2HJV:
reference: Structure of the second domain of the Bacillus subtilis DEAD-box RNA helicase YxiN., Caruthers JM, Hu Y, McKay DB, Acta Crystallograph Sect F Struct Biol Cryst Commun. 2006 Dec 1;62(Pt, 12):1191-5. Epub 2006 Nov 30. PMID: 17142894

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