A comparison of MS2 based label-free quantitative proteomics techniques with regards to accuracy and precision

The advent of algorithms for fragmentation spectrum-based label-free quantitative proteomics has enabled straightforward quantification of shotgun proteomic experiments. Despite the popularity of these approaches, few studies have been performed to assess their performance. We have therefore profiled the precision and the accuracy of three distinct relative label-free methods on both the protein and the proteome level. We derived our test data from two well-characterized publicly available quantitative data sets.

Colaert N, Vandekerckhove J, Gevaert K, Martens L. ‘A comparison of MS2-based label-free quantitative proteomic techniques with regards to accuracy and precision.’ Proteomics. 2011 Mar;11(6):1110-3.

pubmed:  http://www.ncbi.nlm.nih.gov/pubmed/21365758

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