3E6P:
reference: Na(+) binding to meizothrombin desF1., Papaconstantinou ME, Gandhi PS, Chen Z, Bah A, Di Cera E, Cell Mol Life Sci. 2008 Nov;65(22):3688-97. PMID: 18854941

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