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. Author manuscript; available in PMC: 2013 Jan 31.
Published in final edited form as: Nat Struct Mol Biol. 2009 Jan 11;16(2):138–143. doi: 10.1038/nsmb.1538

Figure 4.

Figure 4

Protein-DNA contacts in the base lesion pocket. (a) Diagram of interactions involved in hypoxanthine recognition, shown in both side-view and front-view. Hydrogen bonds and steric interactions shown with dashed lines; the van der Waals volumes of selected residues involved in hypoxanthine contacts represented by dotted surfaces. (b) Tautomeric forms of hypoxanthine and detailed hydrogen bonding network. (c) Tautomeric forms of xanthine and detailed hydrogen bonding network. (d) Model of uracil binding to EndoV.