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Table 1 Confirmation of partial N-terminal arginine addition

From: The Pfs230 N-terminal fragment, Pfs230D1+: expression and characterization of a potential malaria transmission-blocking vaccine candidate

PeptideCalculated monoisotopic massObserved monoisotopic massMass 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