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. 2022 Dec 15;12(12):3177. doi: 10.3390/diagnostics12123177

Figure 1.

Figure 1

Two major types of protein glycosylation. N-glycans consist of N-acetylglucosamine (GlcNAc) attached by a β1-glycosidic linkage to the amino group of asparagine (Asn). Mucin-type O-glycosylation, consisting of O-glycans attachment via O-linked Nacetylgalactosamine (GalNAc) to the hydroxyl oxygen of serine/threonine (Ser/Thr) residues.