5D3C:
reference: Zinc-Metalloproteinase Inhibitors: Evaluation of the Complex Role Played by the Zinc-Binding Group on Potency and Selectivity., Rouanet-Mehouas C, Czarny B, Beau F, Cassar-Lajeunesse E, Stura EA, Dive V, Devel L, J Med Chem. 2017 Jan 12;60(1):403-414. doi: 10.1021/acs.jmedchem.6b01420. Epub, 2016 Dec 20. PMID: 27996256

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