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- PDB-8oou: Double-ring nucleocapsid of the Respiratory Syncytial Virus -

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Basic information

Entry
Database: PDB / ID: 8oou
TitleDouble-ring nucleocapsid of the Respiratory Syncytial Virus
Components
  • Nucleoprotein
  • RNA (70-mer)
KeywordsVIRAL PROTEIN / D10-symmetry / N-RNA / nucleoprotein / RSV
Function / homology
Function and homology information


Respiratory syncytial virus genome transcription / symbiont-mediated suppression of host PKR/eIFalpha signaling / Translation of respiratory syncytial virus mRNAs / protein serine/threonine kinase inhibitor activity / helical viral capsid / RSV-host interactions / Respiratory syncytial virus genome replication / Maturation of hRSV A proteins / Assembly and release of respiratory syncytial virus (RSV) virions / Respiratory syncytial virus (RSV) attachment and entry ...Respiratory syncytial virus genome transcription / symbiont-mediated suppression of host PKR/eIFalpha signaling / Translation of respiratory syncytial virus mRNAs / protein serine/threonine kinase inhibitor activity / helical viral capsid / RSV-host interactions / Respiratory syncytial virus genome replication / Maturation of hRSV A proteins / Assembly and release of respiratory syncytial virus (RSV) virions / Respiratory syncytial virus (RSV) attachment and entry / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MDA-5 activity / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity / PKR-mediated signaling / Evasion by RSV of host interferon responses / viral capsid / viral nucleocapsid / symbiont-mediated suppression of host NF-kappaB cascade / host cell cytoplasm / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / ribonucleoprotein complex / : / RNA binding
Similarity search - Function
Pneumovirus nucleocapsid protein / Pneumovirus nucleocapsid protein
Similarity search - Domain/homology
RNA / RNA (> 10) / Nucleoprotein
Similarity search - Component
Biological speciesRespiratory syncytial virus
Trichoplusia ni (cabbage looper)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsGonnin, L. / Desfosses, A. / Gutsche, I.
Funding support France, 1items
OrganizationGrant numberCountry
Agence Nationale de la Recherche (ANR)ANR DecRisp ANR-19-CE11-0017-01 France
CitationJournal: Nat Commun / Year: 2023
Title: Structural landscape of the respiratory syncytial virus nucleocapsids.
Authors: Lorène Gonnin / Ambroise Desfosses / Maria Bacia-Verloop / Didier Chevret / Marie Galloux / Jean-François Éléouët / Irina Gutsche /
Abstract: Human Respiratory Syncytial Virus (HRSV) is a prevalent cause of severe respiratory infections in children and the elderly. The helical HRSV nucleocapsid is a template for the viral RNA synthesis and ...Human Respiratory Syncytial Virus (HRSV) is a prevalent cause of severe respiratory infections in children and the elderly. The helical HRSV nucleocapsid is a template for the viral RNA synthesis and a scaffold for the virion assembly. This cryo-electron microscopy analysis reveals the non-canonical arrangement of the HRSV nucleocapsid helix, composed of 16 nucleoproteins per asymmetric unit, and the resulting systematic variations in the RNA accessibility. We demonstrate that this unique helical symmetry originates from longitudinal interactions by the C-terminal arm of the HRSV nucleoprotein. We explore the polymorphism of the nucleocapsid-like assemblies, report five structures of the full-length particles and two alternative arrangements formed by a C-terminally truncated nucleoprotein mutant, and demonstrate the functional importance of the identified longitudinal interfaces. We put all these findings in the context of the HRSV RNA synthesis machinery and delineate the structural basis for its further investigation.
History
DepositionApr 6, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 27, 2023Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Nucleoprotein
U: RNA (70-mer)
B: Nucleoprotein
C: Nucleoprotein
D: Nucleoprotein
E: Nucleoprotein
F: Nucleoprotein
G: Nucleoprotein
H: Nucleoprotein
I: Nucleoprotein
J: Nucleoprotein
K: Nucleoprotein
e: RNA (70-mer)
L: Nucleoprotein
M: Nucleoprotein
N: Nucleoprotein
O: Nucleoprotein
P: Nucleoprotein
Q: Nucleoprotein
R: Nucleoprotein
S: Nucleoprotein
T: Nucleoprotein


Theoretical massNumber of molelcules
Total (without water)912,79322
Polymers912,79322
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein
Nucleoprotein / Protein N / Nucleocapsid protein


Mass: 43507.848 Da / Num. of mol.: 20
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Respiratory syncytial virus / Production host: Escherichia coli (E. coli) / References: UniProt: P03418
#2: RNA chain RNA (70-mer)


Mass: 21317.777 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Trichoplusia ni (cabbage looper)

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Double ring nucleocapsid of the human Respiratory Syncytial Virus
Type: COMPLEX
Details: Double ring nucleocapsid formed by the nucleoprotein N of the human RSV upon overexpression in insect cells and encapsidation of cellular RNA
Entity ID: #1 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Human respiratory syncytial virus A strain Long
Source (recombinant)Organism: Trichoplusia ni (cabbage looper) / Strain: High Five / Plasmid: pFastBac
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

MicroscopyModel: TFS GLACIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2400 nm / Nominal defocus min: 700 nm
Image recordingElectron dose: 42 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: D10 (2x10 fold dihedral)
3D reconstructionResolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 47212 / Symmetry type: POINT

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