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| Item Type: | Article |
|---|---|
| Title: | Structure of the hantavirus nucleoprotein provides insights into the mechanism of RNA encapsidation |
| Creators Name: | Olal, D. and Daumke, O. |
| Abstract: | Hantaviruses are etiological agents of life-threatening hemorrhagic fever with renal syndrome and hantavirus cardiopulmonary syndrome. The nucleoprotein (N) of hantavirus is essential for viral transcription and replication, thus representing an attractive target for therapeutic intervention. We have determined the crystal structure of hantavirus N to 3.2 {Angstrom} resolution. The structure reveals a two-lobed, mostly {alpha}-helical structure that is distantly related to that of orthobunyavirus Ns. A basic RNA binding pocket is located at the intersection between the two lobes. We provide evidence that oligomerization is mediated by amino- and C-terminal arms that bind to the adjacent monomers. Based on these findings, we suggest a model for the oligomeric ribonucleoprotein (RNP) complex. Our structure provides mechanistic insights into RNA encapsidation in the genus Hantavirus and constitutes a template for drug discovery efforts aimed at combating hantavirus infections. |
| Keywords: | Binding Sites, Hantavirus, Molecular Models, Nucleoproteins, Protein Multimerization, Quaternary Protein Structure, Viral Nonstructural Proteins, Viral RNA, Virus Assembly, X-Ray Crystallography |
| Source: | Cell Reports |
| ISSN: | 2211-1247 |
| Publisher: | Cell Press / Elsevier |
| Volume: | 14 |
| Number: | 9 |
| Page Range: | 2092-2099 |
| Date: | 8 March 2016 |
| Official Publication: | https://doi.org/10.1016/j.celrep.2016.02.005 |
| PubMed: | View item in PubMed |
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