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Open data
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Basic information
| Entry | Database: PDB / ID: 7unc | ||||||
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| Title | Pol II-DSIF-SPT6-PAF1c-TFIIS complex with rewrapped nucleosome | ||||||
Components |
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Keywords | TRANSCRIPTION / Chromatin / nucleosome / intermediate | ||||||
| Function / homology | Function and homology informationendodermal cell fate commitment / Ski complex / regulation of isotype switching / RNA polymerase II C-terminal domain phosphoserine binding / mRNA decay by 3' to 5' exoribonuclease / positive regulation of mRNA 3'-end processing / Cdc73/Paf1 complex / nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay / negative regulation of DNA-templated transcription, elongation / transcription pausing by RNA polymerase II ...endodermal cell fate commitment / Ski complex / regulation of isotype switching / RNA polymerase II C-terminal domain phosphoserine binding / mRNA decay by 3' to 5' exoribonuclease / positive regulation of mRNA 3'-end processing / Cdc73/Paf1 complex / nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay / negative regulation of DNA-templated transcription, elongation / transcription pausing by RNA polymerase II / negative regulation of myeloid cell differentiation / regulation of muscle cell differentiation / positive regulation of cell cycle G1/S phase transition / DSIF complex / nuclear DNA-directed RNA polymerase complex / regulation of transcription elongation by RNA polymerase II / 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 / nucleosome organization / 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 / mRNA Splicing - Major Pathway / mRNA Polyadenylation / Formation of TC-NER Pre-Incision Complex / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / positive regulation of DNA-templated transcription, elongation / mRNA 3'-end processing / transcription elongation factor activity / Abortive elongation of HIV-1 transcript in the absence of Tat / negative regulation of G1/S transition of mitotic cell cycle / transcription elongation-coupled chromatin remodeling / stem cell population maintenance / interleukin-6-mediated signaling pathway / transcription factor TFIID complex / RNA Pol II CTD phosphorylation and interaction with CE during HIV infection / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / mRNA Capping / positive regulation of macroautophagy / DNA-directed RNA polymerase complex / RNA polymerase II complex binding / RNA polymerase II transcribes snRNA genes / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / protein localization to nucleus / negative regulation of fibroblast proliferation / nuclear-transcribed mRNA catabolic process / Tat-mediated elongation of the HIV-1 transcript / positive regulation of Wnt signaling pathway / Formation of HIV-1 elongation complex containing HIV-1 Tat / Formation of HIV elongation complex in the absence of HIV Tat / cell surface receptor signaling pathway via JAK-STAT / Dengue virus activates/modulates innate and adaptive immune responses / termination of RNA polymerase III transcription / transcription initiation at RNA polymerase III promoter / RNA Polymerase II Transcription Elongation / RNA polymerase I complex / RNA polymerase III complex / Formation of RNA Pol II elongation complex / transcription elongation by RNA polymerase I / RNA polymerase II, core complex / tRNA transcription by RNA polymerase III / transcription by RNA polymerase I / nucleosome binding / RNA Polymerase II Pre-transcription Events / SH2 domain binding / transcription elongation factor complex / rescue of stalled cytosolic ribosome / TP53 Regulates Transcription of DNA Repair Genes / CHD1 and CHD2 subfamily / positive regulation of transcription elongation by RNA polymerase II / DNA-templated transcription initiation / transcription initiation at RNA polymerase II promoter / protein destabilization / euchromatin / transcription elongation by RNA polymerase II Similarity search - Function | ||||||
| Biological species | Homo sapiens (human)![]() synthetic construct (others) | ||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3 Å | ||||||
Authors | Filipovski, M. / Vos, S.M. / Farnung, L. | ||||||
| Funding support | United States, 1items
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Citation | Journal: Science / Year: 2022Title: Structural basis of nucleosome retention during transcription elongation. Authors: Martin Filipovski / Jelly H M Soffers / Seychelle M Vos / Lucas Farnung / ![]() Abstract: In eukaryotes, RNA polymerase (Pol) II transcribes chromatin and must move past nucleosomes, often resulting in nucleosome displacement. How Pol II unwraps the DNA from nucleosomes to allow ...In eukaryotes, RNA polymerase (Pol) II transcribes chromatin and must move past nucleosomes, often resulting in nucleosome displacement. How Pol II unwraps the DNA from nucleosomes to allow transcription and how DNA rewraps to retain nucleosomes has been unclear. Here, we report the 3.0-angstrom cryo-electron microscopy structure of a mammalian Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex stalled 54 base pairs within the nucleosome. The structure provides a mechanistic basis for nucleosome retention during transcription elongation where upstream DNA emerging from the Pol II cleft has rewrapped the proximal side of the nucleosome. The structure uncovers a direct role for Pol II and transcription elongation factors in nucleosome retention and explains how nucleosomes are retained to prevent the disruption of chromatin structure across actively transcribed genes. | ||||||
