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Yorodumi- PDB-7eh1: Thermus thermophilus transcription initiation complex containing ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 7eh1 | ||||||
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Title | Thermus thermophilus transcription initiation complex containing a template-strand purine at position TSS-2, GpG RNA primer, and CMPcPP | ||||||
Components |
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Keywords | TRANSCRIPTION/DNA/RNA / Thermus thermophilus / RNA polymerase / transcription initiation / GpG / CMPcPP / TRANSCRIPTION-DNA-RNA complex | ||||||
Function / homology | Function and homology information sigma factor activity / DNA-directed RNA polymerase complex / DNA-templated transcription initiation / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / protein dimerization activity / DNA-templated transcription / magnesium ion binding / DNA binding ...sigma factor activity / DNA-directed RNA polymerase complex / DNA-templated transcription initiation / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / protein dimerization activity / DNA-templated transcription / magnesium ion binding / DNA binding / zinc ion binding / metal ion binding / cytoplasm Similarity search - Function | ||||||
Biological species | Thermus thermophilus HB8 (bacteria) synthetic construct (others) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.9 Å | ||||||
Authors | Li, L. / Zhang, Y. | ||||||
Funding support | China, 1items
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Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2021 Title: Promoter-sequence determinants and structural basis of primer-dependent transcription initiation in Escherichia coli . Authors: Skalenko, K.S. / Li, L. / Zhang, Y. / Vvedenskaya, I.O. / Winkelman, J.T. / Cope, A.L. / Taylor, D.M. / Shah, P. / Ebright, R.H. / Kinney, J.B. / Zhang, Y. / Nickels, B.E. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7eh1.cif.gz | 733.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7eh1.ent.gz | 580.8 KB | Display | PDB format |
PDBx/mmJSON format | 7eh1.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/eh/7eh1 ftp://data.pdbj.org/pub/pdb/validation_reports/eh/7eh1 | HTTPS FTP |
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-Related structure data
Related structure data | 7eh0C 7eh2C 4g7hS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-DNA-directed RNA polymerase subunit ... , 4 types, 5 molecules ABCDE
#1: Protein | Mass: 35056.164 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Thermus thermophilus HB8 (bacteria) / Strain: HB8 / References: UniProt: Q5SHR6, DNA-directed RNA polymerase #2: Protein | | Mass: 125436.539 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Thermus thermophilus HB8 (bacteria) / Strain: HB8 / References: UniProt: Q8RQE9, DNA-directed RNA polymerase #3: Protein | | Mass: 170997.391 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Thermus thermophilus HB8 (bacteria) / Strain: HB8 / References: UniProt: Q8RQE8, DNA-directed RNA polymerase #4: Protein | | Mass: 11533.316 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Thermus thermophilus HB8 (bacteria) / Strain: HB8 / References: UniProt: Q8RQE7, DNA-directed RNA polymerase |
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-DNA chain , 2 types, 2 molecules GH
#6: DNA chain | Mass: 8421.432 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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#7: DNA chain | Mass: 5790.750 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
-Protein / RNA chain , 2 types, 2 molecules FI
#5: Protein | Mass: 50769.398 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Thermus thermophilus HB8 (bacteria) / Strain: HB8 / Gene: sigA, TTHA0532 / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: Q5SKW1 |
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#8: RNA chain | Mass: 645.454 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
-Non-polymers , 5 types, 100 molecules
#9: Chemical | ChemComp-MG / #10: Chemical | #11: Chemical | #12: Chemical | ChemComp-2TM / | #13: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | N |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 3.13 Å3/Da / Density % sol: 60.7 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, hanging drop Details: 0.05 M Magnesium chloride, 0.2 M Potassium chloride, 0.1 M Tris-HCl pH 8, 10% PEG 4000 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: SYNCHROTRON / Site: SSRF / Beamline: BL17U1 / Wavelength: 0.97918 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Oct 11, 2019 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.97918 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 2.898→50 Å / Num. obs: 116173 / % possible obs: 96.6 % / Redundancy: 3.5 % / Rmerge(I) obs: 0.071 / Rpim(I) all: 0.041 / Rrim(I) all: 0.082 / Χ2: 0.917 / Net I/σ(I): 8.3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 4G7H Resolution: 2.9→25.265 Å / SU ML: 0.33 / Cross valid method: THROUGHOUT / σ(F): 1.49 / Phase error: 26.41 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 162.85 Å2 / Biso mean: 48.7705 Å2 / Biso min: 3.99 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 2.9→25.265 Å
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0
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