TABLE 1

1H and 13C chemical shifts of 33A, 33F, 33X1, and 33X2 polysaccharides at 35°C

ResidueLabelChemical shift (ppm)
H1/C1H2/C2H3/C3H4/C4H5/C5H6a, H6b/C6(Ac)H/C
33A
    →3-β-d-Galp-(1→)A4.67/105.313.66/71.753.66/82.984.06/70.373.69/76.403.75,3.77/62.84
    →2,3-α-d-Galp-(1→)B5.36/98.484.16/70.544.16/78.194.26/71.174.10/72.743.74,3.80/62.84
    →3-β-d-Galf5,6Ac-(1→)C5.33/110.134.39/81.103.82/87.334.48/81.615.53/70.964.34,4.32/65.332.17/22.14a, 2.09/22.09b
    →3-β-d-Glcp-(1→)D4.64/103.433.46/75.173.64/83.543.46/69.763.47/77.443.92,3.93/62.76
    →5-β-d-Galf2Ac-(1→)E5.35/108.695.03/85.664.48/76.734.26/84.374.10/78.843.75,3.77/62.752.13/22.13c
    α-d-Galp-(1→)F5.10/96.483.83/69.833.92/71.223.93/71.134.32/72.583.72,3.75/62.61
33F
    →3-β-d-Galp-(1→)A4.65/105.313.66/71.753.66/82.984.06/70.163.69/76.413.76,3.78/62.75
    →2,3-α-d-Galp-(1→)B5.36/98.484.16/70.454.16/78.024.26/71.004.13/72.583.80,3.75/62.64
    →3-β-d-Galf-(1→)C5.32/110.034.39/81.094.11/86.854.29/83.503.96/71.723.66,3.67/64.90
    →3-β-d-Glcp-(1→)D4.64/103.493.45/75.003.65/83.543.46/69.763.46/77.293.90,3.92/62.58
    →5-β-d-Galf2Ac-(1→)E5.35/108.695.03/85.664.47/76.664.25/84.134.09/78.933.72,3.76/62.602.13/22.13c
    α-d-Galp-(1→)F5.10/96.223.82/69.713.92/71.003.94/71.024.31/72.433.72,3.75/62.61
33X1
    →3-β-d-Galp-(1→)A4.61/105.743.65/71.493.66/83.304.06/70.443.69/76.453.80,3.82/62.80
    →2,3-α-d-Galp-(1→)B5.36/98.484.16/70.474.16/78.094.25/71.064.10/72.763.77,3.81/62.68
    →3-β-d-Galf5,6Ac-(1→)C5.34/110.154.39/81.023.82/87.464.48/81.635.53/70.934.34,4.32/65.342.17/22.14a, 2.09/22.09b
    →3-β-d-Glcp-(1→)D4.60/103.173.47/75.243.64/83.863.46/69.773.47/77.193.92,3.94/62.79
    →5-β-d-Galf-(1→)E5.16/110.834.19/83.054.28/77.604.17/83.054.06/78.673.81,3.83/62.43
    α-d-Galp-(1→)F5.10/96.353.84/69.753.92/71.173.93/71.224.32/72.663.73,3.75/62.73
33X2
    →3-β-d-Galp-(1→)A4.66/105.443.65/71.633.67/82.824.06/70.223.69/76.243.79,3.77/62.84
    →2,3-α-d-Galp-(1→)B5.36/98.414.16/70.524.16/78.34.26/70.934.13/72.83.74,3.80/62.84
    →3-β-d-Galf-(1→)C5.32/110.164.39/81.24.11/86.944.29/83.573.95/71.733.67,3.66/64.90
    →3-β-d-Glcp-(1→)D4.62/103.413.45/75.183.64/83.83.46/69.743.47/77.073.90,3.92/62.58
    →5-β-d-Galf-(1→)E5.16/110.654.18/82.954.28/77.394.16/82.954.06/78.483.8,3.82/62.12
    α-d-Galp-(1→)F5.10/96.373.82/69.623.91/70.923.93/70.954.31/72.53.72,3.75/62.61
  • a O-acetyl group on carbon-5.

  • b O-acetyl group on carbon-6.

  • c O-acetyl group on carbon-2.