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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 2.

Representative sodium-adducted oligosaccharide peaks (alditol form) with possible compositions observed in mucin from the 10% ACN fraction

Expt. m/z [M +Na]+ Theo. m/z [M +Na]+ Composition in [M + Na]+a Symbolb
611.224 611.227 1 Hex, 2 HexNAc graphic file with name nihms77355t1.jpg
773.274 773.280 2 Hex, 2 HexNAc graphic file with name nihms77355t2.jpg
814.289 814.306 1 Hex, 3 HexNAc graphic file with name nihms77355t3.jpg
976.339 976.359 2 Hex, 3 HexNAc graphic file with name nihms77355t4.jpg
1122.399 1122.417 2 Hex, 1 Fuc, 3 HexNAc graphic file with name nihms77355t5.jpg
1179.411 1179.439 2 Hex, 4 HexNAc graphic file with name nihms77355t6.jpg
1544.500 1544.571 3 Hex, 5 HexNAc graphic file with name nihms77355t7.jpg
1690.592 1690.629 3 Hex, 1 Fuc, 5 HexNAc graphic file with name nihms77355t8.jpg
1893.669 1893.708 3 Hex, 1 Fuc, 6 HexNAc graphic file with name nihms77355t9.jpg
2112.732 2112.783 4 Hex, 7 HexNAc graphic file with name nihms77355t10.jpg
2404.813 2404.898 4 Hex, 2 Fuc, 7 HexNAc graphic file with name nihms77355t11.jpg
2550.895 2550.957 4 Hex, 3 Fuc, 7 HexNAc graphic file with name nihms77355t12.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.