| 4HZ1: reference: Azurin as a Protein Scaffold for a Low-coordinate Nonheme Iron Site with a Small-molecule Binding Pocket., McLaughlin MP, Retegan M, Bill E, Payne TM, Shafaat HS, Pena S, Sudhamsu J, Ensign AA, Crane BR, Neese F, Holland PL, J Am Chem Soc. 2012 Dec 5;134(48):19746-57. doi: 10.1021/ja308346b. Epub 2012 Nov, 20. PMID: 23167247 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).