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- EMDB-44439: Cryo-EM structure of Thermococcus kodakarensis FttA-dependent tra... -
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Open data
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Basic information
Entry | ![]() | |||||||||
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Title | Cryo-EM structure of Thermococcus kodakarensis FttA-dependent transcription pre-termination complex containing 52 nt RNA | |||||||||
![]() | composite map | |||||||||
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![]() | RNA polymerase / pre-termination complex / FttA / archaea / TRANSCRIPTION | |||||||||
Function / homology | ![]() exonuclease activity / transcription elongation-coupled chromatin remodeling / transcription initiation at RNA polymerase III promoter / RNA polymerase II activity / translation elongation factor activity / DNA-directed RNA polymerase complex / RNA endonuclease activity / regulation of DNA-templated transcription elongation / DNA-templated transcription termination / ribonucleoside binding ...exonuclease activity / transcription elongation-coupled chromatin remodeling / transcription initiation at RNA polymerase III promoter / RNA polymerase II activity / translation elongation factor activity / DNA-directed RNA polymerase complex / RNA endonuclease activity / regulation of DNA-templated transcription elongation / DNA-templated transcription termination / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / chromosome / Hydrolases; Acting on ester bonds / protein dimerization activity / DNA-templated transcription / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / magnesium ion binding / DNA binding / RNA binding / zinc ion binding / metal ion binding / cytoplasm Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.2 Å | |||||||||
![]() | You L / Ebright RH | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural basis of archaeal FttA-dependent transcription termination Authors: You L / Ebright RH | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 168.5 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 30.3 KB 30.3 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 14.9 KB | Display | ![]() |
Images | ![]() | 157.9 KB | ||
Filedesc metadata | ![]() | 9.5 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 567.5 KB | Display | ![]() |
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Full document | ![]() | 567.1 KB | Display | |
Data in XML | ![]() | 14.8 KB | Display | |
Data in CIF | ![]() | 19.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 9bcuMC ![]() 9bctC C: citing same article ( M: atomic model generated by this map |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Annotation | composite map | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.73 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
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Sample components
+Entire : FttA-dependent transcription termination complex containing 52 nt RNA
+Supramolecule #1: FttA-dependent transcription termination complex containing 52 nt RNA
+Macromolecule #1: DNA-directed RNA polymerase subunit A'
+Macromolecule #2: DNA-directed RNA polymerase subunit B
+Macromolecule #3: DNA-directed RNA polymerase subunit A"
+Macromolecule #4: DNA-directed RNA polymerase subunit D
+Macromolecule #5: DNA-directed RNA polymerase subunit E
+Macromolecule #6: DNA-directed RNA polymerase subunit F
+Macromolecule #7: DNA-directed RNA polymerase subunit H
+Macromolecule #8: DNA-directed RNA polymerase subunit K
+Macromolecule #9: DNA-directed RNA polymerase subunit L
+Macromolecule #10: DNA-directed RNA polymerase subunit N
+Macromolecule #11: DNA-directed RNA polymerase subunit P
+Macromolecule #12: Transcription elongation factor Spt5
+Macromolecule #13: Transcription elongation factor Spt4
+Macromolecule #14: Transcription termination factor FttA
+Macromolecule #15: non-template strand DNA
+Macromolecule #16: template strand DNA
+Macromolecule #17: RNA (29-MER)
+Macromolecule #18: MAGNESIUM ION
+Macromolecule #19: ZINC ION
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 4.5 mg/mL |
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Buffer | pH: 7.5 |
Grid | Model: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: GOLD / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 300 sec. / Pretreatment - Atmosphere: AIR |
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 295 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Specialist optics | Energy filter - Slit width: 20 eV |
Image recording | Film or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 48.33 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.6 µm / Nominal magnification: 165000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |