2KIJ:
reference: Solution structures of the actuator domain of ATP7A and ATP7B, the Menkes and Wilson disease proteins., Banci L, Bertini I, Cantini F, Migliardi M, Natile G, Nushi F, Rosato A, Biochemistry. 2009 Aug 25;48(33):7849-55. PMID: 19645496

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