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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 | 7unc.cif.gz | 2.4 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb7unc.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 7unc.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/un/7unc ftp://data.pdbj.org/pub/pdb/validation_reports/un/7unc | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 26620MC ![]() 7undC M: map data used to model this data C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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Components
-DNA-directed RNA polymerase ... , 5 types, 5 molecules ABCEG
| #1: Protein | Mass: 219049.500 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: A0A7M4DUC2, DNA-directed RNA polymerase |
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| #2: Protein | Mass: 142426.125 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: A0A4X1TVZ5, DNA-directed RNA polymerase |
| #3: Protein | Mass: 31439.074 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #5: Protein | Mass: 24644.318 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #7: Protein | Mass: 19314.283 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-Protein , 12 types, 16 molecules DFHIJKWXaebfcgdh
| #4: Protein | Mass: 20962.621 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||||||
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| #6: Protein | Mass: 14477.001 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||||||
| #8: Protein | Mass: 17162.273 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||||||
| #9: Protein | Mass: 14541.221 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||||||
| #10: Protein | Mass: 7655.123 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||||||
| #11: Protein | Mass: 13310.284 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||||||
| #22: Protein | Mass: 33617.465 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q9GZS3 | ||||||
| #23: Protein | Mass: 60673.539 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CDC73, C1orf28, HRPT2 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q6P1J9 | ||||||
| #25: Protein | Mass: 15435.126 Da / Num. of mol.: 2 / Mutation: G102A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() #26: Protein | Mass: 11394.426 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() #27: Protein | Mass: 14109.436 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() #28: Protein | Mass: 13655.948 Da / Num. of mol.: 2 / Mutation: S29T Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() |
-RNA polymerase ... , 2 types, 2 molecules LV
| #12: Protein | Mass: 7018.244 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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| #21: Protein | Mass: 60052.672 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: PAF1, PD2 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q8N7H5 |
-Transcription elongation factor ... , 3 types, 3 molecules MOZ
| #13: Protein | Mass: 199602.969 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SUPT6H, KIAA0162, SPT6H / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q7KZ85 |
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| #15: Protein | Mass: 34294.980 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TCEA1, GTF2S, TFIIS / Production host: ![]() |
| #24: Protein | Mass: 121225.477 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SUPT5H, SPT5, SPT5H / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: O00267 |
-DNA chain , 2 types, 2 molecules NT
| #14: DNA chain | Mass: 64763.039 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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| #19: DNA chain | Mass: 66186.398 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
-RNA chain , 1 types, 1 molecules P
| #16: RNA chain | Mass: 5004.936 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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-RNA polymerase-associated protein ... , 3 types, 3 molecules QRU
| #17: Protein | Mass: 134510.203 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CTR9, KIAA0155, SH2BP1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q6PD62 |
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| #18: Protein | Mass: 80733.016 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: RTF1, KIAA0252 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q92541 |
| #20: Protein | Mass: 75514.172 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: LEO1, RDL / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q8WVC0 |
-Non-polymers , 2 types, 9 molecules 


| #29: Chemical | ChemComp-ZN / #30: Chemical | ChemComp-MG / | |
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-Details
| Has ligand of interest | N |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: ELECTRON MICROSCOPY |
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| EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
| Component | Name: Pol II-DSIF-SPT6-PAF1c-TFIIS complex with rewrapped nucleosome Type: COMPLEX / Entity ID: #1-#28 / Source: MULTIPLE SOURCES | ||||||||||||||||||||||||||||||
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| Molecular weight | Experimental value: NO | ||||||||||||||||||||||||||||||
| Buffer solution | pH: 7.4 | ||||||||||||||||||||||||||||||
| Buffer component |
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| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||||||||
| Specimen support | Details: 15 mA with 10 s hold time / Grid material: COPPER / Grid mesh size: 200 divisions/in. / Grid type: Quantifoil R2/1 | ||||||||||||||||||||||||||||||
| Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K |
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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: SPOT SCAN |
| Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 105000 X / Nominal defocus max: 2000 nm / Nominal defocus min: 500 nm |
| Image recording | Electron dose: 52 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
| EM imaging optics | Energyfilter slit width: 20 eV / Phase plate: VOLTA PHASE PLATE |
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Processing
| Software | Name: UCSF ChimeraX / Version: 1.4/v9 / