4LC1:
reference: Autoinhibition and signalling by the switch II motif in the G-protein chaperone of a radical B12 enzyme., Lofgren M, Koutmos M, Banerjee R, J Biol Chem. 2013 Aug 30. PMID: 23996001

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