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- PDB-8t12: Cryo-EM structure of DENV2 NS5 in complex with human STAT2 with t... -

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Basic information

Entry
Database: PDB / ID: 8t12
TitleCryo-EM structure of DENV2 NS5 in complex with human STAT2 with the N-terminal domain of STAT2 ordered.
Components
  • Non-structural protein 5
  • Signal transducer and activator of transcription 2
KeywordsIMMUNE SYSTEM/VIRAL PROTEIN / complex / IMMUNE SYSTEM-VIRAL PROTEIN complex
Function / homology
Function and homology information


ISGF3 complex / negative regulation of type I interferon-mediated signaling pathway / regulation of mitochondrial fission / Interleukin-20 family signaling / type I interferon-mediated signaling pathway / ubiquitin-like protein ligase binding / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of host TYK2 activity / cell surface receptor signaling pathway via JAK-STAT / host cell mitochondrion / Regulation of IFNA/IFNB signaling ...ISGF3 complex / negative regulation of type I interferon-mediated signaling pathway / regulation of mitochondrial fission / Interleukin-20 family signaling / type I interferon-mediated signaling pathway / ubiquitin-like protein ligase binding / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of host TYK2 activity / cell surface receptor signaling pathway via JAK-STAT / host cell mitochondrion / Regulation of IFNA/IFNB signaling / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity / ribonucleoside triphosphate phosphatase activity / regulation of protein phosphorylation / defense response / response to peptide hormone / RNA polymerase II transcription regulator complex / : / viral capsid / Interferon alpha/beta signaling / double-stranded RNA binding / protein complex oligomerization / monoatomic ion channel activity / regulation of cell population proliferation / clathrin-dependent endocytosis of virus by host cell / defense response to virus / mRNA (nucleoside-2'-O-)-methyltransferase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / Potential therapeutics for SARS / RNA helicase activity / host cell endoplasmic reticulum membrane / protein dimerization activity / DNA-binding transcription factor activity, RNA polymerase II-specific / induction by virus of host autophagy / RNA polymerase II cis-regulatory region sequence-specific DNA binding / DNA-binding transcription factor activity / viral RNA genome replication / RNA-dependent RNA polymerase activity / serine-type endopeptidase activity / fusion of virus membrane with host endosome membrane / viral envelope / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / chromatin / virion attachment to host cell / regulation of transcription by RNA polymerase II / SARS-CoV-2 activates/modulates innate and adaptive immune responses / virion membrane / structural molecule activity / positive regulation of transcription by RNA polymerase II / proteolysis / extracellular region / nucleoplasm / ATP binding / membrane / identical protein binding / metal ion binding / nucleus / plasma membrane / cytosol
Similarity search - Function
Signal transducer and activation of transcription 2, C-terminal / STAT2, SH2 domain / Signal transducer and activator of transcription 2 C terminal / : / Signal transducer and activator of transcription, linker domain / STAT transcription factor, DNA-binding, N-terminal / STAT transcription factor, protein interaction / STAT transcription factor, all-alpha domain / STAT transcription factor, DNA-binding / STAT protein, all-alpha domain ...Signal transducer and activation of transcription 2, C-terminal / STAT2, SH2 domain / Signal transducer and activator of transcription 2 C terminal / : / Signal transducer and activator of transcription, linker domain / STAT transcription factor, DNA-binding, N-terminal / STAT transcription factor, protein interaction / STAT transcription factor, all-alpha domain / STAT transcription factor, DNA-binding / STAT protein, all-alpha domain / STAT protein, DNA binding domain / STAT protein, protein interaction domain / STAT protein, protein interaction domain / STAT transcription factor, N-terminal domain superfamily / Transcription factor STAT / STAT transcription factor, coiled coil / : / p53-like transcription factor, DNA-binding / Flavivirus envelope glycoprotein E, stem/anchor domain / Flavivirus capsid protein C superfamily / RNA-directed RNA polymerase, thumb domain, Flavivirus / Flavivirus RNA-directed RNA polymerase, thumb domain / Flavivirus non-structural protein NS2B / : / Flavivirus NS3 helicase, C-terminal helical domain / Genome polyprotein, Flavivirus / Flavivirus non-structural protein NS4A / Flavivirus non-structural protein NS2B / Flavivirus capsid protein C / Flavivirus non-structural protein NS4B / mRNA cap 0/1 methyltransferase / Flavivirus capsid protein C / Flavivirus non-structural protein NS4B / Flavivirus non-structural protein NS4A / Flavivirus NS2B domain profile. / mRNA cap 0 and cap 1 methyltransferase (EC 2.1.1.56 and EC 2.1.1.57) domain profile. / Flavivirus non-structural protein NS2A / Flavivirus non-structural protein NS2A / Flavivirus NS3, petidase S7 / Peptidase S7, Flavivirus NS3 serine protease / Flavivirus NS3 protease (NS3pro) domain profile. / Envelope glycoprotein M, flavivirus / Flavivirus envelope glycoprotein M / RNA-directed RNA polymerase, flavivirus / Flavivirus RNA-directed RNA polymerase, fingers and palm domains / Flavivirus non-structural Protein NS1 / Flavivirus non-structural protein NS1 / Envelope glycoprotein M superfamily, flavivirus / Flavivirus polyprotein propeptide / Flavivirus polyprotein propeptide superfamily / Flavivirus polyprotein propeptide / Flaviviral glycoprotein E, central domain, subdomain 1 / Flaviviral glycoprotein E, central domain, subdomain 2 / Flavivirus envelope glycoprotein E, Stem/Anchor domain / Flavivirus glycoprotein E, immunoglobulin-like domain / Flavivirus envelope glycoprotein E, Stem/Anchor domain superfamily / Flavivirus glycoprotein, immunoglobulin-like domain / Flavivirus glycoprotein central and dimerisation domain / Flavivirus glycoprotein, central and dimerisation domains / Ribosomal RNA methyltransferase, FtsJ domain / FtsJ-like methyltransferase / Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily / Flavivirus glycoprotein, central and dimerisation domain superfamily / Flaviviral glycoprotein E, dimerisation domain / DEAD box, Flavivirus / Flavivirus DEAD domain / SH2 domain / Src homology 2 (SH2) domain profile. / Src homology 2 domains / SH2 domain / SH2 domain superfamily / helicase superfamily c-terminal domain / Immunoglobulin E-set / Superfamilies 1 and 2 helicase C-terminal domain profile. / Superfamilies 1 and 2 helicase ATP-binding type-1 domain profile. / DEAD-like helicases superfamily / Helicase, C-terminal / Helicase superfamily 1/2, ATP-binding domain / RNA-directed RNA polymerase, catalytic domain / RdRp of positive ssRNA viruses catalytic domain profile. / S-adenosyl-L-methionine-dependent methyltransferase superfamily / Peptidase S1, PA clan, chymotrypsin-like fold / Peptidase S1, PA clan / DNA/RNA polymerase superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Signal transducer and activator of transcription 2 / Genome polyprotein
Similarity search - Component
Biological speciesHomo sapiens (human)
Dengue virus type 2
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.34 Å
AuthorsBiswal, M. / Lu, J. / Song, J.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) United States
CitationJournal: To Be Published
Title: Cryo-EM structure of DENV2 NS5 in complex with human STAT2 with the N-terminal domain of STAT2 ordered.
Authors: Biswal, M. / Lu, J. / Song, J.
History
DepositionJun 1, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 17, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Signal transducer and activator of transcription 2
B: Non-structural protein 5
hetero molecules


Theoretical massNumber of molelcules
Total (without water)201,4214
Polymers201,2902
Non-polymers1312
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Signal transducer and activator of transcription 2 / p113


Mass: 98025.031 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: STAT2 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P52630
#2: Protein Non-structural protein 5


Mass: 103264.656 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Dengue virus type 2 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: Q91H74
#3: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY

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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: complex of DENV2 NS5 and huamn STAT2 / Type: COMPLEX / Entity ID: #1-#2 / Source: MULTIPLE SOURCES
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
21Homo sapiens (human)9606
31Dengue virus type 211060
Source (recombinant)Organism: Escherichia coli BL21(DE3) (bacteria)
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

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2000 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.34 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 99938 / Symmetry type: POINT

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