Additional file 1.

Peak. Formatted tables containing peaks from the 125 IPP MALDI-MS spectra as detected by FlexAnalysis and binned using the software MS-Screener. The first worksheet contains all peaks except for those occurring less than three times; the following worksheets show the successive processing as outlined under Methods. The two worksheets labeled with the identifier 'Exported' contain the datasets used for generation of heatmaps and dendrograms shown in Fig. 2 and Fig. 4.

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Feltens et al. BMC Evolutionary Biology 2010 10:95   doi:10.1186/1471-2148-10-95