1HH2:
reference: An extended RNA binding surface through arrayed S1 and KH domains in transcription factor NusA., Worbs M, Bourenkov GP, Bartunik HD, Huber R, Wahl MC, Mol Cell 2001 Jun;7(6):1177-89. PMID: 11430821

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