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Confirmation of partial N-terminal arginine addition
| Peptide | Calculated monoisotopic mass | Observed monoisotopic mass | Mass differences (Da) |
|---|---|---|---|
|
D + aa 552–564 DVGVDELDKIDLSY |
790.88 Da (MH+2) |
790.89 Da (MH+2) |
0.01 |
|
N-terminal R + D + aa 552–564 RDVGVDELDKIDLSY |
868.94 Da (MH+2) |
868.96 Da (MH+2) |
0.02 |
