4P7D:
reference: Functional and structural analysis of HicA3-HicB3, a novel toxin-antitoxin system of Yersinia pestis., Bibi-Triki S, Li de la Sierra-Gallay I, Lazar N, Leroy A, Van Tilbeurgh H, Sebbane F, Pradel E, J Bacteriol. 2014 Aug 11. pii: JB.01932-14. PMID: 25112480

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