5KQX:
reference: Effects of Hinge Region Natural Polymorphisms on Human Immunodeficiency Virus-1 Protease Structure, Dynamics and Drug-Pressure Evolution., Liu Z, Huang X, Hu L, Pham L, Poole KM, Tang Y, Mahon BP, Tang W, Li K, Goldfarb NE, Dunn BM, McKenna R, Fanucci GE, J Biol Chem. 2016 Aug 30. pii: jbc.M116.747568. PMID: 27576689

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