3R1K:
reference: Unusual regioversatility of acetyltransferase Eis, a cause of drug resistance in XDR-TB., Chen W, Biswas T, Porter VR, Tsodikov OV, Garneau-Tsodikova S, Proc Natl Acad Sci U S A. 2011 May 31. PMID: 21628583

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