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Open data
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Basic information
| Entry | Database: PDB / ID: 1l9u | ||||||
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| Title | THERMUS AQUATICUS RNA POLYMERASE HOLOENZYME AT 4 A RESOLUTION | ||||||
Components |
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Keywords | TRANSCRIPTION / helix-turn-helix / coiled-coil | ||||||
| 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 / cytoplasm Similarity search - Function | ||||||
| Biological species | ![]() Thermus aquaticus (bacteria) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / Resolution: 4 Å | ||||||
Authors | Murakami, K.S. / Masuda, S. / Darst, S.A. | ||||||
Citation | Journal: Science / Year: 2002Title: Structural basis of transcription initiation: RNA polymerase holoenzyme at 4 A resolution. Authors: Murakami, K.S. / Masuda, S. / Darst, S.A. | ||||||
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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 | 1l9u.cif.gz | 748.1 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1l9u.ent.gz | 328.2 KB | Display | PDB format |
| PDBx/mmJSON format | 1l9u.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1l9u_validation.pdf.gz | 473.5 KB | Display | wwPDB validaton report |
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| Full document | 1l9u_full_validation.pdf.gz | 643 KB | Display | |
| Data in XML | 1l9u_validation.xml.gz | 101.5 KB | Display | |
| Data in CIF | 1l9u_validation.cif.gz | 164.6 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/l9/1l9u ftp://data.pdbj.org/pub/pdb/validation_reports/l9/1l9u | HTTPS FTP |
-Related structure data
| 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
-RNA POLYMERASE, ... , 4 types, 10 molecules ABJKCLDMEN
| #1: Protein | Mass: 34830.895 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) ![]() Thermus aquaticus (bacteria) / References: UniProt: Q9KWU8, DNA-directed RNA polymerase#2: Protein | Mass: 124800.898 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() Thermus aquaticus (bacteria) / References: UniProt: Q9KWU7, DNA-directed RNA polymerase#3: Protein | Mass: 171187.516 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() Thermus aquaticus (bacteria) / References: UniProt: Q9KWU6, DNA-directed RNA polymerase#4: Protein | Mass: 11642.423 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() Thermus aquaticus (bacteria) / References: UniProt: Q9EVV4, DNA-directed RNA polymerase |
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-Protein , 1 types, 2 molecules HQ
| #5: Protein | Mass: 38186.723 Da / Num. of mol.: 2 / Fragment: RESIDUES 92-438 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Thermus aquaticus (bacteria) / Gene: RPOD / Species (production host): Escherichia coli / Production host: ![]() |
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-Non-polymers , 2 types, 6 molecules 


| #6: Chemical | | #7: Chemical | ChemComp-ZN / |
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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: 3.92 Å3/Da / Density % sol: 68.66 % | ||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8 Details: HEPES, sodium formate, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 298K | ||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Temperature: 22 ℃ / pH: 8 | ||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 1.0332 Å |
| Detector | Type: CUSTOM-MADE / Detector: CCD / Date: Jun 6, 2001 |
| Radiation | Monochromator: Si 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.0332 Å / Relative weight: 1 |
| Reflection | Resolution: 4→50 Å / Num. all: 107237 / Num. obs: 85682 / % possible obs: 79.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 1.9 % / Rmerge(I) obs: 0.158 / Net I/σ(I): 5.4 |
| Reflection shell | Resolution: 4→4.14 Å / Redundancy: 1.7 % / Rmerge(I) obs: 0.357 / Mean I/σ(I) obs: 1.8 / Rsym value: 0.357 / % possible all: 70.1 |
| Reflection | *PLUS Highest resolution: 4 Å / Lowest resolution: 50 Å / Num. measured all: 107237 / Rmerge(I) obs: 0.158 |
| Reflection shell | *PLUS % possible obs: 70.1 % / Rmerge(I) obs: 0.357 |
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Processing
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| Refinement | Highest resolution: 4 Å / Details: the coordinates contain only a CA trace. | ||||||||||||
| Refinement step | Cycle: LAST / Highest resolution: 4 Å
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| Refinement | *PLUS Lowest resolution: 50 Å / Rfactor obs: 0.345 / Rfactor Rfree: 0.397 / Rfactor Rwork: 0.345 | ||||||||||||
| Solvent computation | *PLUS | ||||||||||||
| Displacement parameters | *PLUS |
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Thermus aquaticus (bacteria)
X-RAY DIFFRACTION
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