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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: Chem Rev. 2017 Nov 20;118(5):2593–2635. doi: 10.1021/acs.chemrev.7b00421

Figure 26.

Figure 26

(A) Crystal structure of Cu(I)–Ls(AA9)A LPMO with G3 substrate bound on the surface of the enzyme. Protein–substrate contacts are shown as black dashed lines, and key residues involved in substrate binding are labeled. (B) Electron density map of the protein–substrate crystal structure of Cu(I)–Ls(AA9)A LPMO with G3 substrate under low X-ray dose conditions. Note the chloride ion that is nestled in the active site. Reprinted in part with permission from ref 180. Copyright 2016 Nature Publishing Group.