Table 2.
Peak no.a | m/zb | Δc | Estimated composition | Relative contents (%)d |
---|---|---|---|---|
1 | 688.9915 | −0.268 | HexNAc2 Pent2 | 0.108 ± 0.033 |
4 | 749.0722 | −0.209 | Hex2 HexNAc2 | 0.132 ± 0.056 |
5 | 780.0588 | −0.217 | Hex1 HexNAc1 Pent3 | 0.007 ± 0.005 |
6 | 851.0808 | −0.232 | Hex1 HexNAc2 Pent2 | 0.037 ± 0.003 |
9 | 895.1576 | −0.181 | Hex2 HexNAc2 dHex1 | 0.006 ± 0.001 |
10 | 911.149 | −0.185 | Hex3 HexNAc2 | 0.359 ± 0.075 |
12 | 1,027.204 | −0.178 | Hex2 HexNAc2 dHex1 Pent1 | 0.338 ± 0.143 |
13 | 1,032.178 | −0.182 | Hex5 HexNAc1 | 0.088 ± 0.034 |
14 | 1,043.203 | −0.174 | Hex3 HexNAc2 Pent1 | 3.144 ± 0.109 |
15 | 1,057.220 | −0.171 | Hex3 HexNAc2 dHex1 | 0.249 ± 0.139 |
16 | 1,073.216 | −0.171 | Hex4 HexNAc2 | 0.137 ± 0.013 |
18 | 1,114.242 | −0.172 | Hex3HexNAc3 | 0.061 ± 0.000 |
19 | 1,175.243 | −0.176 | Hex3 HexNAc2 Pent2 | 0.011 ± 0.006 |
20 | 1,189.274 | −0.160 | Hex3 HexNAc2 dHex1 Pent1 | 23.146 ± 1.786 |
22 | 1,203.290 | −0.159 | Hex3 HexNAc2 dHex2 | 0.464 ± 0.215 |
23 | 1,205.274 | −0.155 | Hex4 HexNAc2 Pent1 | 0.406 ± 0.245 |
24 | 1,219.304 | −0.141 | Hex4 HexNAc2 dHex1 | 0.010 ± 0.006 |
27 | 1,235.288 | −0.152 | Hex5 HexNAc2 | 2.519 ± 0.135 |
28 | 1,246.306 | −0.150 | Hex3 HexNAc3 Pent1 | 3.321 ± 0.305 |
29 | 1,260.319 | −0.153 | Hex3 HexNAc3 dHex1 | 0.148 ± 0.059 |
30 | 1,276.311 | −0.155 | Hex4 HexNAc3 | 0.063 ± 0.026 |
31 | 1,351.343 | −0.144 | Hex4 HexNAc2 dHex1 Pent1 | 0.828 ± 0.011 |
33 | 1,367.343 | −0.138 | Hex5 HexNAc2 Pent1 | 0.161 ± 0.009 |
34 | 1,381.356 | −0.142 | Hex5 HexNAc2 dHex1 | 0.030 ± 0.007 |
35 | 1,392.371 | −0.143 | Hex3 HexNAc3 dHex1 Pent1 | 10.904 ± 0.531 |
36 | 1,397.347 | −0.146 | Hex6 HexNAc2 | 8.345 ± 0.129 |
37 | 1,406.389 | −0.140 | Hex3 HexNAc3 dHex2 | 0.331 ± 0.043 |
38 | 1,408.377 | −0.132 | Hex4 HexNAc3 Pent1 | 1.611 ± 0.218 |
39 | 1,422.396 | −0.128 | Hex4 HexNAc3 dHex1 | 0.138 ± 0.046 |
40 | 1,438.388 | −0.131 | Hex5 HexNAc3 | 0.151 ± 0.013 |
41 | 1,449.402 | −0.133 | Hex3 HexNAc4 Pent1 | 5.496 ± 0.372 |
42 | 1,463.431 | −0.120 | Hex3 HexNAc4 dHex1 | 0.222 ± 0.018 |
43 | 1,513.414 | −0.125 | Hex5 HexNAc2 dHex1 Pent1 | 0.143 ± 0.044 |
45 | 1,554.439 | −0.127 | Hex4 HexNAc3 dHex1 Pent1 | 3.191 ± 0.327 |
