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- EMDB-4986: Influenza A virus (A/NT/60/1968) polymerase Heterotrimer bound to... -
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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-4986 | ||||||||||||
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Title | Influenza A virus (A/NT/60/1968) polymerase Heterotrimer bound to 3'5' vRNA promoter and capped RNA primer | ||||||||||||
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![]() | Influenza A / RNA polymerase / Influenza polymerase / Influenza dimer / RDRP / RNA BINDING PROTEIN | ||||||||||||
Function / homology | ![]() cap snatching / viral transcription / symbiont-mediated suppression of host mRNA transcription via inhibition of RNA polymerase II activity / 7-methylguanosine mRNA capping / host cell mitochondrion / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity / virion component / endonuclease activity / Hydrolases; Acting on ester bonds / host cell cytoplasm ...cap snatching / viral transcription / symbiont-mediated suppression of host mRNA transcription via inhibition of RNA polymerase II activity / 7-methylguanosine mRNA capping / host cell mitochondrion / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity / virion component / endonuclease activity / Hydrolases; Acting on ester bonds / host cell cytoplasm / symbiont-mediated suppression of host gene expression / viral translational frameshifting / RNA-directed RNA polymerase / viral RNA genome replication / nucleotide binding / RNA-directed RNA polymerase activity / DNA-templated transcription / host cell nucleus / RNA binding / metal ion binding Similarity search - Function | ||||||||||||
Biological species | ![]() ![]() ![]() ![]() | ||||||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.01 Å | ||||||||||||
![]() | Carrique L / Keown JR | ||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Structures of influenza A virus RNA polymerase offer insight into viral genome replication. Authors: Fan H / Walker AP / Carrique L / Keown JR / Serna Martin I / Karia D / Sharps J / Hengrung N / Pardon E / Steyaert J / Grimes JM / Fodor E | ||||||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
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Downloads & links
-EMDB archive
Map data | ![]() | 36.6 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 24.9 KB 24.9 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 8.9 KB | Display | ![]() |
Images | ![]() | 195.4 KB | ||
Filedesc metadata | ![]() | 8.6 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 456.2 KB | Display | ![]() |
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Full document | ![]() | 455.8 KB | Display | |
Data in XML | ![]() | 10.6 KB | Display | |
Data in CIF | ![]() | 14 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6rr7MC ![]() 4660C ![]() 4661C ![]() 4663C ![]() 4664C ![]() 4666C ![]() 6qnwC ![]() 6qpfC ![]() 6qpgC ![]() 6qwlC ![]() 6qx3C ![]() 6qx8C ![]() 6qxeC C: citing same article ( M: atomic model generated by this map |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Map
File | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Annotation | None | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.085 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
+Entire : Influenza A virus (A/NT/60/1968) polymerase Heterotrimer bound to...
+Supramolecule #1: Influenza A virus (A/NT/60/1968) polymerase Heterotrimer bound to...
+Supramolecule #2: polymerase Heterotrimer
+Supramolecule #3: Capped messenger RNA
+Supramolecule #4: Influenza A 5' and 3' viral RNA promoter
+Macromolecule #1: Polymerase acidic protein
+Macromolecule #2: RNA-directed RNA polymerase catalytic subunit
+Macromolecule #3: Polymerase basic protein 2
+Macromolecule #4: RNA (5'-D(*(M7G))-R(P*AP*AP*UP*CP*U)-3')
+Macromolecule #5: RNA (5'-R(P*GP*CP*CP*UP*GP*CP*UP*UP*UP*UP*G)-3')
+Macromolecule #6: RNA (5'-R(P*AP*GP*UP*AP*GP*AP*AP*AP*CP*AP*AP*GP*GP*C)-3')
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 0.35 mg/mL | |||||||||
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Buffer | pH: 7.5 / Component:
Details: Sample was purified in 20 mM HEPES, pH 7.5, 150 mM NaCl with Tween 20 added to a final concentration 0f 0.005% prior to plunging grids. | |||||||||
Grid | Model: Quantifoil R2/1 / Material: GOLD / Mesh: 200 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 120 sec. | |||||||||
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 298 K / Instrument: FEI VITROBOT MARK IV / Details: blot for 3.5 sec before plunging. |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Specialist optics | Phase plate: VOLTA PHASE PLATE |
Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Detector mode: COUNTING / Number grids imaged: 1 / Number real images: 6203 / Average exposure time: 2.0 sec. / Average electron dose: 36.6 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Calibrated defocus max: 0.7000000000000001 µm / Calibrated defocus min: 0.5 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal magnification: 130000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |