3GWI:
reference: The structure of Mg-ATPase nucleotide-binding domain at 1.6 A resolution reveals a unique ATP-binding motif., Hakansson KO, Acta Crystallogr D Biol Crystallogr. 2009 Nov;65(Pt 11):1181-6. Epub 2009, Oct 22. PMID: 19923713

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