46 | 1,559.417 | −0.128 | Hex7 HexNAc2 | 5.511 ± 1.141 |
47 | 1,568.455 | −0.126 | Hex4 HexNAc3 dHex2 | 0.108 ± 0.002 |
48 | 1,570.446 | −0.116 | Hex5 HexNAc3 Pent1 | 0.415 ± 0.005 |
49 | 1,581.453 | −0.125 | Hex3 HexNAc4 Pent2 | 0.036 ± 0.014 |
50 | 1,584.458 | −0.119 | Hex5 HexNAc3 dHex1 | 0.059 ± 0.001 |
51 | 1,595.470 | −0.122 | Hex3 HexNAc4 dHex1 Pent1 | 11.533 ± 0.292 |
52 | 1,609.496 | −0.113 | Hex3 HexNAc4 dHex2 | 2.017 ± 2.223 |
53 | 1,611.481 | −0.107 | Hex4 HexNAc4 Pent1 | 0.651 ± 0.087 |
54 | 1,625.495 | −0.109 | Hex4 HexNAc4 dHex1 | 0.106 ± 0.000 |
56 | 1,656.547 | −0.051 | Hex3 HexNAc3 dHex1 Pent3 | 0.004 ± 0.000 |
57 | 1,666.579 | −0.051 | Hex3 HexNAc5 dHex1 | 0.005 ± 0.005 |
58 | 1,700.517 | −0.107 | Hex4 HexNAc3 dHex2 Pent1 | 0.229 ± 0.059 |
59 | 1,716.518 | −0.101 | Hex5 HexNAc3 dHex1 Pent1 | 0.458 ± 0.335 |
60 | 1,721.490 | −0.108 | Hex8 HexNAc2 | 5.471 ± 0.583 |
61 | 1,730.529 | −0.105 | Hex5 HexNAc3 dHex2 | 0.045 ± 0.007 |
62 | 1,732.518 | −0.096 | Hex6 HexNAc3 Pent1 | 0.025 ± 0.015 |
63 | 1,757.543 | −0.103 | Hex4 HexNAc4 dHex1 Pent1 | 2.282 ± 1.720 |
64 | 1,771.565 | −0.096 | Hex4 HexNAc4 dHex2 | 0.151 ± 0.042 |
66 | 1,787.561 | −0.096 | Hex5 HexNAc4 dHex1 | 0.025 ± 0.001 |
68 | 1,846.610 | −0.072 | Hex4 HexNAc3 dHex3 Pent1 | 0.002 ± 0.001 |
69 | 1,862.593 | −0.084 | Hex5 HexNAc3 dHex2 Pent1 | 0.054 ± 0.005 |
70 | 1,878.6 | −0.072 | Hex6 HexNAc3 dHex1 Pent1 | 0.031 ± 0.024 |
71 | 1,883.565 | −0.086 | Hex9 HexNAc2 | 1.370 ± 0.428 |
72 | 1,903.616 | −0.088 | Hex4 HexNAc4 dHex2 Pent1 | 1.738 ± 0.086 |
73 | 1,919.620 | −0.079 | Hex5 HexNAc4 dHex1 Pent1 | 0.815 ± 0.035 |
74 | 1,933.639 | −0.075 | Hex5 HexNAc4 dHex2 | 0.038 ± 0.005 |
78 | 1,962.665 | −0.065 | Hex3 HexNAc3 dHex4 Pent2 | 0.008 ± 0.004 |
79 | 1,964.611 | −0.098 | Hex4 HexNAc3 dHex2 Pent3 | 0.012 ± 0.002 |
80 | 2,045.653 | −0.050 | Hex10 HexNAc2 | 0.005 ± 0.001 |
81 | 2,065.692 | −0.064 | Hex5 HexNAc4 dHex2 Pent1 | 0.045 ± 0.012 |
82 | 2,079.713 | −0.059 | Hex5 HexNAc4 dHex3 | 0.025 ± 0.000 |
83 | 2,081.756 | 0.003 | Hex6 HexNAc4 dHex1 Pent1 | 2.282 ± 0.006 |
85 | 2,211.765 | −0.050 | Hex5 HexNAc4 dHex3 Pent1 | 0.151 ± 0.027 |
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 show the averages of duplicate experiments.