2M58:
reference: Structural principles of RNA catalysis in a 2'-5' lariat-forming ribozyme., Carlomagno T, Amata I, Codutti L, Falb M, Fohrer J, Masiewicz P, Simon B, J Am Chem Soc. 2013 Mar 20;135(11):4403-11. doi: 10.1021/ja311868t. Epub 2013 Mar, 8. PMID: 23472843

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