Figure 1: Taverna scientific workflow, for the proteomics data processing based on the TPP. The raw data is converted to the mzXML format by CompassXport and each file is then separately searched by X!Tandem and SpectraST. Only peptides with PeptideProphet probabilities =0.95 were included in the further analysis. The separate search results were combined by InterProphet. The workflow allows parallel sample processing.