期刊
PROTEOMICS
卷 10, 期 23, 页码 4306-4310出版社
WILEY
DOI: 10.1002/pmic.201000270
关键词
Bioinformatics; MS proteomics; Peptides; RESTful interface; Web service
资金
- BSF [2007219]
- EU FRVII Prospects consortium
Recent developments in MS based proteomics have increased the emphasis on peptides as a primary observable While peptides are identified by tandem mass spectra the link between peptide and protein remains implicit given the bottom up nature of the experiment in which proteins are enzymatically digested prior to sequencing It is therefore useful to provide a fast lookup from peptide to protein in order to systematically establish the broadest possible protein basis for the observed peptides Here we describe Pep2Pro a fast web service providing protein lookup by peptides covering the entire protein space comprising 10 million UniRef100 sequences We demonstrate the usefulness of the service by reanalyzing peptides from two recent meta proteomic data sets and identifying taxon specific peptides thereby implicating individual species as being present in these complex samples The Pep2Pro web service can be accessed at http //www pep2pro org
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