Tandem affinity purification and identification of protein complex components.

Gould KL, Ren L, Feoktistova AS, Jennings JL, Link AJ
Methods. 2004 33 (3): 239-44

PMID: 15157891 · DOI:10.1016/j.ymeth.2003.11.019

As with the budding yeast Saccharomyces cerevisiae, the completion of the Schizosaccharomyces pombe genome sequence has opened new opportunities to investigate the functional organization of a eukaryotic cell. These include analysis of gene expression patterns, comprehensive gene knockout and synthetic lethal screens, global protein localization analysis, and direct protein interaction mapping. We describe here the tandem affinity purification or TAP approach combined with DALPC mass spectrometry to identify components of protein complexes as we have applied it to S. pombe. This approach can theoretically be applied to the entire proteome as has been done in S. cerevisiae to gain insight into functional protein assemblies and to elucidate functions of uncharacterized proteins.

MeSH Terms (3)

Multiprotein Complexes Schizosaccharomyces Schizosaccharomyces pombe Proteins

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