Table 1. MALDI-TOF-MS ion signals of purified SpAED species and their variants.
| Protein | Observed m/z | Calculated m/z* | ∆obs.- calc. |
|---|---|---|---|
| SpAED-1 | 16776.47 | 16777.7 | 1.23 |
| SpAED-2 | 15273.92 | 15273.78 | 0.14 |
| SpAED-3 | 14418.92 | 14418.78 | 0.14 |
| SpAED-4 | 13152.40 | 13152.32 | 0.08 |
| SpAED/S18L-1 | 16803.02 | 16803.78 | 0.76 |
| SpAED/S18L-2 | 15298.89 | 15299.86 | 0.97 |
| SpAED/S18L-3 | 14417.89 | 14418.78 | 0.89 |
| SpAED/S18L-4 | 13152.22 | 13152.32 | 0.10 |
| SpAED/∆IA-1 | 16592.95 | 16593.46 | 0.51 |
| SpAED/∆IA-2 | 15088.71 | 15089.54 | 0.83 |
| SpAED/∆IA-3 | 14417.86 | 14418.78 | 0.92 |
| SpAED/∆IA-4 | 13151.55 | 13152.32 | 0.77 |
| SpAED/R10A-1 | 16692.99 | 16692.59 | 0.40 |
| SpAED/R10A-2 | 15584.97 | 15586.2 | 1.23 |
| SpAED/R10A-3 | 14418.46 | 14418.78 | 0.32 |
| SpAED/R10A-4 | 13152.07 | 13152.32 | 0.25 |
*Based on average mass calculated with the online ExPASy tool.