2KMJ:
reference: Structures of HIV TAR RNA-ligand complexes reveal higher binding stoichiometries., Ferner J, Suhartono M, Breitung S, Jonker HR, Hennig M, Wohnert J, Gobel M, Schwalbe H, Chembiochem. 2009 Jun 15;10(9):1490-4. PMID: 19444830

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