2XJH:
reference: Copper-Binding Properties and Structures of Methanobactins from Methylosinus trichosporium OB3b., El Ghazouani A, Basle A, Firbank SJ, Knapp CW, Gray J, Graham DW, Dennison C, Inorg Chem. 2011 Jan 21. PMID: 21254756

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).