Fig. 6From: Cascade synthesis of uridine-5′-diphosphate glucuronic acid by coupling multiple whole cells expressing hyperthermophilic enzymesAnalysis of UDP-GlcA formation. a The supernatant of the three-step cascade reaction was assayed by PAMN-HPLC. b ESI–MS of product UDP-GlcA. The supernatant of the three-step cascade reaction was assayed by MS after desalting using a P2 columnBack to article page