3AWI:
reference: Crystal structure of the bifunctional tRNA modification enzyme MnmC from Escherichia coli., Kitamura A, Sengoku T, Nishimoto M, Yokoyama S, Bessho Y, Protein Sci. 2011 May 13. doi: 10.1002/pro.659. PMID: 21574198

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