3IYP:
reference: The Interaction of Decay-accelerating Factor with Echovirus 7., Plevka P, Hafenstein S, Harris KG, Cifuente JO, Zhang Y, Bowman VD, Chipman PR, Bator CM, Lin F, Medof ME, Rossmann MG, J Virol. 2010 Sep 29. PMID: 20881044

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