Figure 4.
Active site of glycine-soaked crystals of H583C PlGoxA (PDB code 6VL7). A, omit Fo − Fc electron density contoured at 4.0σ for a model omitting active-site waters. B, 2Fo − Fc electron density contoured at 1.0σ for a model including waters. C, active-site residues shown as sticks colored according to element. Carbons from residues of the neighboring protomer are colored yellow. Waters are shown as red spheres, and putative hydrogen bonds are shown as dotted lines with distances indicated in Å. D, overlay of the H583C (cyan and yellow) and WT (gray) PlGoxA-active sites. The hydrogen bonds indicated are from the WT structure.