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1D 1H NMR spectra of chicken egg white KS. (A) Chicken egg white KS as isolated. (B) Chicken egg white KS following neuraminidase treatment where the H3 and H3′ peaks of sialic acid peaks are observed at 2.7 and 1.7 ppm. (C). Chicken egg white KS following treatment with neuraminidase, fucosidase and PNGase where N-peptide peaks are observed at 4.1 and 2.2 ppm. This figure is available in black and white in print and in color at Glycobiology online.
