Figure 5 - full size

Figure 5.
Hydrogen bonding interactions between Dpo4 and the 8-oxoG lesion.A, R332A(8-oxoG:A); B, R332A(8-oxoG:C); C, R332E(8-oxoG:A); D, R332E(8-oxoG:C); E, wild type 8-oxoG:dATP; F, wild type 8-oxoG:dCTP. The protein is shown with schematic α-helices and β-strands. The DNA duplex and selected Dpo4 residues are shown in stick mode. Ca^2+ ions and water molecules are shown as yellow and red spheres, respectively, and hydrogen bonds as dashed lines.