Table 3.
Expected mass spectra detected from GRLN-LP modified by glycan chains
| No. | Peptide | Predicted glycan chains | Sum of glycan chains | Expected mass |
|---|---|---|---|---|
| 1 | GRLN-LP | 1832.8* | ||
| 2 | HexNAc1 | 203.07 | 2035.87 | |
| 3 | HexNAc1-Hex | 365.12 | 2197.92 | |
| 4 | HexNAc1-Hex2 | 527.17 | 2359.97 | |
| 5 | HexNAc2 | 406.14 | 2238.94 | |
| 6 | HexNAc2-Hex | 568.19 | 2400.99 | |
| 7 | HexNAc2-Hex2 | 730.24 | 2563.04 | |
| 8 | HexNAc3 | 609.21 | 2442.01 | |
| 9 | HexNAc3-Hex | 771.26 | 2604.06 | |
| 10 | HexNAc3-Hex2 | 933.31 | 2766.11 |
Note: * Detected mass is GRLN-LP that was modified by octanoic acid (m/z 1808.8 [M+H]+) containing unidentifed adduct (m/z 24).