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Collision cross sections of high-mannose N-glycans in commonly observed adduct states – identification of gas-phase conformers unique to [M − H]- ions

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons32738

Pagel,  Kevin
Molecular Physics, Fritz Haber Institute, Max Planck Society;
Institut für Chemie und Biochemie der Freien Universität Berlin;

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c5an01092f-1.pdf
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Citation

Struwe, W. B., Benesch, J. L., Harvey, D. J., & Pagel, K. (2015). Collision cross sections of high-mannose N-glycans in commonly observed adduct states – identification of gas-phase conformers unique to [M − H]- ions. Analyst, 140(20), 6799-6803. doi:10.1039/C5AN01092F.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0027-F469-C
Abstract
We report collision cross sections (CCS) of high-mannose N-glycans as [M + Na]+, [M + K]+, [M + H]+, [M + Cl]-, [M + H2PO4]- and [M − H]- ions, measured by drift tube (DT) ion mobility-mass spectrometry (IM-MS) in helium and nitrogen gases. Further analysis using traveling wave (TW) IM-MS reveal the existence of distinct conformers exclusive to [M − H]- ions.