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. Author manuscript; available in PMC: 2011 Dec 1.

Published in final edited form as: Anal Chem. 2010 Nov 4;82(23):9654–9662. doi: 10.1021/ac101856r

Glycosylation associated with each glycosite of bovine lactoferrin (b-LF). The various glycans at each site indicate glycan micro-heterogeneity in the occupancy of the five glycosites observed during the negative ion mode MS analysis of the b-LF glycopeptides. For each glycosite, the larger glycan structures represent corresponding glycopeptides with minimum relative intensities of 20% while the smaller glycan structures represent corresponding glycopeptides with relative intensities corresponding to less than 20%. Circles ( and ), squares () and triangles () represent hexose, GlcNAc and fucose residues, respectively.

Inline graphic — Glycosylation associated with each glycosite of bovine lactoferrin (b-LF). The various glycans at each site indicate glycan micro-heterogeneity in the occupancy of the five glycosites observed during the negative ion mode MS analysis of the b-LF glycopeptides. For each glycosite, the larger glycan structures represent corresponding glycopeptides with minimum relative intensities of 20% while the smaller glycan structures represent corresponding glycopeptides with relative intensities corresponding to less than 20%. Circles ( and ), squares () and triangles () represent hexose, GlcNAc and fucose residues, respectively.