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. 2021 Mar 17;22(4):1445–1457. doi: 10.1021/acs.biomac.0c01659

Table 1. 1H and 13C NMR Assignments of the MannanP.arca.

sugar residue 1H/13C (ppm) 1JC1, H1
  1 2 3 4 5 6
A 5.19 4.01 3.80 3.62 3.66 3.64–3.80
2-Manp 101.8 79.8 71.5 68.1 74.4 62.3
  175          
B 5.04 3.96 3.75 3.53 3.66 3.64–3.78
t-Manp 103.5 71.3 71.6 68.2 74.5 62.4
176          
C 5.01 3.93 3.83 3.73 3.72 3.57–3.91
2,6-Manp 99.4 80.0 71.4 67.8 72.1 66.9
  180          
D 4.99 3.91 3.81 3.73 3.72 3.57–3.91
2,6-Manp 99.4 80.0 71.5 67.8 72.1 66.9
  180          
E 4.94 3.96 3.70 3.53 3.66 3.64–3.78
t-Manp 103.4 71.3 71.7 68.1 74.4 62.4
  174          
F 4.93 4.11 3.85 3.64 3.70 3.64–3.78
3-Manp 103.5 70.9 79.2 67.6 72.5 62.4
  174          
G 4.79 3.88 3.72 3.59 3.63 3.67–3.84
6-Manp 100.6 71.3 72.1 68.1 72.1 66.7
  172          
H 5.34 3.91 3.88 3.68 n.d n.d
1-P Manp 97.5 71.8 71.3 67.6    
  174          
I 4.36 3.17 3.45 3.69 3.67 3.64–3.78
t-Glcp 102.9 74.0 74.9 71.8 77.5 62.4
  163          
a

Spectra were recorded in D2O at 298 K at 600 MHz using acetone as external standard (δHC 2.25/31.45 ppm).