4Q2U:
reference: Mechanisms of Toxin Inhibition and Transcriptional Repression by E. coli DinJ-YafQ., Ruangprasert A, Maehigashi T, Miles SJ, Giridharan N, Liu JX, Dunham CM, J Biol Chem. 2014 Jun 4. pii: jbc.M114.573006. PMID: 24898247

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