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Description

ES911000: 4-Nitrophenyl α-KojobiosideC18H25NO13 463. 39 A 4 nitrophenyl glycoside of kojibiose (Glc1 2Glc), an 1 2 linked glucose disaccharide. Used as a chromogenic substrate for glucosidases with kojibiose 1 2 linkage selectivity (e. g., kojibiose hydrolase, isomaltose and trehalose related glucosidases); enzymatic cleavage of the aglycone proximal glucosidic bond releases 4 nitrophenol. 4 Nitrophenyl (pNP) glycosides are chromogenic enzyme substrates: cleavage of the glycosidic bond

which can be removed under acidic conditions to reveal the free amine for conjugation

66 / An Fmoc-protected L-asparagine building block carrying a β-D-GlcNAc residue

/ Fmoc-L-Val(i

Fmoc-Ser(α-Gal-β(1-3)-GalNAc)-OH

β-D-Gal-Ethyl-Azide

41 / A β-D-lactose ligand equipped with a thiol-functionalized linker through a short ethyl spacer

/ α-D-Man-Propyl-Azide / α-Man-Pr-N3

Tn Antigen (Serine

/ Fmoc-Thr(Neu5Acα(2-6)GalNAc)-OH (Peracetate

C57H71N3O28 / 1246

Fmoc-Thr([Gal β(1-4)Glc]Ac7)-OH

9 / An Fmoc-protected L-serine building block carrying a Galβ1-3GalNAcα disaccharide