2-[(2-Azidoacetyl)amino]-2-deoxy-D-galactose

2-[(Azidoacety)amino]-2-deoxy-D-galactose targets O-GlcNAc-modified proteins. By detecting and targeting O-GlcNAc-modified proteins, 2-[(Azidoacety)amino]-2-deoxy-D-galactose can serve as a chemical tag for intracellular sugar chain metabolism[1].

[1] Qin W, et al. Artificial Cysteine S-Glycosylation Induced by Per-O-Acetylated Unnatural Monosaccharides during Metabolic Glycan Labeling. Angew Chem Int Ed Engl. 2018 Feb 12;57(7):1817-1820.. DOI:10.1002/anie.201711710