+Open data
-Basic information
Entry | Database: PDB / ID: 5m5x | ||||||
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Title | RNA Polymerase I elongation complex 1 | ||||||
Components |
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Keywords | TRANSCRIPTION / RNA Polymerase I / elongation | ||||||
Function / homology | Function and homology information RNA polymerase I preinitiation complex assembly / RNA Polymerase I Transcription Initiation / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase III Transcription Initiation From Type 2 Promoter / regulation of cell size / 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 ...RNA polymerase I preinitiation complex assembly / RNA Polymerase I Transcription Initiation / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase III Transcription Initiation From Type 2 Promoter / regulation of cell size / 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 / 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 Pre-transcription Events / RNA-templated transcription / termination of RNA polymerase III transcription / Formation of TC-NER Pre-Incision Complex / transcription initiation at RNA polymerase III promoter / termination of RNA polymerase I transcription / RNA polymerase III activity / RNA Polymerase I Promoter Escape / nucleolar large rRNA transcription by RNA polymerase I / Gap-filling DNA repair synthesis and ligation in TC-NER / transcription by RNA polymerase I / transcription initiation at RNA polymerase I promoter / Estrogen-dependent gene expression / transcription by RNA polymerase III / Dual incision in TC-NER / transcription elongation by RNA polymerase I / tRNA transcription by RNA polymerase III / RNA polymerase I complex / RNA polymerase I activity / RNA polymerase III complex / RNA polymerase II, core complex / promoter-specific chromatin binding / transcription initiation at RNA polymerase II promoter / transcription elongation by RNA polymerase II / ribonucleoside binding / DNA-directed RNA polymerase / peroxisome / ribosome biogenesis / RNA polymerase II-specific DNA-binding transcription factor binding / transcription by RNA polymerase II / nucleic acid binding / protein dimerization activity / nucleolus / negative regulation of transcription by RNA polymerase II / DNA binding / zinc ion binding / nucleoplasm / nucleus / metal ion binding / cytoplasm Similarity search - Function | ||||||
Biological species | Saccharomyces cerevisiae (brewer's yeast) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4 Å | ||||||
Authors | Tafur, L. / Sadian, Y. / Hoffmann, N.A. / Jakobi, A.J. / Wetzel, R. / Hagen, W.J.H. / Sachse, C. / Muller, C.W. | ||||||
Funding support | Germany, 1items
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Citation | Journal: Mol Cell / Year: 2016 Title: Molecular Structures of Transcribing RNA Polymerase I. Authors: Lucas Tafur / Yashar Sadian / Niklas A Hoffmann / Arjen J Jakobi / Rene Wetzel / Wim J H Hagen / Carsten Sachse / Christoph W Müller / Abstract: RNA polymerase I (Pol I) is a 14-subunit enzyme that solely synthesizes pre-ribosomal RNA. Recently, the crystal structure of apo Pol I gave unprecedented insight into its molecular architecture. ...RNA polymerase I (Pol I) is a 14-subunit enzyme that solely synthesizes pre-ribosomal RNA. Recently, the crystal structure of apo Pol I gave unprecedented insight into its molecular architecture. Here, we present three cryo-EM structures of elongating Pol I, two at 4.0 Å and one at 4.6 Å resolution, and a Pol I open complex at 3.8 Å resolution. Two modules in Pol I mediate the narrowing of the DNA-binding cleft by closing the clamp domain. The DNA is bound by the clamp head and by the protrusion domain, allowing visualization of the upstream and downstream DNA duplexes in one of the elongation complexes. During formation of the Pol I elongation complex, the bridge helix progressively folds, while the A12.2 C-terminal domain is displaced from the active site. Our results reveal the conformational changes associated with elongation complex formation and provide additional insight into the Pol I transcription cycle. | ||||||
History |
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-Structure visualization
Movie |
Movie viewer |
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Structure viewer | Molecule: MolmilJmol/JSmol |
-Downloads & links
-Download
PDBx/mmCIF format | 5m5x.cif.gz | 884.2 KB | Display | PDBx/mmCIF format |
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PDB format | pdb5m5x.ent.gz | 691.3 KB | Display | PDB format |
PDBx/mmJSON format | 5m5x.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 5m5x_validation.pdf.gz | 975.2 KB | Display | wwPDB validaton report |
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Full document | 5m5x_full_validation.pdf.gz | 1 MB | Display | |
Data in XML | 5m5x_validation.xml.gz | 115 KB | Display | |
Data in CIF | 5m5x_validation.cif.gz | 173.9 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/m5/5m5x ftp://data.pdbj.org/pub/pdb/validation_reports/m5/5m5x | HTTPS FTP |
-Related structure data
Related structure data | 3447MC 3446C 3448C 3449C 5m5wC 5m5yC 5m64C M: map data used to model this data C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
-DNA-directed RNA polymerase I subunit ... , 7 types, 7 molecules ABDGIMN
#1: Protein | Mass: 186676.969 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P10964, DNA-directed RNA polymerase |
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#2: Protein | Mass: 135910.328 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P22138, DNA-directed RNA polymerase |
#4: Protein | Mass: 14599.128 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P50106 |
#7: Protein | Mass: 36264.852 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P46669 |
#9: Protein | Mass: 13676.566 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P32529 |
#13: Protein | Mass: 46721.707 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: Q01080 |
#14: Protein | Mass: 26933.518 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P47006 |
-DNA-directed RNA polymerases I and III subunit ... , 2 types, 2 molecules CK
#3: Protein | Mass: 37732.613 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P07703 |
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#11: Protein | Mass: 16167.860 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P28000 |
-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) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P20434 |
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#6: Protein | Mass: 17931.834 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P20435 |
#8: Protein | Mass: 16525.363 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P20436 |
#10: Protein | Mass: 8290.732 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P22139 |
#12: Protein | Mass: 7729.969 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P40422 |
-DNA chain , 2 types, 2 molecules ST
#16: DNA chain | Mass: 11756.600 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast) |
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#17: DNA chain | Mass: 11629.489 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast) |
-RNA chain / Non-polymers , 2 types, 7 molecules R
#15: RNA chain | Mass: 6414.902 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast) |
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#18: Chemical | ChemComp-ZN / |
-Details
Has protein modification | Y |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
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Molecular weight |
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Source (natural) |
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Buffer solution | pH: 7.5 | ||||||||||||||||||
Buffer component |
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Specimen | Conc.: 0.2 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||
Specimen support | Grid material: MOLYBDENUM / Grid mesh size: 400 divisions/in. / Grid type: Quantifoil R1.2/1.3 | ||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK II / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 293.15 K Details: 2.5 ul of sample 15 seconds wait time Blot time for 8 seconds |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELD |
Image recording | Electron dose: 40 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
Image scans | Movie frames/image: 20 |
-Processing
EM software | Name: RELION / Version: 1.4 / Category: 3D reconstruction |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
Symmetry | Point symmetry: C1 (asymmetric) |
3D reconstruction | Resolution: 4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 83787 / Symmetry type: POINT |
Atomic model building | Space: REAL |