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Jaskólski M; Tomasselli AG; Sawyer TK; Staples DG; Heinrikson RL; Schneider J; Kent SB; Wlodawer A (1991). »Structure at 2.5-A resolution of chemically synthesized human immunodeficiency virus type 1 protease complexed with a hydroxyethylene-based inhibitor«. Biochemistry. 30 (6): 1600–1609. doi:10.1021/bi00220a023. PMID1993177.