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Open data
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Basic information
| Entry | Database: PDB / ID: 3k1f | ||||||
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| Title | Crystal structure of RNA Polymerase II in complex with TFIIB | ||||||
Components |
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Keywords | TRANSCRIPTION / RNA Polymerase II / TFIIB / Transcription Factor / Transcription Initiation / DNA-binding / DNA-directed RNA polymerase / Isopeptide bond / Magnesium / Metal-binding / Nucleotidyltransferase / Nucleus / Phosphoprotein / Transferase / Zinc-finger / DNA damage / DNA repair / mRNA processing / Initiation factor | ||||||
| Function / homology | Function and homology informationRNA polymerase II complex recruiting activity / transcription open complex formation at RNA polymerase II promoter / transcriptional start site selection at RNA polymerase II promoter / RPB4-RPB7 complex / nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / RNA Polymerase I Transcription Initiation / transcription preinitiation complex / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Pol II CTD phosphorylation and interaction with CE ...RNA polymerase II complex recruiting activity / transcription open complex formation at RNA polymerase II promoter / transcriptional start site selection at RNA polymerase II promoter / RPB4-RPB7 complex / nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / RNA Polymerase I Transcription Initiation / transcription preinitiation complex / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / mRNA Capping / RNA polymerase II transcribes snRNA genes / TP53 Regulates Transcription of DNA Repair Genes / termination of RNA polymerase II transcription / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Initiation And Promoter Clearance / RNA polymerase II general transcription initiation factor activity / termination of RNA polymerase III transcription / RNA Polymerase II Pre-transcription Events / RNA-templated transcription / Formation of TC-NER Pre-Incision Complex / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / RNA Polymerase I Promoter Escape / transcription initiation at RNA polymerase III promoter / termination of RNA polymerase I transcription / Gap-filling DNA repair synthesis and ligation in TC-NER / nucleolar large rRNA transcription by RNA polymerase I / transcription initiation at RNA polymerase I promoter / Estrogen-dependent gene expression / RNA polymerase II complex binding / maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II / transcription by RNA polymerase III / positive regulation of translational initiation / Dual incision in TC-NER / nuclear-transcribed mRNA catabolic process / RNA polymerase I complex / RNA polymerase III complex / transcription elongation by RNA polymerase I / translesion synthesis / RNA polymerase II preinitiation complex assembly / tRNA transcription by RNA polymerase III / RNA polymerase II, core complex / transcription by RNA polymerase I / transcription-coupled nucleotide-excision repair / translation initiation factor binding / translation initiation factor activity / TBP-class protein binding / transcription initiation at RNA polymerase II promoter / transcription elongation by RNA polymerase II / P-body / DNA-templated transcription initiation / mRNA transcription by RNA polymerase II / ribonucleoside binding / mRNA processing / DNA-directed RNA polymerase / cytoplasmic stress granule / DNA-directed RNA polymerase activity / peroxisome / single-stranded DNA binding / ribosome biogenesis / nucleic acid binding / transcription by RNA polymerase II / protein dimerization activity / single-stranded RNA binding / nucleotide binding / mRNA binding / nucleolus / mitochondrion / DNA binding / zinc ion binding / nucleoplasm / metal ion binding / nucleus / cytoplasm Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 4.3 Å | ||||||
Authors | Kostrewa, D. / Zeller, M.E. / Armache, K.-J. / Seizl, M. / Leike, K. / Thomm, M. / Cramer, P. | ||||||
Citation | Journal: Nature / Year: 2009Title: RNA polymerase II-TFIIB structure and mechanism of transcription initiation. Authors: Kostrewa, D. / Zeller, M.E. / Armache, K.J. / Seizl, M. / Leike, K. / Thomm, M. / Cramer, P. | ||||||
| History |
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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 | 3k1f.cif.gz | 1.6 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb3k1f.ent.gz | 1.3 MB | Display | PDB format |
