1Y9I:
reference: Crystal structure of phosphatidylglycerophosphatase (PGPase), a putative membrane-bound lipid phosphatase, reveals a novel binuclear metal binding site and two "proton wires"., Kumaran D, Bonanno JB, Burley SK, Swaminathan S, Proteins. 2006 Sep 1;64(4):851-62. PMID: 16838328

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