7JH4:
reference: NfoR, Chromate Reductase or FMN reductase?, O'Neill AG, Beaupre BA, Zheng Y, Liu D, Moran GR, Appl Environ Microbiol. 2020 Sep 4. pii: AEM.01758-20. doi: 10.1128/AEM.01758-20. PMID: 32887719

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