3FQM:
reference: CRYSTAL STRUCTURE OF A NOVEL DIMERIC FORM OF NS5A DOMAIN I PROTEIN FROM HEPATITIS C VIRUS., Love RA, Brodsky O, Hickey MJ, Wells PA, Cronin CN, J Virol. 2009 Feb 25. PMID: 19244328

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