2ER0:
reference: X-ray studies of aspartic proteinase-statine inhibitor complexes., Cooper JB, Foundling SI, Blundell TL, Boger J, Jupp RA, Kay J, Biochemistry 1989 Oct 17;28(21):8596-603. PMID: 2690945

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