2KDQ:
reference: Simultaneous recognition of HIV-1 TAR RNA bulge and loop sequences by cyclic peptide mimics of Tat protein., Davidson A, Leeper TC, Athanassiou Z, Patora-Komisarska K, Karn J, Robinson JA, Varani G, Proc Natl Acad Sci U S A. 2009 Jul 7. PMID: 19584251

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