4QB0:
reference: The structure of the C-terminal domain of the Zaire ebolavirus nucleoprotein., Dziubanska PJ, Derewenda U, Ellena JF, Engel DA, Derewenda ZS, Acta Crystallogr D Biol Crystallogr. 2014 Sep 1;70(Pt 9):2420-9. doi:, 10.1107/S1399004714014710. Epub 2014 Aug 29. PMID: 25195755

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