4HKQ:
reference: Structural analysis of monomeric retroviral reverse transcriptase in complex with an RNA/DNA hybrid., Nowak E, Potrzebowski W, Konarev PV, Rausch JW, Bona MK, Svergun DI, Bujnicki JM, Le Grice SF, Nowotny M, Nucleic Acids Res. 2013 Feb 4. PMID: 23382176

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