4OK9:
reference: Crystal structure of the single-stranded RNA binding protein HutP from Geobacillus thermodenitrificans., Thiruselvam V, Sivaraman P, Kumarevel T, Ponnuswamy MN, Biochem Biophys Res Commun. 2014 Apr 18;446(4):945-51. doi:, 10.1016/j.bbrc.2014.03.036. Epub 2014 Mar 17. PMID: 24650662

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