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Protein Complex Affinity Capture from Cryomilled Mammalian Cells
Published on: December 9, 2016
Capturing cellular machines by systematic screens of protein complexes
Julien Gagneur1, Lior David, Lars M Steinmetz
1European Molecular Biology Laboratory, Heidelberg 69117, Germany.
Trends in Microbiology
|June 20, 2006
Summary
Two studies mapped yeast protein complexes, identifying partners for half the proteome. The data reveal a modular cellular network and offer insights into large-scale biological data integration.
Area of Science:
- Proteomics
- Systems Biology
- Molecular Biology
Background:
- Understanding protein complex organization is crucial for deciphering cellular functions.
- Previous efforts have partially mapped protein interactions, but comprehensive screens are needed.
Purpose of the Study:
- To present the most complete screen for protein complexes in yeast to date.
- To compare and integrate complementary large-scale datasets.
- To investigate the modular organization of the cellular protein network.
Main Methods:
- Large-scale screening for protein complex identification in yeast.
- Comparative analysis of two independent datasets.
- Bioinformatic analysis to infer network organization.
Main Results:
- Approximately half of the yeast proteome's protein complex partners were identified.
- The two datasets were found to be complementary, enhancing coverage.
- Evidence for a modular organization within the cellular protein network was observed.
Conclusions:
- These comprehensive datasets provide a valuable resource for yeast cell biology.
- The findings offer principles for integrating diverse large-scale biological data.
- The data facilitate the derivation of properties for cellular protein machines.
