3DWB:
reference: Structure of human Endothelin-converting Enzyme I Complexed with Phosphoramidon., Schulz H, Dale GE, Karimi-Nejad Y, Oefner C, J Mol Biol. 2008 Nov 1. PMID: 18992253

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