3RGH:
reference: Structure of filamin A immunoglobulin-like repeat 10 from Homo sapiens., Page RC, Clark JG, Misra S, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Aug 1;67(Pt, 8):871-6. Epub 2011 Jul 26. PMID: 21821884

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