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. Author manuscript; available in PMC: 2017 Mar 14.
Published in final edited form as: Org Biomol Chem. 2016 Mar 14;14(10):2809–2818. doi: 10.1039/c6ob00058d

Fig. 3.

Fig. 3

The simplest routes for glycosyltransferase-catalyzed enzymatic synthesis of complex mammalian glycans with in situ generation of sugar nucleotides from (A) a monosaccharide other than sialic acid or (B) sialic acid (Sia). Enzyme abbreviations: GlyK, glycokinase; NucT, nucleotidyltransferase; GlyT, glycosyltransferase; PpA, inorganic pyrophosphatase; aldolase, sialic acid aldolase, CSS, CMP-sialic acid synthetase; SiaT, sialyltransferase.