2QBZ:
reference: Structure and mechanism of a metal-sensing regulatory RNA., Dann CE 3rd, Wakeman CA, Sieling CL, Baker SC, Irnov I, Winkler WC, Cell. 2007 Sep 7;130(5):878-92. PMID: 17803910

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