4AOD:
reference: Acetylcholine-Binding Protein in the Hemolymph of the Planorbid Snail Biomphalaria glabrata Is a Pentagonal Dodecahedron (60 Subunits)., Saur M, Moeller V, Kapetanopoulos K, Braukmann S, Gebauer W, Tenzer S, Markl J, PLoS One. 2012;7(8):e43685. Epub 2012 Aug 20. PMID: 22916297

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