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. Author manuscript; available in PMC: 2017 Dec 6.
Published in final edited form as: Biochemistry. 2016 Nov 22;55(48):6652–6661. doi: 10.1021/acs.biochem.6b00845

Figure 1.

Figure 1

Crystal structure of CuM and CuH sites of reduced WT PHMcc-CO complex at 2.15 Å (PDB ID code 3MLJ). PHM CuM is shown bound to CO in an end-on, bent configuration with additional coordination from His242, His 244, and Met314. CuH is coordinated by His107, 108, and 172.