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1H NMR analyses of low-molecular-weight succinoglycan oligosaccharides from S. meliloti NRG185 (A), S. meliloti Rm41 (B), and S. meliloti TJR41 (C). The spectra are aggregates of the SMO, SDO, and STO components. The diagnostic resonances are labeled at the top of the figure, and the integration values of each are given in boxes. The value for pyruvate was set to 3 for comparative purposes (see Materials and Methods).
