3CHD:
reference: Structure-based dissection of the natural product cyclopentapeptide chitinase inhibitor argifin., Andersen OA, Nathubhai A, Dixon MJ, Eggleston IM, van Aalten DM, Chem Biol. 2008 Mar;15(3):295-301. PMID: 18355729

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