3HSB:
reference: Crystal structure of Hfq from Bacillus subtilis in complex with SELEX-derived RNA aptamer: insight into RNA-binding properties of bacterial Hfq., Someya T, Baba S, Fujimoto M, Kawai G, Kumasaka T, Nakamura K, Nucleic Acids Res. 2012 Feb;40(4):1856-67. Epub 2011 Nov 3. PMID: 22053080

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