Table 1 Methylglyoxal-dependent modifications of catalase
Sequence | Position | Modification | m/z | Peak area | % modified |
|---|---|---|---|---|---|
F.DRERIPERVVH.A | 65–75 | nm | 469.260 | 141,239,376 | |
MG-H1 | 487.263 | 1,972,739 | 1.4 | ||
DHI | 493.267 | 2,816,325 | 1.9 | ||
F.GYFEVTHDITRY.S | 83–94 | nm | 750.860 | 35,923,631 | |
MG-H1 | 777.865 | 6,243,848 | 13.2 | ||
DHI | 786.870 | 5,107,276 | 10.8 | ||
F.SDRGIPDGHRHM.N | 201–212 | nm | 459.886 | 36,013,455 | |
MG-H1 | 477.889 | 1,015,794 | 2.7 | ||
DHI | 483.893 | 1,049,274 | 1.0 | ||
L.AHEDPDYGLRDLF.N | 254–266 | nm | 774.360 | 104,144,627 | |
MG-H1 | 801.365 | 140,068 | 0.1 | ||
DHI | 810.370 | 393,409 | 0.4 | ||
M.LQGRLF.A | 351–356 | nm | 367.221 | 68,678,448 | |
MG-H1 | 394.226 | nd | 0.0 | ||
DHI | 403.231 | nd | 0.0 | ||
H.RHRLGPNYLQIPVNCPY.R | 363–379 | nm | 699.698 | 13,777,078 | |
MG-H1 | 717.702 | 225,543 | 1.6 | ||
DHI | 723.705 | 130,193 | 0.9 | ||
F.NSANDDNVTQVRTF.Y | 433–446 | nm | 790.868 | 194,414,574 | |
MG-H1 | 817.874 | 14,193,861 | 6.3 | ||
DHI | 826.879 | 16,307,423 | 7.3 |