To determine the sequences of the Flu HA1 and HA2 proteins, we performed intact mass LC-MS analysis. By reducing disulfide bridges two peaks corresponding to the HA1 and HA2 components were detected. Mass profiles were obtained for both glycosylated and deglycosylated HA proteins.
ORGANISM(S): Influenza A virus (A/Aquatic bird/Hong Kong/M603/98(H11N1))
