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. 2014 Jul 2;289(34):23437–23448. doi: 10.1074/jbc.M114.567974

FIGURE 2.

FIGURE 2.

A, 1H NMR spectrum of GBS type IX capsular polysaccharide recorded at 35 ± 0. 1 °C. B, comparison of 1H NMR spectra obtained for capsular polysaccharides IX, VII, and V recorded at 25 ± 0.1 °C. For type V, H1Glc a, anomeric proton of Glcp residues in the branch; H1Glc b and H1Glc c, anomeric protons of Glcp residue in the backbone; H1Gal a/b, anomeric protons of Galp residues in the branch and backbone; H1GlcNAc, anomeric proton of GlcpNAc residue in the branch; H3eqNeuNAc and H3axNeuNAc, protons at position C3 equatorial and axial of NeupNAc residue in the branch. For type VII, H1Glc a and H1Glc b, anomeric protons of Glcp residue in the backbone; H1Gal a/b, anomeric protons of Galp residues in the branch and backbone; H1GlcNAc, anomeric proton of GlcpNAc residue in the branch; H3eqNeuNAc and H3axNeuNAc, protons at position C3 equatorial and axial of NeupNAc residue in the branch. For type IX, H1Glc, anomeric proton of Glcp residues in the backbone; H1Gal a/b, anomeric protons of Galp residues in the branch and backbone; H1GlcNAc a, anomeric proton of GlcpNAc residue in the branch; H1GlcNAc a, anomeric proton of GlcpNAc residue in the backbone; H4Gal a/b, protons at position C4 of Galp residues in the branch and backbone; H2Glc, proton at position C2 of Glcp residue in the backbone; H3eqNeuNAc and H3axNeuNAc, protons at position C3 equatorial and axial of NeupNAc residue in the branch.