Structural studies of an exopolysaccharide produced by Streptococcus thermophilus THS

被引：19
|
作者：
Nordmark, EL
Yang, ZN
Huttunen, E
Widmalm, G [1 ]
机构：
[1] Univ Stockholm, Arrhenius Lab, Dept Organ Chem, S-10691 Stockholm, Sweden
[2] Univ Helsinki, Dept Food Technol, FIN-00014 Helsinki, Finland
来源：
BIOMACROMOLECULES | 2005年 / 6卷 / 01期
关键词：
D O I：
10.1021/bm0496514
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The structure of an extracellular polysaccharide (EPS) from Streptococcus thermophilus THS has been determined. A combination of component analysis, methylation analysis and NMR spectroscopy shows that the polysaccharide is composed of pentasaccharide repeating units. Sequential information was obtained by two-dimensional H-1,H-1-NOESY and H-1,C-13-HMBC NMR experiments. NMR data indicate different mobility within the EPS with a stiffer backbone and a more flexible side-chain.
引用
收藏
页码：105 / 108
页数：4
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