Abstract
The 500-MHz1H-NMR characteristics of theN-linked carbohydrate chain Manα1-6[Xylβ1-2]Manβ1-4GlcNAcβ1-4[Fucα1-3]GlcNAcβ1-NAsn of the proteolytic enzyme bromelain (EC 3.4.22.4) from pineapple stem were determined for the oligosaccharide-alditol and the glycopeptide, obtained by hydrazinolysis and Pronase digestion, respectively. The1H-NMR structural-reporter-groups of the α(1–3)-linked fucose residue form unique sets of data for the alditol as well as for the glycopeptide.
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