3Q2I:
reference: Biochemical and Structural Characterization of WlbA from Bordetella pertussis and Chromobacterium violaceum: Enzymes Required for the Biosynthesis of 2,3-Diacetamido-2,3-Dideoxy-D-Mannuronic Acid., Thoden JB, Holden HM, Biochemistry. 2011 Jan 17. PMID: 21241053

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