| 2HIM: reference: Crystal Structure and Allosteric Regulation of the Cytoplasmic Escherichia colil-Asparaginase I., Yun MK, Nourse A, White SW, Rock CO, Heath RJ, J Mol Biol. 2007 Jun 8;369(3):794-811. Epub 2007 Mar 30. PMID: 17451745 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).