4GZF:
reference: Ligand modifications to reduce the relative resistance of multi-drug resistant HIV-1 protease., Dewdney TG, Wang Y, Liu Z, Sharma SK, Reiter SJ, Brunzelle JS, Kovari IA, Woster PM, Kovari LC, Bioorg Med Chem. 2013 Sep 27. pii: S0968-0896(13)00825-0. doi:, 10.1016/j.bmc.2013.09.045. PMID: 24128815

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