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. Author manuscript; available in PMC: 2021 Aug 15.
Published in final edited form as: Int J Biol Macromol. 2020 Apr 26;157:158–169. doi: 10.1016/j.ijbiomac.2020.04.199

Fig. 8. Amino acid sequence of human EPO showing N-glycosylation sites and LC-MS/MS spectra of trypsin+GluC glycopeptides of rhuEPO purified from transgenic line B1–1 co-expressing chimeric GalT and sialylation pathway genes.

Fig. 8.

A) Amino acid sequence of human EPO showing signal peptide with three Nglycoylation sites (shown in red). Amino acid sequence highlighted in green indicate regions with good peptide scores in mass spectra; B) N-glycans identified at site I; C) N-glycans at site II; D) N-glycans at site III.