2JMV:
reference: The novel fold of scytovirin reveals a new twist for antiviral entry inhibitors., McFeeters RL, Xiong C, O'keefe BR, Bokesch HR, McMahon JB, Ratner DM, Castelli R, Seeberger PH, Byrd RA, J Mol Biol. 2007 Jun 1;369(2):451-61. Epub 2007 Mar 20. PMID: 17434526

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