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TitleStructures of immature flavivirus particles.
Journal, issue, pagesEMBO J, Vol. 22, Issue 11, Page 2604-2613, Year 2003
Publish dateJun 2, 2003
AuthorsYing Zhang / Jeroen Corver / Paul R Chipman / Wei Zhang / Sergei V Pletnev / Dagmar Sedlak / Timothy S Baker / James H Strauss / Richard J Kuhn / Michael G Rossmann /
PubMed AbstractStructures of prM-containing dengue and yellow fever virus particles were determined to 16 and 25 A resolution, respectively, by cryoelectron microscopy and image reconstruction techniques. The ...Structures of prM-containing dengue and yellow fever virus particles were determined to 16 and 25 A resolution, respectively, by cryoelectron microscopy and image reconstruction techniques. The closely similar structures show 60 icosahedrally organized trimeric spikes on the particle surface. Each spike consists of three prM:E heterodimers, where E is an envelope glycoprotein and prM is the precursor to the membrane protein M. The pre-peptide components of the prM proteins in each spike cover the fusion peptides at the distal ends of the E glycoproteins in a manner similar to the organization of the glycoproteins in the alphavirus spikes. Each heterodimer is associated with an E and a prM transmembrane density. These transmembrane densities represent either an EE or prMprM antiparallel coiled coil by which each protein spans the membrane twice, leaving the C-terminus of each protein on the exterior of the viral membrane, consistent with the predicted membrane-spanning domains of the unprocessed polyprotein.
External linksEMBO J / PubMed:12773377 / PubMed Central
MethodsEM (single particle)
Resolution16 Å
Structure data

PDB-1n6g:
The structure of immature Dengue-2 prM particles
Method: ELECTRON MICROSCOPY / Resolution: 16.0 Å

PDB-1na4:
The structure of immature Yellow Fever virus particle
Method: ELECTRON MICROSCOPY

Source
  • dengue virus 2 puerto rico/pr159-s1/1969
  • yellow fever virus
KeywordsVIRUS / FLAVIVIRUS / FLAVIVIRIDAE / DENGUE immature VIRUS / prM particle / Icosahedral virus / yellow fever immature virus

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