3CB8:
reference: Structural basis for glycyl radical formation by pyruvate formate-lyase activating enzyme., Vey JL, Yang J, Li M, Broderick WE, Broderick JB, Drennan CL, Proc Natl Acad Sci U S A. 2008 Oct 21;105(42):16137-41. Epub 2008 Oct 13. PMID: 18852451

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