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- PDB-6v85: Parainfluenza virus 5 L-P complex -

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Basic information

Entry
Database: PDB / ID: 6v85
TitleParainfluenza virus 5 L-P complex
Components
  • Phosphoprotein
  • RNA-directed RNA polymerase L
KeywordsVIRAL PROTEIN / POLYMERASE / METHYLTRANSFERASE / POLY-RIBONUCLEOTIDYLTRANSFERASE
Function / homology
Function and homology information


NNS virus cap methyltransferase / GDP polyribonucleotidyltransferase / Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides / virion component / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / host cell cytoplasm / RNA-directed RNA polymerase / RNA-dependent RNA polymerase activity / GTPase activity / ATP binding
Similarity search - Function
: / 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 ...: / 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.
Similarity search - Domain/homology
Phosphoprotein / RNA-directed RNA polymerase L
Similarity search - Component
Biological speciesParainfluenza virus 5
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.38 Å
AuthorsAbdella, R. / He, Y.
Funding support United States, 5items
OrganizationGrant numberCountry
Howard Hughes Medical Institute (HHMI) United States
American Cancer SocietyIRG-15-173-21 United States
National Institutes of Health/National Cancer Institute (NIH/NCI)P01-CA092584 United States
National Institutes of Health/National Cancer Institute (NIH/NCI)U54-CA193419 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)T32-GM008382 United States
CitationJournal: Proc Natl Acad Sci U S A / Year: 2020
Title: Structure of a paramyxovirus polymerase complex reveals a unique methyltransferase-CTD conformation.
Authors: Ryan Abdella / Megha Aggarwal / Takashi Okura / Robert A Lamb / Yuan He /
Abstract: Paramyxoviruses are enveloped, nonsegmented, negative-strand RNA viruses that cause a wide spectrum of human and animal diseases. The viral genome, packaged by the nucleoprotein (N), serves as a ...Paramyxoviruses are enveloped, nonsegmented, negative-strand RNA viruses that cause a wide spectrum of human and animal diseases. The viral genome, packaged by the nucleoprotein (N), serves as a template for the polymerase complex, composed of the large protein (L) and the homo-tetrameric phosphoprotein (P). The ∼250-kDa L possesses all enzymatic activities necessary for its function but requires P in vivo. Structural information is available for individual P domains from different paramyxoviruses, but how P interacts with L and how that affects the activity of L is largely unknown due to the lack of high-resolution structures of this complex in this viral family. In this study we determined the structure of the L-P complex from parainfluenza virus 5 (PIV5) at 4.3-Å resolution using cryoelectron microscopy, as well as the oligomerization domain (OD) of P at 1.4-Å resolution using X-ray crystallography. P-OD associates with the RNA-dependent RNA polymerase domain of L and protrudes away from it, while the X domain of one chain of P is bound near the L nucleotide entry site. The methyltransferase (MTase) domain and the C-terminal domain (CTD) of L adopt a unique conformation, positioning the MTase active site immediately above the poly-ribonucleotidyltransferase domain and near the likely exit site for the product RNA 5' end. Our study reveals a potential mechanism that mononegavirus polymerases may employ to switch between transcription and genome replication. This knowledge will assist in the design and development of antivirals against paramyxoviruses.
History
DepositionDec 10, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 19, 2020Provider: repository / Type: Initial release
Revision 1.1Mar 4, 2020Group: Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_PubMed / _citation_author.identifier_ORCID
Revision 1.2Mar 18, 2020Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Mar 6, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Assembly

Deposited unit
A: RNA-directed RNA polymerase L
F: Phosphoprotein
B: Phosphoprotein
C: Phosphoprotein
D: Phosphoprotein
E: Phosphoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)467,1028
Polymers466,9716
Non-polymers1312
Water00
1


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

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Components

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


Mass: 256195.672 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Parainfluenza virus 5 (strain W3) / Strain: W3 / Production host: Spodoptera frugiperda (fall armyworm)
References: UniProt: Q88434, RNA-directed RNA polymerase, mRNA (guanine-N7)-methyltransferase, GDP polyribonucleotidyltransferase, EC: 2.1.1.296
#2: Protein
Phosphoprotein / Protein P


Mass: 42155.152 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
Details: Chain F belongs to the same peptide as one of B, C, D or E, but the density is not well resolved enough to determine which chain it should associate with.
Source: (gene. exp.) Parainfluenza virus 5 (strain W3) / Strain: W3 / Gene: P/V / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P11208
#3: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
Has ligand of interestN

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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

Component
IDNameTypeEntity IDParent-IDSourceDetails
1L-P complexCOMPLEX#1-#20RECOMBINANT
2L proteinCOMPLEX#11RECOMBINANT
3P proteinCOMPLEX#21RECOMBINANThomo-tetramer
Molecular weight
IDEntity assembly-IDValue (°)Experimental value
110.42 MDaNO
210.26 MDaNO
310.17 MDaNO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
21Simian virus 5 (strain W3)11208
32Simian virus 5 (strain W3)11208
43Simian virus 5 (strain W3)11208
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-ID
21Spodoptera frugiperda (fall armyworm)7108
32Spodoptera frugiperda (fall armyworm)7108
43Spodoptera frugiperda (fall armyworm)7108
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: JEOL 3200FS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 80.8 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM software
IDNameVersionCategory
2Leginon3.4image acquisition
4Gctf0.5CTF correction
9RELION2initial Euler assignment
10RELION3.1final Euler assignment
11RELION2classification
12RELION3.13D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 717008
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 4.38 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 102493 / Symmetry type: POINT

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