3VXE:
reference: Neutron and X-ray crystallographic analysis of the human alpha-thrombin-bivalirudin complex at pD 5.0: protonation states and hydration structure of the enzyme-product complex., Yamada T, Kurihara K, Ohnishi Y, Tamada T, Tomoyori K, Masumi K, Tanaka I, Kuroki R, Niimura N, Biochim Biophys Acta. 2013 Aug;1834(8):1532-8. doi: 10.1016/j.bbapap.2013.05.014., Epub 2013 May 25. PMID: 23712263

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