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. 2012 Dec 10;109(52):21234–21239. doi: 10.1073/pnas.1212893110

Fig. 1.

Fig. 1.

(A) Representation of the model of the metallopeptide Cu(I/II)(TRIL23H)3+/2+ based on the structure of Hg(II)S[Zn(II)N(H2O)](CSL9CL23H)3+ [PDB ID code 3PBJ (6)]. (B) View of the Zn(II)(H2O)(His)3 site along the pseudo-three-fold axis of Hg(II)S[Zn(II)N(H2O)](CSL9CL23H)3+ (light gray), overimposed to the type 2 Cu(II)(H2O)(His)3 site in R. sphaeroides NiR (PDB ID code 2DY2, dark gray). Light gray for Zn(II)(H2O), dark gray for Cu(II)(H2O). Coordinated water molecules are reported as spheres. (C) Side view of the two metal sites, as in B.