3CSP:
reference: Demyelinating myelin oligodendrocyte glycoprotein-specific autoantibody response is focused on one dominant conformational epitope region in rodents., Breithaupt C, Schafer B, Pellkofer H, Huber R, Linington C, Jacob U, J Immunol. 2008 Jul 15;181(2):1255-63. PMID: 18606679

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