1MK1:
reference: Structure and mechanism of MT-ADPRase, a nudix hydrolase from Mycobacterium tuberculosis., Kang LW, Gabelli SB, Cunningham JE, O'Handley SF, Amzel LM, Structure (Camb) 2003 Aug;11(8):1015-23. PMID: 12906832

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