5E7J:
reference: Autoinhibitory Interdomain Interactions and Subfamily-Specific Extensions Redefine the Catalytic Core of the Human DEAD-box Protein DDX3., Floor SN, Condon KJ, Sharma D, Jankowsky E, Doudna JA, J Biol Chem. 2015 Nov 23. pii: jbc.M115.700625. PMID: 26598523

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