1P6T:
reference: Structural basis for the function of the N-terminal domain of the ATPase CopA from Bacillus subtilis., Banci L, Bertini I, Ciofi-Baffoni S, Gonnelli L, Su XC, J Biol Chem 2003 Dec 12;278(50):50506-13. Epub 2003 Sep 27. PMID: 14514665

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