4KO0:
reference: Extension into the entrance channel of HIV-1 reverse transcriptase-Crystallography and enhanced solubility., Bollini M, Frey KM, Cisneros JA, Spasov KA, Das K, Bauman JD, Arnold E, Anderson KS, Jorgensen WL, Bioorg Med Chem Lett. 2013 Jul 8. pii: S0960-894X(13)00826-3. doi:, 10.1016/j.bmcl.2013.06.093. PMID: 23899617

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