Mr. Grue et al., STRUCTURAL ELUCIDATION OF THE CAPSULAR POLYSACCHARIDE OF ESCHERICHIA-COLI SEROTYPE K101 BY HIGH-RESOLUTION NMR-SPECTROSCOPY, Carbohydrate research, 246, 1993, pp. 283-290
The primary structure of the acidic capsular antigen of Escherichia co
li O20:K101 was shown by glycose analysis, methylation analysis, and o
ne- and two-dimensional H-1 and C-13 NMR spectroscopy to be composed o
f repeating branched-tetrasaccharide units having the structure: [GRAP