+Open data
-Basic information
Entry | Database: PDB / ID: 1s77 | ||||||
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Title | T7 RNAP product pyrophosphate elongation complex | ||||||
Components |
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Keywords | TRANSFERASE / T7 RNA polymerase | ||||||
Function / homology | Function and homology information DNA-templated viral transcription / DNA-directed RNA polymerase complex / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / DNA-templated transcription / DNA binding Similarity search - Function | ||||||
Biological species | Enterobacteria phage T7 (virus) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.69 Å | ||||||
Authors | Yin, Y.W. / Steitz, T.A. | ||||||
Citation | Journal: Cell(Cambridge,Mass.) / Year: 2004 Title: The structural mechanism of translocation and helicase activity in T7 RNA polymerase. Authors: Yin, Y.W. / Steitz, T.A. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1s77.cif.gz | 204.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1s77.ent.gz | 156.6 KB | Display | PDB format |
PDBx/mmJSON format | 1s77.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1s77_validation.pdf.gz | 484.6 KB | Display | wwPDB validaton report |
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Full document | 1s77_full_validation.pdf.gz | 550.4 KB | Display | |
Data in XML | 1s77_validation.xml.gz | 39.3 KB | Display | |
Data in CIF | 1s77_validation.cif.gz | 53.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/s7/1s77 ftp://data.pdbj.org/pub/pdb/validation_reports/s7/1s77 | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-DNA chain , 2 types, 2 molecules TN
#1: DNA chain | Mass: 6422.119 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: DNA OLIGOMER IS SYNTHESIZED |
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#2: DNA chain | Mass: 5194.358 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: DNA OLIGOMER IS SYNTHESIZED |
-RNA chain / Protein , 2 types, 2 molecules RD
#3: RNA chain | Mass: 3207.030 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: RNA OLIGOMER IS SYNTHESIZED |
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#4: Protein | Mass: 98984.227 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Enterobacteria phage T7 (virus) / Genus: T7-like viruses / Gene: 1 / Production host: Escherichia coli (E. coli) / References: UniProt: P00573, DNA-directed RNA polymerase |
-Non-polymers , 3 types, 4 molecules
#5: Chemical | #6: Chemical | ChemComp-POP / | #7: 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: 3.06 Å3/Da / Density % sol: 59.52 % | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.2 Details: T7RNAP, DNA,RNA, 3'deoxyATP, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 298K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 21 ℃ / pH: 7.5 / Method: vapor diffusion | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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: CHESS / Beamline: A1 / Wavelength: 1.05 Å |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: May 1, 2001 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.05 Å / Relative weight: 1 |
Reflection | Resolution: 2.69→50 Å / Num. all: 35620 / Num. obs: 35620 / Observed criterion σ(F): 1.44 / Observed criterion σ(I): 2 / Biso Wilson estimate: 24.4 Å2 |
Reflection shell | Resolution: 2.69→2.75 Å / % possible all: 0.992 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: T7 RNAP elongation post-translocated complex Resolution: 2.69→30 Å / Rfactor Rfree error: 0.012 / Data cutoff high absF: 4598334.23 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 Details: Residues D Gly194 is linked to D Ala200 even when the residues 195-199 are missing from the coordinates.
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 32.6313 Å2 / ksol: 0.299966 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 69.1 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.69→30 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.69→2.75 Å / Rfactor Rfree error: 0.059 / Total num. of bins used: 6
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Xplor file |
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Refinement | *PLUS Rfactor Rwork: 0.25 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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