ICC-CLASS : isotopically-coded cleavable crosslinking analysis software suite

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dc.contributor.authorPetrotchenko, Evgeniy V.
dc.contributor.authorBorchers, Christoph F.
dc.date.accessioned2014-08-11T19:06:08Z
dc.date.available2014-08-11T19:06:08Z
dc.date.copyright2010en_US
dc.date.issued2010-01-28
dc.descriptionBioMed Centralen_US
dc.description.abstractBackground: Successful application of crosslinking combined with mass spectrometry for studying proteins and protein complexes requires specifically-designed crosslinking reagents, experimental techniques, and data analysis software. Using isotopically-coded ("heavy and light”) versions of the crosslinker and cleavable crosslinking reagents is analytically advantageous for mass spectrometric applications and provides a “handle” that can be used to distinguish crosslinked peptides of different types, and to increase the confidence of the identification of the crosslinks. Results: Here, we describe a program suite designed for the analysis of mass spectrometric data obtained with isotopically-coded cleavable crosslinkers. The suite contains three programs called: DX, DXDX, and DXMSMS. DX searches the mass spectra for the presence of ion signal doublets resulting from the light and heavy isotopic forms of the isotopically-coded crosslinking reagent used. DXDX searches for possible mass matches between cleaved and uncleaved isotopically-coded crosslinks based on the established chemistry of the cleavage reaction for a given crosslinking reagent. DXMSMS assigns the crosslinks to the known protein sequences, based on the isotopically-coded and un-coded MS/MS fragmentation data of uncleaved and cleaved peptide crosslinks. Conclusion: The combination of these three programs, which are tailored to the analytical features of the specific isotopically-coded cleavable crosslinking reagents used, represents a powerful software tool for automated highaccuracy peptide crosslink identification. See: http://www.creativemolecules.com/CM_Software.htmen_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipThis work was supported by Genome Canada, Genome British Columbia, through a Technology Development Grant, and a Science and Technology Platform Grant.en_US
dc.identifier.citationPetrotchenko and Borchers: ICC-CLASS: isotopically-coded cleavable crosslinking analysis software suite. BMC Bioinformatics 2010 11:64.en_US
dc.identifier.urihttp://www.biomedcentral.com/1471-2105/11/64
dc.identifier.urihttp://dx.doi.org/10.1186/1471-2105-11-64
dc.identifier.urihttp://hdl.handle.net/1828/5543
dc.language.isoenen_US
dc.publisherBioMed Centralen_US
dc.titleICC-CLASS : isotopically-coded cleavable crosslinking analysis software suiteen_US
dc.typeArticleen_US

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