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TitleStructural studies of Hantaan virus.
Journal, issue, pagesJ Virol, Vol. 85, Issue 2, Page 835-841, Year 2011
Publish dateNov 10, 2010
AuthorsAnthony J Battisti / Yong-Kyu Chu / Paul R Chipman / Bärbel Kaufmann / Colleen B Jonsson / Michael G Rossmann /
PubMed AbstractHantaan virus is the prototypic member of the Hantavirus genus within the family Bunyaviridae and is a causative agent of the potentially fatal hemorrhagic fever with renal syndrome. The Bunyaviridae ...Hantaan virus is the prototypic member of the Hantavirus genus within the family Bunyaviridae and is a causative agent of the potentially fatal hemorrhagic fever with renal syndrome. The Bunyaviridae are a family of negative-sense RNA viruses with three-part segmented genomes. Virions are enveloped and decorated with spikes derived from a pair of glycoproteins (Gn and Gc). Here, we present cryo-electron tomography and single-particle cryo-electron microscopy studies of Hantaan virus virions. We have determined the structure of the tetrameric Gn-Gc spike complex to a resolution of 2.5 nm and show that spikes are ordered in lattices on the virion surface. Large cytoplasmic extensions associated with each Gn-Gc spike also form a lattice on the inner surface of the viral membrane. Rod-shaped ribonucleoprotein complexes are arranged into nearly parallel pairs and triplets within virions. Our results differ from the T=12 icosahedral organization found for some bunyaviruses. However, a comparison of our results with the previous tomographic studies of the nonpathogenic Tula hantavirus indicates a common structural organization for hantaviruses.
External linksJ Virol / PubMed:21068243 / PubMed Central
MethodsEM (single particle)
Resolution25.0 Å
Structure data

EMDB-2056:
Electron cryo-microscopy of the Hantaan virus glycoprotein spike
Method: EM (single particle) / Resolution: 25.0 Å

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