4-O-(1-CARBOXYETHYL)-L-RHAMNOSE, A 2ND UNIQUE ACIDIC SUGAR FOUND IN AN EXTRACELLULAR POLYSACCHARIDE FROM BUTYRIVIBRIO-FIBRISOLVENS STRAIN-49

被引：8

作者：

STACK, RJ

WEISLEDER, D

机构：

[1] Northern Regional Res. Ctr., Agricultural Res. Service, U.S. Dept. of Agriculture, Peoria, IL 61604

来源：

BIOCHEMICAL JOURNAL | 1990年 / 268卷 / 02期

关键词：

D O I：

10.1042/bj2680281

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：

Butyrivibrio fibrisolvens strain 49 excretes a polysaccharide that contains D-glucose, D-galactose, 4-O-(1-carboxyethyl)-D-galactose, and an acidic component of previously unknown structure. We report here the identity of the unknown as 4-O-(1-carboxyethyl)-L-rhamnose. The structure of this previously unknown compound was deduced from (1) comprehensive electron-impact and chemical-ionization mass-spectroscopic studies of differentially labelled derivatives prepared from the unknown, (2) 13C-n.m.r. and 1H-n.m.r. studies of purified neutral sugars derived from the unknown and (3) chemical degradation experiments.

引用

页码：281 / 285

页数：5

共 17 条

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