1W1P:
reference: Structure-based exploration of cyclic dipeptide chitinase inhibitors., Houston DR, Synstad B, Eijsink VG, Stark MJ, Eggleston IM, van Aalten DM, J Med Chem. 2004 Nov 4;47(23):5713-20. PMID: 15509170

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