1KUU:
reference: Crystal structure of Methanobacterium thermoautotrophicum conserved protein MTH1020 reveals an NTN-hydrolase fold., Saridakis V, Christendat D, Thygesen A, Arrowsmith CH, Edwards AM, Pai EF, Proteins 2002 Jul 1;48(1):141-3. PMID: 12012346

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