FIGURE 5.

Second metal-binding site creates a metal-mediated SliLPMO10E dimer. A, surface representation of the symmetry-generated metal-mediated dimer of SliLPMO10E together with a 2F_o − F_c electron density map contoured at 1 σ of the copper coordination site at the dimer interface. Copper ions are shown in spheres. B, anomalous electron density maps contoured at 5 σ at x-ray wavelengths of 1.2 Å (above the copper and zinc K-edges) and 1.33 Å (below the zinc but above the copper K-edges) for the active and MMD sites.