3VF7:
reference: Potent antiviral HIV-1 protease inhibitor GRL-02031 adapts to the structures of drug resistant mutants with its P1'-pyrrolidinone ring., Chang YC, Yu X, Zhang Y, Tie Y, Wang YF, Yashchuk S, Ghosh AK, Harrison RW, Weber IT, J Med Chem. 2012 Apr 12;55(7):3387-97. doi: 10.1021/jm300072d. Epub 2012 Mar 22. PMID: 22401672

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