5XJP:
reference: Mechanistic insight into how multidrug resistant Acinetobacter baumannii response regulator AdeR recognizes an intercistronic region., Wen Y, Ouyang Z, Yu Y, Zhou X, Pei Y, Devreese B, Higgins PG, Zheng F, Nucleic Acids Res. 2017 Sep 19;45(16):9773-9787. doi: 10.1093/nar/gkx624. PMID: 28934482

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