3GXY:
reference: Structures of the complexes of a potent anti-HIV protein cyanovirin-N and high mannose oligosaccharides., Botos I, O'Keefe BR, Shenoy SR, Cartner LK, Ratner DM, Seeberger PH, Boyd MR, Wlodawer A, J Biol Chem. 2002 Sep 13;277(37):34336-42. Epub 2002 Jul 10. PMID: 12110688

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