5IQS:
reference: Structural basis for halogenation by iron- and 2-oxo-glutarate-dependent enzyme WelO5., Mitchell AJ, Zhu Q, Maggiolo AO, Ananth NR, Hillwig ML, Liu X, Boal AK, Nat Chem Biol. 2016 Jun 27. doi: 10.1038/nchembio.2112. PMID: 27348090

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