| PDBx/mmJSON format | 3k1f.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/k1/3k1f ftp://data.pdbj.org/pub/pdb/validation_reports/k1/3k1f | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 3houS S: Starting model for refinement |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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Components
-DNA-directed RNA polymerase II subunit ... , 7 types, 7 molecules ABCDGIK
| #1: Protein | Mass: 191821.578 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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| #2: Protein | Mass: 138937.297 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #3: Protein | Mass: 35330.457 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #4: Protein | Mass: 25451.191 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #7: Protein | Mass: 19081.053 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #9: Protein | Mass: 14308.161 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #11: Protein | Mass: 13633.493 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-DNA-directed RNA polymerases I, II, and III subunit ... , 5 types, 5 molecules EFHJL
| #5: Protein | Mass: 25117.094 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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| #6: Protein | Mass: 17931.834 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #8: Protein | Mass: 16525.363 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #10: Protein | Mass: 8290.732 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #12: Protein | Mass: 7729.969 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-Protein / Non-polymers , 2 types, 10 molecules M

| #13: Protein | Mass: 18691.453 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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| #14: Chemical | ChemComp-ZN / |
-Details
| Sequence details | THE B-LINKER AND B-CYCLIN DOMAIN OF TFIIB (CHAIN M, RESIDUES 84-214) WERE FITTED AS POLY-ALANINE ...THE B-LINKER AND B-CYCLIN DOMAIN OF TFIIB (CHAIN M, RESIDUES 84-214) WERE FITTED AS POLY-ALANINE USING UNK RESIDUE NAMES DUE TO EXPERIMENT |
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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: 5.82 Å3/Da / Density % sol: 78.88 % |
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| Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: 800 mM sodium ammonium tartrate, 100 mM HEPES pH 7.5, 5 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID29 / Wavelength: 0.934 Å |
| Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Details: silicon crystal monochromator |
| Radiation | Monochromator: Silicon crystal monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.934 Å / Relative weight: 1 |
| Reflection | Resolution: 4.3→40 Å / Num. all: 83919 / Num. obs: 83919 / % possible obs: 99.3 % / Observed criterion σ(I): -3 / Redundancy: 4.7 % / Biso Wilson estimate: 57.5 Å2 / Rsym value: 0.13 / Net I/σ(I): 11.5 |
| Reflection shell | Resolution: 4.3→4.3 Å / Redundancy: 4.7 % / Mean I/σ(I) obs: 2 / Num. unique all: 6050 / Rsym value: 0.99 / % possible all: 98.2 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: First 12-subunit RNA Polymerase II from PDB entry 3HOU Resolution: 4.3→39.69 Å Isotropic thermal model: Overall anisotropic temperature factor, one TLS group for all atoms, one group isotropic temperature factor for each residue Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: REFINEMENT WAS DONE AGAINST THE STRUCTURE FACTORS WITH FRIEDEL PAIRS MERGED AND A SHARPENING B-FACTOR OF -80 A**2 APPLIED. THE STRUCTURE WAS REFINED WITH ONE TLS GROUP FOR ALL ATOMS AND ...Details: REFINEMENT WAS DONE AGAINST THE STRUCTURE FACTORS WITH FRIEDEL PAIRS MERGED AND A SHARPENING B-FACTOR OF -80 A**2 APPLIED. THE STRUCTURE WAS REFINED WITH ONE TLS GROUP FOR ALL ATOMS AND ISOTROPIC GROUP B-FACTORS FOR WHOLE RESIDUES. ADDITIONAL DISTANCE RESTRAINTS WERE APPLIED TO STABILIZE THE ZINC COORDINATION SPHERE AND SECONDARY STRUCTURAL ELEMENTS. THE BUSTER ELECTRON DENSITY MAP COEFFICIENTS ARE AVAILABLE UPON REQUEST FROM DIRK KOSTREWA.
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| Displacement parameters | Biso mean: 124.4 Å2
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| Refine analyze | Luzzati coordinate error obs: 1.13 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 4.3→39.69 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 4.3→4.41 Å / Total num. of bins used: 20
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| Refinement TLS params. | Method: refined / Origin x: 97.8862 Å / Origin y: 54.753 Å / Origin z: -2.3668 Å
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| Refinement TLS group |
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