Table 5.
Peak no.a | m/zb | Δc | Estimated composition | Relative contents (%)d |
---|---|---|---|---|
8 | 880.7558 | −0.568 | Hex2 HexNAc2 Pent1 | 0.00 ± 0.00e |
9 | 894.7836 | −0.555 | Hex2 HexNAc2 dHex1 | 0.00 ± 0.00e |
10 | 910.753 | −0.581 | Hex3 HexNAc2 | 0.00 ± 0.00e |
12 | 1,026.8222 | −0.560 | Hex2 HexNAc2 dHex1 Pent1 | 0.02 ± 0.00 |
14 | 1,042.805 | −0.572 | Hex3 HexNAc2 Pent1 | 1.05 ± 0.16 |
15 | 1,056.806 | −0.586 | Hex3 HexNAc2 dHex1 | 0.00 ± 0.00e |
16 | 1,072.7896 | −0.601 | Hex4 HexNAc2 | 0.02 ± 0.01 |
20 | 1,188.8735 | −0.560 | Hex3 HexNAc2 dHex1 Pent1 | 11.66 ± 0.75 |
23 | 1,204.8407 | −0.588 | Hex4 HexNAc2 Pent1 | 0.43 ± 0.02 |
26 | 1,230.8615 | 0.397 | Hex2 HexNAc3 Pent1 dHex1 | 0.04 ± 0.01 |
27 | 1,234.8493 | −0.590 | Hex5 HexNAc2 | 1.16 ± 0.19 |
28 | 1,244.9241 | −1.532 | Hex3 HexNAc3 Pent1 | 1.30 ± 0.22 |
29 | 1,261.8621 | 1.389 | Hex3 HexNAc3 dHex1 | 0.01 ± 0.00 |
31 | 1,350.8699 | −0.617 | Hex4 HexNAc2 dHex1 Pent1 | 0.24 ± 0.04 |
33 | 1,366.8419 | −0.640 | Hex5 HexNAc2 Pent1 | 0.03 ± 0.01 |
35 | 1,391.9241 | −0.590 | Hex3 HexNAc3 dHex1 Pent1 | 9.42 ± 0.32 |
36 | 1,396.8932 | −0.600 | Hex6 HexNAc2 | 11.85 ± 0.72 |
38 | 1,407.9079 | −0.601 | Hex4 HexNAc3 Pent1 | 1.35 ± 0.17 |
40 | 1,438.9019 | 0.382 | Hex5 HexNAc3 | 0.10 ± 0.02 |
41 | 1,447.9816 | −1.553 | Hex3 HexNAc4 Pent1 | 0.82 ± 0.17 |
43 | 1,512.9161 | −0.624 | Hex5 HexNAc2 dHex1 Pent1 | 0.01 ± 0.00 |
45 | 1,553.9508 | −0.616 | Hex4 HexNAc3 dHex1 Pent1 | 2.42 ± 0.12 |
46 | 1,558.9192 | −0.626 | Hex7 HexNAc2 | 5.12 ± 0.42 |
48 | 1,569.939 | −0.623 | Hex5 HexNAc3 Pent1 | 0.19 ± 0.05 |
51 | 1,594.9819 | −0.611 | Hex3 HexNAc4 dHex1 Pent1 | 27.45 ± 1.32 |
53 | 1,610.0227 | −1.569 | Hex4 HexNAc4 Pent1 | 1.13 ± 0.06 |
55 | 1,651.0562 | −1.559 | Hex3 HexNAc5 Pent1 | 0.00 ± 0.00e |
58 | 1,699.9968 | −0.628 | Hex4 HexNAc3 dHex2 Pent1 | 1.10 ± 0.10 |
59 | 1,715.9949 | −0.624 | Hex5 HexNAc3 dHex1 Pent1 | 0.27 ± 0.05 |
60 | 1,720.9711 | −0.627 | Hex8 HexNAc2 | 1.91 ± 0.23 |
63 | 1,757.0222 | −0.624 | Hex4 HexNAc4 dHex1 Pent1 | 3.41 ± 0.21 |
65 | 1,773.0269 | −0.614 | Hex5 HexNAc4 Pent1 | 0.08 ± 0.02 |
67 | 1,813.0896 | 0.401 | Hex3 HexNAc3 dHex2 | 0.00 ± 0.00e |
69 | 1,862.0539 | −0.623 | Hex5 HexNAc3 dHex2 Pent1 | 0.05 ± 0.01 |
71 | 1,883.0133 | −0.638 | Hex9 HexNAc2 | 0.15 ± 0.05 |
72 | 1,903.0693 | −0.635 | Hex4 HexNAc4 dHex2 Pent1 | 12.48 ± 0.67 |
73 | 1,919.0714 | −0.627 | Hex5 HexNAc4 dHex1 Pent1 | 0.83 ± 0.10 |
75 | 1,935.1201 | −0.574 | Hex6 HexNAc4 Pent1 | 0.02 ± 0.02 |
76 | 1,945.1061 | 0.374 | Hex3 HexNAc5 dHex2 Pent1 | 0.10 ± 0.03 |
77 | 1,959.1654 | 0.419 | Hex3 HexNAc5 dHex3 | 0.00 ± 0.00e |
81 | 2,065.1188 | −0.638 | Hex5 HexNAc4 dHex2 Pent1 | 1.26 ± 0.19 |
85 | 2,211.1646 | −0.650 | Hex5 HexNAc4 dHex3 Pent1 | 2.54 ± 0.30 |
Compositional annotations for the peaks detected in MALDI-TOF MS were achieved using KEGG Glycan and GlycoSuite online databases.
Hex, hexose; HexNAc, N-acetylhexosamine; dHex, deoxyhexose; Pent, pentose.
aPeak number indicated in Fig. 5.
bMass-to-charge ratio.
cDifference from the theoretical mass value.
dValues are represented as mean ± SD (n = 3).
eGlycan peaks are detected in this analysis.