2G69:
reference: Mechanism of Drug Resistance Revealed by the Crystal Structure of the Unliganded HIV-1 Protease with F53L Mutation., Liu F, Kovalevsky AY, Louis JM, Boross PI, Wang YF, Harrison RW, Weber IT, J Mol Biol. 2006 May 19;358(5):1191-9. Epub 2006 Mar 20. PMID: 16569415

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