+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-15129 | ||||||||||||
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Title | Structure of mammalian Pol II-TFIIS elongation complex | ||||||||||||
Map data | |||||||||||||
Sample |
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Keywords | chromatin / rna polymerase II / nucleosome / TFIIS / transcription / elongation | ||||||||||||
Function / homology | Function and homology information B-WICH complex positively regulates rRNA expression / RNA Polymerase I Transcription Initiation / RNA Polymerase I Promoter Escape / RNA Polymerase I Transcription Termination / RNA Polymerase III Transcription Initiation From Type 1 Promoter / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Polymerase III Transcription Initiation From Type 3 Promoter / Formation of RNA Pol II elongation complex / Formation of the Early Elongation Complex / Transcriptional regulation by small RNAs ...B-WICH complex positively regulates rRNA expression / RNA Polymerase I Transcription Initiation / RNA Polymerase I Promoter Escape / RNA Polymerase I Transcription Termination / RNA Polymerase III Transcription Initiation From Type 1 Promoter / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Polymerase III Transcription Initiation From Type 3 Promoter / Formation of RNA Pol II elongation complex / Formation of the Early Elongation Complex / Transcriptional regulation by small RNAs / RNA Polymerase II Pre-transcription Events / TP53 Regulates Transcription of DNA Repair Genes / FGFR2 alternative splicing / RNA polymerase II transcribes snRNA genes / mRNA Capping / mRNA Splicing - Minor Pathway / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Elongation / RNA Polymerase II Transcription Initiation And Promoter Clearance / RNA Pol II CTD phosphorylation and interaction with CE / Estrogen-dependent gene expression / Formation of TC-NER Pre-Incision Complex / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / mRNA Splicing - Major Pathway / transcription factor TFIID complex / RNA polymerase III activity / maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / RNA polymerase II activity / Tat-mediated elongation of the HIV-1 transcript / Formation of HIV-1 elongation complex containing HIV-1 Tat / transcription-coupled nucleotide-excision repair / tRNA transcription by RNA polymerase III / RNA polymerase I activity / RNA polymerase I complex / RNA polymerase III complex / positive regulation of translational initiation / Formation of HIV elongation complex in the absence of HIV Tat / RNA polymerase II, core complex / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / RNA Polymerase II Pre-transcription Events / translation initiation factor binding / TP53 Regulates Transcription of DNA Repair Genes / transcription initiation at RNA polymerase II promoter / transcription elongation by RNA polymerase II / P-body / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / ribonucleoside binding / fibrillar center / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / single-stranded DNA binding / transcription by RNA polymerase II / nucleic acid binding / chromosome, telomeric region / single-stranded RNA binding / protein dimerization activity / nuclear speck / RNA-dependent RNA polymerase activity / nucleotide binding / DNA-templated transcription / chromatin binding / nucleolus / positive regulation of transcription by RNA polymerase II / DNA binding / zinc ion binding / nucleoplasm / nucleus / metal ion binding / cytosol Similarity search - Function | ||||||||||||
Biological species | Sus scrofa (pig) / Homo sapiens (human) / synthetic construct (others) | ||||||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.0 Å | ||||||||||||
Authors | Farnung L / Ochmann M / Garg G / Vos SM / Cramer P | ||||||||||||
Funding support | European Union, Germany, 3 items
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Citation | Journal: Mol Cell / Year: 2022 Title: Structure of a backtracked hexasomal intermediate of nucleosome transcription. Authors: Lucas Farnung / Moritz Ochmann / Gaurika Garg / Seychelle M Vos / Patrick Cramer / Abstract: During gene transcription, RNA polymerase II (RNA Pol II) passes nucleosomes with the help of various elongation factors. Here, we show that RNA Pol II achieves efficient nucleosome passage when the ...During gene transcription, RNA polymerase II (RNA Pol II) passes nucleosomes with the help of various elongation factors. Here, we show that RNA Pol II achieves efficient nucleosome passage when the human elongation factors DSIF, PAF1 complex (PAF), RTF1, SPT6, and TFIIS are present. The cryo-EM structure of an intermediate of the nucleosome passage shows a partially unraveled hexasome that lacks the proximal H2A-H2B dimer and interacts with the RNA Pol II jaw, DSIF, and the CTR9trestle helix. RNA Pol II adopts a backtracked state with the RNA 3' end dislodged from the active site and bound in the RNA Pol II pore. Additional structures and biochemical data show that human TFIIS enters the RNA Pol II pore and stimulates the cleavage of the backtracked RNA and nucleosome passage. | ||||||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_15129.map.gz | 80.6 MB | EMDB map data format | |
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Header (meta data) | emd-15129-v30.xml emd-15129.xml | 31.6 KB 31.6 KB | Display Display | EMDB header |
Images | emd_15129.png | 109.4 KB | ||
Filedesc metadata | emd-15129.cif.gz | 9.7 KB | ||
Others | emd_15129_half_map_1.map.gz emd_15129_half_map_2.map.gz | 80.8 MB 80.8 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-15129 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-15129 | HTTPS FTP |
-Validation report
Summary document | emd_15129_validation.pdf.gz | 1.1 MB | Display | EMDB validaton report |
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Full document | emd_15129_full_validation.pdf.gz | 1.1 MB | Display | |
Data in XML | emd_15129_validation.xml.gz | 13 KB | Display | |
Data in CIF | emd_15129_validation.cif.gz | 14.9 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-15129 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-15129 | HTTPS FTP |
-Related structure data
Related structure data | 8a40MC 8a3yC M: atomic model generated by this map C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_15129.map.gz / Format: CCP4 / Size: 103 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.834 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #2
File | emd_15129_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_15129_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Sample components
+Entire : Mammalian Pol II-TFIIS elongation complex
+Supramolecule #1: Mammalian Pol II-TFIIS elongation complex
+Macromolecule #1: DNA-directed RNA polymerase subunit
+Macromolecule #2: DNA-directed RNA polymerase subunit beta
+Macromolecule #3: DNA-directed RNA polymerase II subunit RPB3
+Macromolecule #4: RNA polymerase II subunit D
+Macromolecule #5: DNA-directed RNA polymerase II subunit E
+Macromolecule #6: DNA-directed RNA polymerases I, II, and III subunit RPABC2
+Macromolecule #7: DNA-directed RNA polymerase II subunit RPB7
+Macromolecule #8: DNA-directed RNA polymerases I, II, and III subunit RPABC3
+Macromolecule #9: DNA-directed RNA polymerase II subunit RPB9
+Macromolecule #10: DNA-directed RNA polymerases I, II, and III subunit RPABC5
+Macromolecule #11: DNA-directed RNA polymerase II subunit RPB11-a
+Macromolecule #12: RNA polymerase II subunit K
+Macromolecule #16: Transcription elongation factor A protein 1
+Macromolecule #13: Non-template DNA
+Macromolecule #15: Template DNA
+Macromolecule #14: RNA
+Macromolecule #17: ZINC ION
+Macromolecule #18: MAGNESIUM ION
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 7.4 |
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Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 50.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.0 µm / Nominal defocus min: 1.2 µm |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
-Image processing
Startup model | Type of model: OTHER |
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Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 3.0 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 3000 |
Initial angle assignment | Type: MAXIMUM LIKELIHOOD |
Final angle assignment | Type: MAXIMUM LIKELIHOOD |