3CVE:
reference: The postsynaptic density proteins Homer and Shank form a polymeric network structure., Hayashi MK, Tang C, Verpelli C, Narayanan R, Stearns MH, Xu RM, Li H, Sala C, Hayashi Y, Cell. 2009 Apr 3;137(1):159-71. PMID: 19345194

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