3NGG:
reference: Determination of the X-ray structure of the snake venom protein omwaprin by total chemical synthesis and racemic protein crystallography., Banigan JR, Mandal K, Sawaya MR, Thammavongsa V, Hendrickx AP, Schneewind O, Yeates TO, H Kent SB, Protein Sci. 2010 Jul 28. PMID: 20669184

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