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Yorodumi- PDB-6kqd: Thermus thermophilus initial transcription complex comprising sig... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 6kqd | |||||||||
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| Title | Thermus thermophilus initial transcription complex comprising sigma A and 5'-OH RNA of 3 nt | |||||||||
Components |
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Keywords | TRANSCRIPTION / Thermus thermophilus / RNA polymerase / initiation transcription complex / 3nt RNA | |||||||||
| Function / homology | Function and homology informationsigma factor activity / DNA-directed RNA polymerase complex / DNA-templated transcription initiation / ribonucleoside binding / DNA-directed RNA polymerase / DNA-directed RNA polymerase activity / 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 RNA polymerase / DNA-directed RNA polymerase activity / 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 (bacteria)synthetic construct (others) | |||||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.3 Å | |||||||||
Authors | Zhang, Y. / Li, L. / Ebright, R.H. | |||||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2020Title: RNA extension drives a stepwise displacement of an initiation-factor structural module in initial transcription. Authors: Li, L. / Molodtsov, V. / Lin, W. / Ebright, R.H. / Zhang, Y. | |||||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 6kqd.cif.gz | 1.4 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb6kqd.ent.gz | 1.1 MB | Display | PDB format |
| PDBx/mmJSON format | 6kqd.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 6kqd_validation.pdf.gz | 1.2 MB | Display | wwPDB validaton report |
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| Full document | 6kqd_full_validation.pdf.gz | 1.3 MB | Display | |
| Data in XML | 6kqd_validation.xml.gz | 227.5 KB | Display | |
| Data in CIF | 6kqd_validation.cif.gz | 313.4 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/kq/6kqd ftp://data.pdbj.org/pub/pdb/validation_reports/kq/6kqd | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 6konC ![]() 6kooC ![]() 6kopC ![]() 6koqC ![]() 6kqeC ![]() 6kqfC ![]() 6kqgC ![]() 6kqhC ![]() 6kqlC ![]() 6kqmC ![]() 6kqnC ![]() 6l74C ![]() 6ltsC ![]() 6tyeC ![]() 6tyfC ![]() 6tygC ![]() 4g7hS S: Starting model for refinement C: citing same article ( |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| 1 | ![]()
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| 2 | ![]()
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Components
-DNA-directed RNA polymerase subunit ... , 4 types, 10 molecules ABKLCMDNEO
| #1: Protein | Mass: 35056.164 Da / Num. of mol.: 4 / Source method: isolated from a natural source Source: (natural) ![]() Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)Strain: HB8 / ATCC 27634 / DSM 579 / References: UniProt: Q5SHR6, DNA-directed RNA polymerase #2: Protein | Mass: 125436.539 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)Strain: HB8 / ATCC 27634 / DSM 579 / References: UniProt: Q8RQE9, DNA-directed RNA polymerase #3: Protein | Mass: 170997.391 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)Strain: HB8 / ATCC 27634 / DSM 579 / References: UniProt: Q8RQE8, DNA-directed RNA polymerase #4: Protein | Mass: 11533.316 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)Strain: HB8 / ATCC 27634 / DSM 579 / References: UniProt: Q8RQE7, DNA-directed RNA polymerase |
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-DNA chain , 2 types, 4 molecules GQHR
| #6: DNA chain | Mass: 6440.147 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) #7: DNA chain | Mass: 8421.432 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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-Protein / RNA chain , 2 types, 4 molecules FPIS
| #5: Protein | Mass: 50769.398 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)Strain: HB8 / ATCC 27634 / DSM 579 / Gene: sigA, TTHA0532 / Production host: ![]() #8: RNA chain | Mass: 974.660 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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-Non-polymers , 4 types, 120 molecules 






| #9: Chemical | ChemComp-MG / #10: Chemical | ChemComp-ZN / #11: Chemical | #12: 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: 3.19 Å3/Da / Density % sol: 61.46 % |
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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 8.0, 10% PEG 4000 |
-Data collection
| Diffraction | Mean temperature: 100 K / Serial crystal experiment: N | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Diffraction source | Source: SYNCHROTRON / Site: NSLS / Beamline: X25 / Wavelength: 1.075 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Detector | Type: DECTRIS PILATUS3 S 6M / Detector: PIXEL / Date: Oct 9, 2012 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Radiation wavelength | Wavelength: 1.075 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reflection | Resolution: 3.3→45 Å / Num. obs: 155222 / % possible obs: 91.6 % / Redundancy: 2.8 % / Rmerge(I) obs: 0.092 / Χ2: 1.006 / Net I/σ(I): 7.1 / Num. measured all: 433949 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reflection shell |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 4G7H Resolution: 3.3→44.351 Å / SU ML: 0.44 / Cross valid method: THROUGHOUT / σ(F): 1.35 / Phase error: 28.02
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| Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso max: 218.5 Å2 / Biso mean: 83.0623 Å2 / Biso min: 18.36 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: final / Resolution: 3.3→44.351 Å
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| LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0
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Thermus thermophilus (bacteria)
X-RAY DIFFRACTION
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