Backbone resonance assignments and secondary structure of Ebola nucleoprotein 600–739 construct

Woonghee Lee, Marco Tonelli, Chao Wu, David J. Aceti, Gaya K. Amarasinghe, John L. Markley

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Ebola viral infections have resulted in several deadly epidemics in recent years in West and Central Africa. Because only one of the seven proteins encoded by the viral genome possesses enzymatic activity, disruption of protein–protein interactions is a promising route for antiviral drug development. We carried out a screening campaign to identify small, drug-like compounds that bind to the C-terminal region of the multifunctional Ebola nucleoprotein (eNP) with the objective of discovering ones that disrupt its binding to other Ebola proteins or to the single-stranded RNA genome. In the course of this effort we assigned the backbone 1H, 15N, and 13C resonances of residues 600‒739, the region that contains the critical eVP30 binding region 600‒615 targeted by host factors, and used the assigned chemical shifts to predict secondary structural features and peptide dynamics. This work supports and extends the previous X-ray crystal structures and NMR studies of residues 641‒739. We found that the 600‒739 domain consists of separate regions that are largely disordered and ordered.

Original languageEnglish
Pages (from-to)315-319
Number of pages5
JournalBiomolecular NMR Assignments
Volume13
Issue number2
DOIs
StatePublished - Oct 15 2019

Keywords

  • Ebola virus
  • Non-segmented negative-stranded RNA virus
  • Nucleoprotein
  • Virus replication

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