Universal sample preparation method for proteome analysis.

Wiśniewski, Jacek R; Zougman, Alexandre; Nagaraj, Nagarjuna; Mann, Matthias · Nat Methods · 2009

basic_science · Level V

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Abstract

We describe a method, filter-aided sample preparation (FASP), which combines the advantages of in-gel and in-solution digestion for mass spectrometry-based proteomics. We completely solubilized the proteome in sodium dodecyl sulfate, which we then exchanged by urea on a standard filtration device. Peptides eluted after digestion on the filter were pure, allowing single-run analyses of organelles and an unprecedented depth of proteome coverage.

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