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. 2014 Nov 23;31(9):671–683. doi: 10.1007/s10719-014-9566-2

Table 1.

Mass analysis of X1 and X2. *Average mass calculated from the m/z values of [M + Na]+ ions for PA-oligosaccharides

N-glycan Observed m/z (as a Na+ adduct) Measured mass* Monoisotopic mass Estimated composition Abbreviation
X1 2034.31 2011.32 2010.76 deoxyHex2Hex5HexNAc4-PA A2G2Fo(6)F
X2 2237.45 2214.46 2213.84 deoxyHex2Hex5HexNAc5-PA A2G2Fo(6)FB