2RN1:
reference: Liquid-crystal NMR structure of HIV TAR RNA bound to its SELEX RNA aptamer reveals the origins of the high stability of the complex., Van Melckebeke H, Devany M, Di Primo C, Beaurain F, Toulme JJ, Bryce DL, Boisbouvier J, Proc Natl Acad Sci U S A. 2008 Jul 8;105(27):9210-5. Epub 2008 Jul 7. PMID: 18607001

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