3N89:
reference: Four KH domains of the C. elegans Bicaudal-C ortholog GLD-3 form a globular structural platform., Nakel K, Hartung SA, Bonneau F, Eckmann CR, Conti E, RNA. 2010 Sep 7. PMID: 20823118

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