Fig. 1From: Metabolic engineering of Bacillus megaterium for heparosan biosynthesis using Pasteurella multocida heparosan synthase, PmHS2a The chemical structure and symbolic representation of the disaccharide repeating unit of heparosan. N: non-reducing end, R: reducing end. b Metabolic pathway showing the biosynthesis of heparosan from relevant precursors. Enzyme names are italicizedBack to article page