DETERMINATION OF LINKAGE POSITIONS IN PERACETYLATED (METHYL) XYLO-OLIGOSACCHARIDES WITH FAST-ATOM-BOMBARDMENT MASS-SPECTROMETRY

被引:9
作者
BLOKTIP, L [1 ]
VANDERKERKVANHOOF, A [1 ]
HEERMA, W [1 ]
HAVERKAMP, J [1 ]
KOVACIK, V [1 ]
HIRSCH, J [1 ]
机构
[1] SLOVAK ACAD SCI, INST CHEM, CS-84238 BRATISLAVA, CZECHOSLOVAKIA
关键词
D O I
10.1002/bms.1200220809
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
Distinction between the linkage types 1 --> 2, 1 --> 3 and 1 --> 4 of xylobioses can be achieved on the basis of the unimolecular decomposition spectra of the oxonium ions of the per-O-acetylated methyl glycosides. The spectra of the oxonium ions of various unbranched xylotri-, tetra- and pentaoses allow determination of the linkage position between the xylose residues. This indicates that in unbranched peracetylated xylo-oligosaccharides the linkage between the xylose residues at the non-reducing end can be determined.
引用
收藏
页码:474 / 480
页数:7
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