4JN1:
reference: A specific antidote for dabigatran: functional and structural characterization., Schiele F, van Ryn J, Canada K, Newsome C, Sepulveda E, Park J, Nar H, Litzenburger T, Blood. 2013 Mar 8. PMID: 23476049

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