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Table 4 Complete assignment of the NMR spectra of the mono-O-acetylated polysaccharide

From: The capsule polysaccharide structure and biogenesis for non-O1 Vibrio cholerae NRT36S: genes are embedded in the LPS region

NRT36 Mono-O-Acetyl ~50°C H-1 H-2 H-3 H-4 H-5 H-6, H-6'
  C-1 C-2 C-3 C-4 C-5 C-6
A: α-D-GlcA 5.15 3.63 3.67 3.51 3.95 -
  101.9 72.7 73.8 72.7 74.1 176.7
B: α-D-GlcNAc 4.99 (5.01) 3.91 (4.05) 3.99 (5.27) 3.63 (3.87) 4.14 4.09, 3.71
  94.9 (94.1) 53.9 (52.6) 71.6 (74.3) 80.3 68.6 68.4
C: β-L-Rha 5.04 5.53 3.80 3.48 3.49 1.36
  99.9 69.9 76.3 71.6 73.2 17.6
D: β-D-GlcNAc 4.39 3.77 3.66 3.69 3.43 3.90, 3.88
  102.1 56.3 74.7 77.8 75.1 61.7
a.) Shifts enclosed in parentheses are those of the 3-O-acetylated B residue in the native polysaccharide.
assignment of NAc's, OAc's NH C = O CH 3    
B: α-D-GlcNAc 7.79 174.9 22.93; 2.03    
D: β-D-GlcNAc 8.09 175.2 23.19; 2.08    
C: β-L-Rha OAc   173.9 21.26; 2.21