| 2BQX: reference: Kinetic and structural properties of inorganic pyrophosphatase from the pathogenic bacterium Helicobacter pylori., Chao TC, Huang H, Tsai JY, Huang CY, Sun YJ, Proteins. 2006 Nov 15;65(3):670-80. PMID: 16988955 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).