1BKB:
reference: Structure of translation initiation factor 5A from Pyrobaculum aerophilum at 1.75 A resolution., Peat TS, Newman J, Waldo GS, Berendzen J, Terwilliger TC, Structure 1998 Sep 15;6(9):1207-14. PMID: 9753699

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