2UXA:
reference: Developmentally regulated, combinatorial RNA processing modulates AMPA receptor biogenesis., Greger IH, Akamine P, Khatri L, Ziff EB, Neuron. 2006 Jul 6;51(1):85-97. PMID: 16815334

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