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. 2021 Mar 4;11:5147. doi: 10.1038/s41598-021-84682-z

Figure 4.

Figure 4

MS/MS fragment ion spectrum of the de-N-glycosylated and deamidated N-glycopeptide from the ZIKV E protein produced in EB66 cells. The fragment ion spectrum of the tryptic peptide IMLSVHGSQHSGMIVN(deamidated)DTGHETDNR after N-glycan release is shown. Diagnostic y-ions (red) and b-ions (blue) are annotated in the ion spectrum and highlighted in the peptide sequence at the upper right corner. The potential N-glycosylation site N444 is deamidated (red).