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. 2007 Jun 13;405(Pt 1):123–130. doi: 10.1042/BJ20070017

Figure 1. Proposed pathway for the biosynthesis of UDP-D-Man(2NAc3NAc)A in P. aeruginosa PAO1 (underlined enzyme names) and B. pertussis.

Figure 1

The full names of the sugars are as follows: GlcNAc, glucosamine; GlcNAcA, 2-acetamido2,3-dideoxy-D-glucuronic acid; 3-keto-D-GlcNAcA, 2-acetamido-2-deoxy-D-ribo-hex-3-uluronic acid; GlcNAc3NA, 2-acetamido-3-amino-2,3-dideoxy-D-glucuronic acid; GlcNAc3NAcA, 2,3-diacetamido-2,3-dideoxy-D-glucuronic acid; ManNAc3NAcA, 2,3-diacetamido-2,3-dideoxy-D-mannuronic acid. The reaction step catalysed by WbpI/WlbD is shown in bold. Adapted from Miller et al. [10] and Wenzel, C. Q., Daniels, C., Keates, R. A., Brewer, D. and Lam, J. S. (2005) Evidence that WbpD is an N-acetyltransferase belonging to the hexapeptide acyltransferase superfamily and an important protein for O-antigen biosynthesis in Pseudomonas aeruginosa PAO1. Mol. Microbiol. 57, 1288–1303, with permission from Blackwell Publishing Ltd.