Protein Structure from Scientific Research

Position change of Arg88 (black arrow) upon UDP-GlcA binding, shown by superimposing structures of binary (PDB: 6ZL6; cyan; waters in green) and ternary complex (PDB: 6ZLD; brown; waters in yellow). NAD+ is in gray and UDP-GlcA in beige. The general acid/base Tyr149 is highlighted.36,37,38,41

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