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Yorodumi- PDB-2a68: Crystal structure of the T. thermophilus RNA polymerase holoenzym... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 2a68 | ||||||
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| Title | Crystal structure of the T. thermophilus RNA polymerase holoenzyme in complex with antibiotic rifabutin | ||||||
Components |
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Keywords | TRANSFERASE / RNA POLYMERASE HOLOENZYME / RIFABUTIN / ANTIBIOTIC / TRANSCRIPTION REGULATION / RIKEN Structural Genomics/Proteomics Initiative / RSGI / Structural Genomics | ||||||
| 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) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å | ||||||
Authors | Artsimovitch, I. / Vassylyeva, M.N. / Svetlov, D. / Svetlov, V. / Perederina, A. / Igarashi, N. / Matsugaki, N. / Wakatsuki, S. / Tahirov, T.H. / Vassylyev, D.G. / RIKEN Structural Genomics/Proteomics Initiative (RSGI) | ||||||
Citation | Journal: Cell(Cambridge,Mass.) / Year: 2005Title: Allosteric modulation of the RNA polymerase catalytic reaction is an essential component of transcription control by rifamycins. Authors: Artsimovitch, I. / Vassylyeva, M.N. / Svetlov, D. / Svetlov, V. / Perederina, A. / Igarashi, N. / Matsugaki, N. / Wakatsuki, S. / Tahirov, T.H. / Vassylyev, D.G. | ||||||
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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 | 2a68.cif.gz | 1.5 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb2a68.ent.gz | 1.2 MB | Display | PDB format |
| PDBx/mmJSON format | 2a68.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 2a68_validation.pdf.gz | 1.6 MB | Display | wwPDB validaton report |
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| Full document | 2a68_full_validation.pdf.gz | 2.3 MB | Display | |
| Data in XML | 2a68_validation.xml.gz | 397.3 KB | Display | |
| Data in CIF | 2a68_validation.cif.gz | 577.7 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/a6/2a68 ftp://data.pdbj.org/pub/pdb/validation_reports/a6/2a68 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 2a69C ![]() 2a6eC ![]() 1iw7S S: Starting model for refinement C: citing same article ( |
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| Similar structure data | |
| Other databases |
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Links
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Assembly
| Deposited unit | ![]()
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| 2 | ![]()
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| Unit cell |
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Components
-DNA-directed RNA polymerase ... , 3 types, 8 molecules ABKLCMDN
| #1: Protein | Mass: 35056.164 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) ![]() Thermus thermophilus (bacteria)References: UniProt: Q9Z9H6, UniProt: Q5SHR6*PLUS, 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 (bacteria) / 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 (bacteria) / References: UniProt: Q8RQE8, DNA-directed RNA polymerase |
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-RNA polymerase ... , 2 types, 4 molecules EOFP
| #4: Protein | Mass: 11521.221 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() Thermus thermophilus (bacteria)References: GenBank: 20160394, UniProt: Q8RQE7*PLUS, DNA-directed RNA polymerase #5: Protein | Mass: 48568.008 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() Thermus thermophilus (bacteria) / References: GenBank: 46198472, UniProt: Q5SKW1*PLUS |
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-Non-polymers , 4 types, 7413 molecules 






| #6: Chemical | ChemComp-MG / #7: Chemical | #8: Chemical | ChemComp-ZN / #9: Water | ChemComp-HOH / | |
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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: 5.2 Å3/Da / Density % sol: 75.2 % |
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| Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6.5 Details: MG FORMATE, PEG400, SPERMIDINE, TRIS HCL, pH 6.50, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
-Data collection
| Diffraction | Mean temperature: 100 K | |||||||||
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| Diffraction source | Source: SYNCHROTRON / Site: Photon Factory / Beamline: BL-5A / Wavelength: 1 / Wavelength: 1 Å | |||||||||
| Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Sep 14, 2004 | |||||||||
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||
| Radiation wavelength |
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| Reflection | Resolution: 2.5→25 Å / Num. all: 560482 / Num. obs: 511160 / % possible obs: 91.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.8 % / Rmerge(I) obs: 0.074 | |||||||||
| Reflection shell | Resolution: 2.5→2.59 Å / Redundancy: 2 % / Rmerge(I) obs: 0.438 / Mean I/σ(I) obs: 2.3 / % possible all: 78.8 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: PDB ENTRY 1IW7 Resolution: 2.5→25 Å / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: THIS IS A TWINNED STRUCTURE. THE TWINNING OPERATOR IS (H,K,L) -> (-H,-K,L) AND THE TWINNING FRACTION IS 0.5. THE R-FACTOR IS 0.225 AND THE R-FREE IS 0.257 WHEN THIS TWINNING OPERATOR IS USED.
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| Displacement parameters | Biso mean: 68.1 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.5→25 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2.5→2.59 Å
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Thermus thermophilus (bacteria)
X-RAY DIFFRACTION
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