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. 2007 Oct 18;35(21):7209–7221. doi: 10.1093/nar/gkm867

Figure 1.

Figure 1.

Structures of homing endonuclease–DNA complexes in this study. The structures correspond to a homodimeric LAGLIDADG enzyme (I-MsoI; 2.5 Å resolution), a monomeric LAGLIDADG enzyme (I-AniI; 2.4 Å), a homodimeric His-Cys box enzyme (I-PpoI, 1.7 Å), an HNH enzyme (I-HmuI, 3.1 Å) and a tetrameric PD-D/E-XK enzyme (I-SspI; 3.1 Å). All structures shown are in complex with wild-type physiological target sites from the biological host of the corresponding homing endonuclease. Bound metal ions are shown as spheres.