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Mol Cell. 2010 Jun 25;38(6):916-28. doi: 10.1016/j.molcel.2010.06.002.

A consensus of core protein complex compositions for Saccharomyces cerevisiae.

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  • 1Department of Physiological Chemistry, University Medical Centre Utrecht, 3584 CG Utrecht, The Netherlands.

Abstract

Analyses of biological processes would benefit from accurate definitions of protein complexes. High-throughput mass spectrometry data offer the possibility of systematically defining protein complexes; however, the predicted compositions vary substantially depending on the algorithm applied. We determine consensus compositions for 409 core protein complexes from Saccharomyces cerevisiae by merging previous predictions with a new approach. Various analyses indicate that the consensus is comprehensive and of high quality. For 85 out of 259 complexes not recorded in GO, literature search revealed strong support in the form of coprecipitation. New complexes were verified by an independent interaction assay and by gene expression profiling of strains with deleted subunits, often revealing which cellular processes are affected. The consensus complexes are available in various formats, including a merge with GO, resulting in 518 protein complex compositions. The utility is further demonstrated by comparison with binary interaction data to reveal interactions between core complexes.

Copyright (c) 2010 Elsevier Inc. All rights reserved.

PMID:
20620961
[PubMed - indexed for MEDLINE]
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