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MS-Pillar Phosphopeptide Challenge

17 Sep 2017 1:21 PM | Anonymous

The MS-Pillar of the Human Proteome Project invites all HUPO members to participate in the Phosphopeptide challenge. The MS Resource Pillar has partnered with SynPeptide Co. Ltd in Shanghai (www.synpeptide.com) to develop a complex set of human phosphopeptides (Ser, Thr or Tyr) singly and multiply phosphorylated) and their unphosphorylated counterparts that can be used for method development and verification for phosphopeptide enrichment, sequence analysis by mass spectrometry and bioinformatic evaluation. The first stage of this initiative is for interested members of the HUPO community to obtain a set of the peptides and apply their own methods and bioinformatic analysis to fully characterize the peptides as a neat mixture and in a tryptic digest background. As a result of this collaborative endeavor, multiple purification schemes, analytical protocols and data processing strategies will be evaluated, making it possible to determine the approach(es) that provide the highest coverage of phosphopeptides in the mixture.

By partnering with SynPeptide the peptide sets are being provided free-of-charge to all HUPO members, with the understanding that the analytical and data processing methods and results will be returned to the MS Resource Pillar committee so they can be collated and reported at the HUPO 2018 meeting. Free aliquots of the peptide mixtures can be obtained at the HUPO2017 Congress in Dublin from Peter Hoo from the SynPeptide stand. MS-Pillar Chair Prof. Sue Weintraub will make a short presentation on Monday September 18 at 16:30.





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