3F8G:
reference: Structural features for the mechanism of antitumor action of a dimeric human pancreatic ribonuclease variant., Merlino A, Avella G, Di Gaetano S, Arciello A, Piccoli R, Mazzarella L, Sica F, Protein Sci. 2009 Jan;18(1):50-7. PMID: 19177350

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