4PKC:
reference: Structures of benzylsuccinate synthase elucidate roles of accessory subunits in glycyl radical enzyme activation and activity., Funk MA, Judd ET, Marsh EN, Elliott SJ, Drennan CL, Proc Natl Acad Sci U S A. 2014 Jun 30. pii: 201405983. PMID: 24982148

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