2XO5:
reference: Kinetics of Radical Intermediate Formation and Deoxynucleotide Production in 3-Aminotyrosine-Substituted Escherichia coli Ribonucleotide Reductases., Minnihan EC, Seyedsayamdost MR, Uhlin U, Stubbe J, J Am Chem Soc. 2011 Jun 22;133(24):9430-40. Epub 2011 May 25. PMID: 21612216

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