1MOM:
reference: Crystal structure of momordin, a type I ribosome inactivating protein from the seeds of Momordica charantia., Husain J, Tickle IJ, Wood SP, FEBS Lett 1994 Apr 4;342(2):154-8. PMID: 8143869

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