Table 1. Putative N-Glycans Identified in Colostrum (Week 1) and Mature Milk (Week 4) of Seven Chinese Mothers, Including Sugar Mass, Building Blocks, and Using Two Classification Systems.
| composition |
classification:
type |
||||||
|---|---|---|---|---|---|---|---|
| no. | mass | Hex | HexNAc | Fuc | NeuAc | Ia | IIb |
| N1 | 1056.415 | 3 | 2 | 1 | 0 | other | NF |
| N2 | 1072.315 | 4 | 2 | 0 | 0 | other | N |
| N3 | 1113.316 | 3 | 3 | 0 | 0 | other | N |
| N4 | 1202.4 | 3 | 2 | 2 | 0 | other | NF |
| N5 | 1218.415 | 4 | 2 | 1 | 0 | other | NF |
| N6 | 1234.314−16 | 5 | 2 | 0 | 0 | high mannose | N |
| N7 | 1259.316 | 3 | 3 | 1 | 0 | hybrid | NF |
| N8 | 1275.414,16 | 4 | 3 | 0 | 0 | hybrid | N |
| N9 | 1316.316 | 3 | 4 | 0 | 0 | complex | N |
| N10 | 1380.6 | 5 | 2 | 1 | 0 | other | NF |
| N11 | 1396.314−16 | 6 | 2 | 0 | 0 | high mannose | N |
| N12 | 1421.414,16 | 4 | 3 | 1 | 0 | hybrid | NF |
| N13 | 1437.415 | 5 | 3 | 0 | 0 | hybrid | N |
| N14 | 1462.514 | 3 | 4 | 1 | 0 | complex | NF |
| N15 | 1478.414,15 | 4 | 4 | 0 | 0 | complex | N |
| N16 | 1519.414,16 | 3 | 5 | 0 | 0 | complex | N |
| N17 | 1542.4 | 6 | 2 | 1 | 0 | other | NF |
| N18 | 1558.414−16 | 7 | 2 | 0 | 0 | high mannose | N |
| N19 | 1566.914,16 | 4 | 3 | 0 | 1 | hybrid | A |
| N20 | 1583.415 | 5 | 3 | 1 | 0 | hybrid | NF |
| N21 | 1599.514 | 6 | 3 | 0 | 0 | hybrid | N |
| N22 | 1607.3 | 3 | 4 | 0 | 1 | hybrid | A |
| N23 | 1624.514,15 | 4 | 4 | 1 | 0 | complex | NF |
| N24 | 1640.414,15 | 5 | 4 | 0 | 0 | complex | N |
| N25 | 1665.514,16 | 3 | 5 | 1 | 0 | complex | NF |
| N26 | 1681.514 | 4 | 5 | 0 | 0 | complex | N |
| N27 | 1720.414−16 | 8 | 2 | 0 | 0 | high mannose | N |
| N28 | 1722.5 | 3 | 6 | 0 | 0 | complex | N |
| N29 | 1728.115 | 5 | 3 | 0 | 1 | hybrid | A |
| N30 | 1729.015 | 5 | 3 | 2 | 0 | hybrid | NF |
| N31 | 1769.514 | 4 | 4 | 0 | 1 | complex | A |
| N32 | 1770.814 | 4 | 4 | 2 | 0 | complex | NF |
| N33 | 1786.514−16 | 5 | 4 | 1 | 0 | complex | NF |
| N34 | 1802.5 | 6 | 4 | 0 | 0 | complex | N |
| N35 | 1827.514,16 | 4 | 5 | 1 | 0 | complex | NF |
| N36 | 1843.5 | 5 | 5 | 0 | 0 | complex | N |
| N37 | 1874.415 | 5 | 3 | 1 | 1 | hybrid | AF |
| N38 | 1882.514−16 | 9 | 2 | 0 | 0 | high mannose | N |
| N39 | 1884.516 | 4 | 6 | 0 | 0 | complex | N |
| N40 | 1931.914−16 | 5 | 4 | 0 | 1 | complex | A |
| N41 | 1932.914,15 | 5 | 4 | 2 | 0 | complex | NF |
| N42 | 1948.514,15 | 6 | 4 | 1 | 0 | complex | NF |
| N43 | 1972.714 | 4 | 5 | 0 | 1 | complex | A |
| N44 | 1989.514,16 | 5 | 5 | 1 | 0 | complex | NF |
| N45 | 2005.6 | 6 | 5 | 0 | 0 | complex | N |
| N46 | 2014.515 | 3 | 6 | 2 | 0 | complex | NF |
| N47 | 2036.6 | 6 | 3 | 1 | 1 | complex | AF |
| N48 | 2060.9 | 4 | 4 | 0 | 2 | complex | A |
| N49 | 2077.514−16 | 5 | 4 | 1 | 1 | complex | AF |
| N50 | 2078.614,15 | 5 | 4 | 3 | 0 | complex | NF |
| N51 | 2094.615 | 6 | 4 | 2 | 0 | complex | NF |
| N52 | 2118.714,15 | 4 | 5 | 1 | 1 | complex | AF |
| N53 | 2134.714 | 5 | 5 | 0 | 1 | complex | A |
| N54 | 2135.5 | 5 | 5 | 2 | 0 | complex | NF |
| N55 | 2151.614 | 6 | 5 | 1 | 0 | complex | NF |
| N56 | 2167.6 | 7 | 5 | 0 | 0 | complex | N |
| N57 | 2176.715 | 4 | 6 | 2 | 0 | complex | NF |
| N58 | 2224.614 | 5 | 4 | 4 | 0 | complex | NF |
| N59 | 2240.715 | 6 | 4 | 3 | 0 | complex | NF |
| N60 | 2297.714,16 | 6 | 5 | 2 | 0 | complex | NF |
| N61 | 2313.6 | 7 | 5 | 1 | 0 | complex | NF |
| N62 | 2354.8 | 6 | 6 | 1 | 0 | complex | NF |
| N63 | 2370.8 | 5 | 4 | 5 | 0 | complex | NF |
| N64 | 2443.814,16 | 6 | 5 | 3 | 0 | complex | NF |
| N65 | 2459.814 | 7 | 5 | 2 | 0 | hybrid | NF |
| N66 | 2500.615 | 6 | 6 | 2 | 0 | complex | NF |
a
Type I classification: complex, hybrid, high-mannose, and other N-glycans.
b
Type II classification: N, neutral nonfucosylated N-glycans; NF, neutral fucosylated N-glycans; A, acidic nonfucosylated N-glycans; AF, acidic fucosylated N-glycans.