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1H NMR spectrum of the glucan produced by purified Gsy. The 1H NMR spectrum was recorded at 500 MHz in D2O at 30°C. 1H chemical shifts are given using sodium 2,2,3,3-tetradeutero-3-trimethylsilylpropanoate (1H = 0 ppm) as an internal reference. The 1H NMR spectrum was obtained with a Varian Mercury Plus 400 spectrometer (Varian, USA).
