Additional one-pot multienzyme (OPME) systems that have been developed in our and Peng G. Wang’s groups. A. Enzyme abbreviations: BiGalK, Bifidobacterium infantis galactokinase;36,47,48 AtUSP, Arabidopsis thaliana UDP-sugar pyrophosphorylase;36 EcGalU, Escherichia coli UDP-glucose pyrophosphorylase;45 EcGalE, Escherichia coli UDP-galactose C4-epimerase;45 PmUgd, Pasteurella multocida UDP-glucose dehydrogenase;40 BiGalHexNAcP, Bifidobacterium infantis Galβ1–3HexNAc phosphorylase.52