1HIV:
reference: Crystal structure of a complex of HIV-1 protease with a dihydroxyethylene-containing inhibitor: comparisons with molecular modeling., Thanki N, Rao JK, Foundling SI, Howe WJ, Moon JB, Hui JO, Tomasselli AG, Heinrikson RL, Thaisrivongs S, Wlodawer A, Protein Sci 1992 Aug;1(8):1061-72. PMID: 1304383

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