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. 2011 Aug 1;108(34):13990-13994. doi: 10.1073/pnas.1104698108

Fig. 1.

Fig. 1.

(A) X-ray structures of the fully reduced bimetallic heme a3/CuB center in CcO from bovine heart (FeII⋯CuI = 5.19 Å) (3) [figure adapted from (8)]. (B) heme/Cu synthetic model for CcO (6LFeCu). (C) Cu-free version of synthetic model for CcO (6LFe).