2R5Q:
reference: The Contribution of Naturally Occurring Polymorphisms in Altering the Biochemical and Structural Characteristics of HIV-1 Subtype C Protease., Coman RM, Robbins AH, Fernandez MA, Gilliland CT, Sochet AA, Goodenow MM, McKenna R, Dunn BM, Biochemistry. 2008 Jan 15;47(2):731-43. Epub 2007 Dec 20. PMID: 18092815

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