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. Author manuscript; available in PMC: 2014 Apr 15.
Published in final edited form as: Annu Rev Biochem. 2010;79:537–562. doi: 10.1146/annurev-biochem-030409-143539

Figure 4.

Figure 4

Visualization of the Cys-Xaa-Xaa-Cys motifs taken from NMR solution structures (Protein Data Bank codes indicated) of the apo-, Cu(I)-, and heterodimeric forms of Atx1 and Ccc2a to represent the transfer of Cu(I) from Atx1 to Ccc2a via ligand-exchange reactions.