3VRS: Crystal Structure Of Fluoride Riboswitch, Soaked In Mn2+
reference: Fluoride ion encapsulation by Mg2+ ions and phosphates in a fluoride riboswitch., Ren A, Rajashankar KR, Patel DJ, Nature. 2012 May 13;486(7401):85-9. doi: 10.1038/nature11152. PMID: 22678284

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