2AIH:
reference: Inhibitory properties and solution structure of a potent Bowman-Birk protease inhibitor from lentil (Lens culinaris, L) seeds., Ragg EM, Galbusera V, Scarafoni A, Negri A, Tedeschi G, Consonni A, Sessa F, Duranti M, FEBS J. 2006 Sep;273(17):4024-39. Epub 2006 Aug 2. PMID: 16889634

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