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  • GlycoMob: an ion mobility-mass spectrometry collision cross section database for glycomics

    Author(s)
    Struwe, Weston B.
    Pagel, Kevin
    Benesch, Justin L.P.
    Harvey, David J.
    Campbell, Matthew P.
    Griffith University Author(s)
    Campbell, Matthew
    Year published
    2016
    Metadata
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    Abstract
    Ion mobility mass spectrometry (IM-MS) is a promising analytical technique for glycomics that separates glycan ions based on their collision cross section (CCS) and provides glycan precursor and fragment masses. It has been shown that isomeric oligosaccharide species can be separated by IM and identified on basis of their CCS and fragmentation. These results indicate that adding CCSs information for glycans and glycan fragments to searchable databases and analysis pipelines will increase identification confidence and accuracy. We have developed a freely accessible database, GlycoMob (http://www.glycomob.org), containing over ...
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    Ion mobility mass spectrometry (IM-MS) is a promising analytical technique for glycomics that separates glycan ions based on their collision cross section (CCS) and provides glycan precursor and fragment masses. It has been shown that isomeric oligosaccharide species can be separated by IM and identified on basis of their CCS and fragmentation. These results indicate that adding CCSs information for glycans and glycan fragments to searchable databases and analysis pipelines will increase identification confidence and accuracy. We have developed a freely accessible database, GlycoMob (http://www.glycomob.org), containing over 900 CCSs values of glycans, oligosaccharide standards and their fragments that will be continually updated. We have measured the absolute CCSs of calibration standards, biologically derived and synthetic N-glycans ionized with various adducts in positive and negative mode or as protonated (positive ion) and deprotonated (negative ion) ions.
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    Journal Title
    Glycoconjugate Journal
    Volume
    33
    Issue
    3
    DOI
    https://doi.org/10.1007/s10719-015-9613-7
    Subject
    Biochemistry and cell biology
    Biochemistry and cell biology not elsewhere classified
    Medical microbiology
    Neurosciences
    Publication URI
    http://hdl.handle.net/10072/342825
    Collection
    • Journal articles

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