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A New Approach for the Comparative Analysis of Multiprotein Complexes Based on 15N Metabolic Labeling and Quantitative Mass Spectrometry
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A New Approach for the Comparative Analysis of Multiprotein Complexes Based on 15N Metabolic Labeling and Quantitative Mass Spectrometry

A New Approach for the Comparative Analysis of Multiprotein Complexes Based on 15N Metabolic Labeling and Quantitative Mass Spectrometry

DOI:
10.3791/51103-v

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08:04 min

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March 13, 2014

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, , ,
1Institute of Plant Biology and Biotechnology,University of Münster, 2Department of Plant Biology,Carnegie Institution for Science

Chapters

  • 00:05Title
  • 01:21Anaerobic Induction and Isolation of Thylakoid Membranes
  • 04:21Loading Photosystem Sucrose Density Gradients and Fractionation
  • 05:53Results: Labeling and Quantitative Mass Spectrometry on Multiprotein Complexes
  • 07:18Conclusion

Summary

Automatic Translation

Automatic Translation

The described comparative, quantitative proteomic approach aims at obtaining insights into the composition of multiprotein complexes under different conditions and is demonstrated by comparing genetically different strains. For quantitative analysis equal volumes of different fractions from a sucrose density gradient are mixed and analyzed by mass spectrometry.

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Keywords: 15N Metabolic LabelingQuantitative Mass SpectrometryMultiprotein Complex AnalysisThylakoid MembraneCyclic Electron FlowChlamydomonas ReinhardtiiProtein Complex CompositionSucrose Density Gradient CentrifugationSDS-PAGEImmunodetectionDifferential LabelingComparative AnalysisANR1CASPGRL1FNRCyt F

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