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. 2011 Mar 3;10(5):M110.005710. doi: 10.1074/mcp.M110.005710

Fig. 7.

Fig. 7.

MS/MS of the major PNGase A-released glycan from kappa-5. The major PNGase A-released carbohydrate (m/z 2577 [M+Na]+) in Fig. 6 was analyzed by MALDI-TOF/TOF-MS. The parent ion is indicated by an arrow. Differences in fucose content are indicated by double-headed arrows. The given glycan structures are examples. Gray triangle, fucose; light gray square, N-acetylgalactosamine; dark gray square, N-acetylglucosamine; gray circle, mannose; open star, xylose; #, loss of water; ▿, presumably potassium adduct co-isolated during precursor selection.