4XC8:
reference: Visualization of a radical B12 enzyme with its G-protein chaperone., Jost M, Cracan V, Hubbard PA, Banerjee R, Drennan CL, Proc Natl Acad Sci U S A. 2015 Feb 24;112(8):2419-24. doi:, 10.1073/pnas.1419582112. Epub 2015 Feb 9. PMID: 25675500

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