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. Author manuscript; available in PMC: 2009 Feb 12.
Published in final edited form as: J Mass Spectrom. 2008 Sep;43(9):1215–1223. doi: 10.1002/jms.1398

Table 3.

Representative sodium-adducted oligosaccharide peaks (alditol form) with possible compositions observed in mucin from the 20% ACN fraction

Expt. m/z [M + Na]+ Theo. m/z [M + Na]+ Composition in [M + Na]+a Symbolb
919.345 919.338 2 Hex, 1 Fuc, 2 HexNAc graphic file with name nihms77355t13.jpg
1138.418 1138.412 3 Hex, 3 HexNAc graphic file with name nihms77355t14.jpg
1325.506 1325.497 2 Hex, 1 Fuc, 4 HexNAc graphic file with name nihms77355t15.jpg
1341.503 1341.492 3 Hex, 4 HexNAc graphic file with name nihms77355t16.jpg
1909.728 1909.703 4 Hex, 6 HexNAc graphic file with name nihms77355t17.jpg
2055.790 2055.761 4 Hex, 1 Fuc, 6 HexNAc graphic file with name nihms77355t18.jpg
2217.827 2217.814 5 Hex, 1 Fuc, 6 HexNAc graphic file with name nihms77355t19.jpg
2363.903 2363.872 5 Hex, 2 Fuc, 6 HexNAc graphic file with name nihms77355t20.jpg
2420.905 2420.893 5 Hex, 1 Fuc, 7 HexNAc graphic file with name nihms77355t21.jpg
a

Glucose is not present in mammalian O-glycosylations, and mannose is rarely present.45

b

Identification of listed glycan peaks in mass spectra shown in Fig. 5.

Note: Many other glycans were detected and identified; only a representative number is given here.