Na. Kocharova et al., Structure of the O-specific polysaccharide of Vibrio cholerae O9 containing 2-acetamido-2-deoxy-D-galacturonic acid, CARBOHY RES, 332(3), 2001, pp. 279-284
The O-specific polysaccharide (OPS) was isolated by mild-acid degradation o
f the lipopolysaccharide of Vibrio cholerae O9 and studied by carboxyl redu
ction, sugar and methylation analyses, Smith degradation, and two-dimension
al NMR spectroscopy, including COSY, TOCSY, NOESY, and H-detected H-1,C-13
HMQC experiments. The following structure of the pentasaccharide-repeating
unit of the OPS was established:
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