2FXD:
reference: X-ray crystal structures of human immunodeficiency virus type 1 protease mutants complexed with atazanavir., Klei HE, Kish K, Lin PF, Guo Q, Friborg J, Rose RE, Zhang Y, Goldfarb V, Langley DR, Wittekind M, Sheriff S, J Virol. 2007 Sep;81(17):9525-35. Epub 2007 May 30. PMID: 17537865

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