Table 3 Identified FMRpolyG proteotypic peptides
From: Composition of the Intranuclear Inclusions of Fragile X-associated Tremor/Ataxia Syndrome
Sequence | Modifications | Observed m/z | Charge | Theoretical Mass (Da) | Spectral Counts (MS/MS) | ||
|---|---|---|---|---|---|---|---|
FMRpolyG-GFP (recombinant) | Native FXTAS Inclusions | Native FXTAS SUMO-IP | |||||
MEAPLPGGVR | Acetyl (+42) | 534.78 | 2 | 1068.54 | 1 | - | - |
| Â | Acetyl (+42) Oxidation (+16) | 542.78 | 2 | 1084.54 | - | 1 | - |
EAPLPGGVR | Â | 448.25 | 2 | 895.50 | - | 1 | - |
SPPLGGGLPALAGLK | Â | 674.40 | 2 | 1347.80 | 3 | 1 | 2 |
SPPLGGGLPALAGLKR | Â | 501.97 | 3 | 1503.90 | 1 | - | - |
CGAPMALSTR | Carbamidomethyl (+57) | 532.25 | 2 | 1063.50 | 1 | - | - |
| Â | Carbamidomethyl (+57) Ammonia-loss (-17) | 523.74 | 2 | 1046.50 | 1 | - | - |