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. Author manuscript; available in PMC: 2014 Nov 4.
Published in final edited form as: Angew Chem Int Ed Engl. 2013 Sep 13;52(45):11852–11856. doi: 10.1002/anie.201305667

Scheme 4.

Scheme 4

One-pot three-enzyme GlcA activation and transfer system for the synthesis of GlcAβ1–4GlcNAcα1–4GlcAβ2AA trisaccharide and derivatives. EcGalU, Escherichia coli K-12 glucose-1-phosphate uridylyltransferase; PmUgd, Pasteurella multocida strain P-1059 UDP-glucose dehydrogenase.