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. 2016 Jun 2;212(1):123–135. doi: 10.1111/nph.14039

Figure 6.

Figure 6

Molecular docking and mutagenesis assay of Glycyrrhiza uralensis UDP‐dependent glucuronosyltransferase (GuUGAT). (a) Molecular docking with UDP‐glucuronic acid (1), glycyrrhetinic acid (2) and glucopyranosiduronic acid (3). Hydrogen bonds are labelled with dashed arrows, and amino acid residues interacting with UDP‐glucuronic acid, glycyrrhetinic acid or glucopyranosiduronic acid via hydrogen bonding are highlighted with circles. (b) Relative catalytic activity of GuUGAT mutants when glycyrrhetinic acid (1) or glucopyranosiduronic acid (2) was used as a substrate. Error bars used in the figure indicate ± SDs.