Table 3. Results of ESI-MS of the Aβ25–35 Peptide Incubated for 0 and 24 h with 1Ptdepa.
component | experimental m/z, (charge state) | experimental monoisotopic mass (Da) | theoretical monoisotopic mass (Da) | Aβ25–35-Pt adducts | time (h) |
---|---|---|---|---|---|
1102.63 (+1) | 1101.63 | 1100.58 | Aβ25–35 | ||
A | 769.86 (+2) | 1537.72 | 1538.91 | Aβ25–35 + (Pt + sugar) | 0, 24 |
B | 777.37 (+2) | 1552.75 | 1553.94 | Aβ25–35 + (Pt + sugar + Me) | 0, 24 |
C | 804.75 (+3) | 2411.73 ± 0.49 | 2411.28 | 2·(Aβ25–35) + (Pt + Me) | 24 |
1207.13 (+2) | |||||
D | 886.12 (+3), | 2655.49 ± 0.25 | 2654.52 | 2·(Aβ25–35) + (Pt + sugar + Me) | 24 |
1328.66 (+2) |