4GVY:
reference: Crystal structures of arginine kinase in complex with ADP, nitrate, and various phosphagen analogs., Clark SA, Davulcu O, Chapman MS, Biochem Biophys Res Commun. 2012 Sep 17. pii: S0006-291X(12)01793-7. doi:, 10.1016/j.bbrc.2012.09.053. PMID: 22995310

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