkungen zu untersuchen in lyophilisierte Pulver
JoVE Journal
Química
This content is Free Access.
JoVE Journal Química
Mass Spectrometric Approaches to Study Protein Structure and Interactions in Lyophilized Powders
DOI:

11:14 min

April 14, 2015

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Capítulos

  • 00:05Título
  • 01:39Solid-state Hydrogen Deuterium Exchange Mass Spectrometry for Intact Protein
  • 04:34Solid-state Hydrogen Deuterium Exchange Mass Spectrometry for Proteins at the Peptide Level
  • 06:23Solid-state Photolytic Labeling for Intact Protein
  • 07:36Solid-state Photolytic Labeling for Poteins at the Peptide Level
  • 09:24Results: Obtaning Backbone and Side-chain Exposure Information for Protein Formulations
  • 10:28Conclusion

Summary

Tadução automática

Here, we present detailed protocols for solid-state amide hydrogen/deuterium exchange mass spectrometry (ssHDX-MS) and solid-state photolytic labeling mass spectrometry (ssPL-MS) for proteins in solid powders. The methods provide high-resolution information on protein conformation and interactions in the amorphous solid-state, which may be useful in formulation design.

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