2NCI:
reference: NMR Structures and Dynamics in a Prohead RNA Loop that Binds Metal Ions., Gu X, Park SY, Tonelli M, Cornilescu G, Xia T, Zhong D, Schroeder SJ, J Phys Chem Lett. 2016 Sep 19:3841-3846. PMID: 27631837

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