4LRY:
reference: Coiled-Coil Helix Rotation Selects Repressing or Activating State of Transcriptional Regulator DhaR., Shi R, McDonald L, Cygler M, Ekiel I, Structure. 2014 Jan 14. pii: S0969-2126(13)00471-1. doi:, 10.1016/j.str.2013.11.012. PMID: 24440518

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