Loss of internal 1 → 6 substituted monosaccharide residues from underivatized and per-O-methylated trisaccharides

  • L. P. Brüll
  • W. Heerma
  • J. Thomas-Oates
  • J. Haverkamp
  • V. Kovácik
  • P. Kovác
Articles

Abstract

The fragmentation behavior of [M + H]+ ions of a series of underivatized and per-O-methylated trisaccharides having 1 → 6 linked residues, of which one or two is a deoxy-fluoro or deoxy residue and thus has a unique mass, has been studied by using collision-induced dissociation fast-atom bombardment mass spectrometry. In addition to the usual fragment ions resulting from glycosidic bond cleavage, fragment ions were observed which must have been generated following an unusual rearrangement process which can be rationalized in terms of the loss of an internal monosaccharide residue.

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Copyright information

© American Society for Mass Spectrometry 1997

Authors and Affiliations

  • L. P. Brüll
    • 1
  • W. Heerma
    • 1
  • J. Thomas-Oates
    • 1
  • J. Haverkamp
    • 1
  • V. Kovácik
    • 2
  • P. Kovác
    • 3
  1. 1.Bijvoet Center for Biomolecular Research, Department of Mass Spectrometry, F. A. F. C. WentgebouwUtrecht UniversityUtrechtThe Netherlands
  2. 2.Institute of ChemistrySlovak Academy of SciencesBratislavaSlovak Republic
  3. 3.National Institutes of HealthNIDDKBethesdaUSA

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