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- PDB-9cwo: Cryo EM structure of Nipah virus L-P polymerase complex -

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Basic information

Entry
Database: PDB / ID: 9cwo
TitleCryo EM structure of Nipah virus L-P polymerase complex
Components
  • Phosphoprotein
  • RNA-directed RNA polymerase L
KeywordsVIRAL PROTEIN / Nipah / virus / RNA polymerase.
Function / homology
Function and homology information


GDP polyribonucleotidyltransferase / Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides / Transferases; Transferring one-carbon groups; Methyltransferases / virion component / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / host cell cytoplasm / hydrolase activity / RNA-directed RNA polymerase / RNA-directed RNA polymerase activity / ATP binding
Similarity search - Function
Phosphoprotein P region PNT disordered / Phosphoprotein P region PNT disordered / Paramyxovirus structural protein P/V, N-terminal domain / Paramyxovirus structural protein V/P N-terminus / Phosphoprotein P soyouz module / N-terminal region of Paramyxovirinae phosphoprotein (P) / RNA-directed RNA polymerase, paramyxovirus / P/V phosphoprotein, paramyxoviral / Paramyxovirus P/V phosphoprotein C-terminal / Mononegavirales RNA-directed RNA polymerase catalytic domain ...Phosphoprotein P region PNT disordered / Phosphoprotein P region PNT disordered / Paramyxovirus structural protein P/V, N-terminal domain / Paramyxovirus structural protein V/P N-terminus / Phosphoprotein P soyouz module / N-terminal region of Paramyxovirinae phosphoprotein (P) / RNA-directed RNA polymerase, paramyxovirus / P/V phosphoprotein, paramyxoviral / Paramyxovirus P/V phosphoprotein C-terminal / Mononegavirales RNA-directed RNA polymerase catalytic domain / Mononegavirus L protein 2-O-ribose methyltransferase / Mononegavirales mRNA-capping domain V / RNA-directed RNA polymerase L, C-terminal / Mononegavirales RNA dependent RNA polymerase / Mononegavirales mRNA-capping region V / RdRp of negative ssRNA viruses with non-segmented genomes catalytic domain profile. / Mononegavirus L protein 2'-O-ribose methyltransferase domain profile. / Ribosomal RNA methyltransferase, FtsJ domain / FtsJ-like methyltransferase
Similarity search - Domain/homology
RNA-directed RNA polymerase L / Phosphoprotein
Similarity search - Component
Biological speciesHenipavirus nipahense
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.43 Å
AuthorsDeniston, C. / Buffalo, C. / Rohaim, A.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)U19AI171413 United States
CitationJournal: To Be Published
Title: Cryo EM structure of Nipah virus L-P polymerase complex
Authors: Deniston, C. / Buffalo, C. / Rohaim, A.
History
DepositionJul 29, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 30, 2025Provider: repository / Type: Initial release
Revision 1.0Jul 30, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jul 30, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Jul 30, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 30, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 30, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jul 30, 2025Data content type: Mask / Part number: 1 / Data content type: Mask / Provider: repository / Type: Initial release
Revision 1.0Jul 30, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: RNA-directed RNA polymerase L
F: Phosphoprotein
C: Phosphoprotein
G: Phosphoprotein
E: Phosphoprotein


Theoretical massNumber of molelcules
Total (without water)501,7345
Polymers501,7345
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, One monomer of L protein is associated with a tetramer of P protein
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein RNA-directed RNA polymerase L / Protein L / Large structural protein / Replicase / Transcriptase


Mass: 185001.125 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Henipavirus nipahense / Production host: Baculovirus expression vector pFastBac1-HM
References: UniProt: Q4VCP4, RNA-directed RNA polymerase, Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides, GDP polyribonucleotidyltransferase, Transferases; Transferring ...References: UniProt: Q4VCP4, RNA-directed RNA polymerase, Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides, GDP polyribonucleotidyltransferase, Transferases; Transferring one-carbon groups; Methyltransferases
#2: Protein
Phosphoprotein


Mass: 79183.242 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Henipavirus nipahense / Gene: P/V/W/C / Production host: Baculovirus expression vector pFastBac1-HM / References: UniProt: Q4VCQ1
Has ligand of interestN
Has protein modificationY

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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: L-P polymerase complex / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Henipavirus nipahense
Source (recombinant)Organism: Baculovirus expression vector pFastBac1-HM
Buffer solutionpH: 7.5
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: 3000 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 1.2 e/Å2 / Film or detector model: FEI FALCON III (4k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.21.1_5286: / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.43 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 335177 / Symmetry type: POINT
RefinementHighest resolution: 3.43 Å
Stereochemistry target values: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS)
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00312941
ELECTRON MICROSCOPYf_angle_d0.517583
ELECTRON MICROSCOPYf_dihedral_angle_d4.1681797
ELECTRON MICROSCOPYf_chiral_restr0.0382106
ELECTRON MICROSCOPYf_plane_restr0.0042235

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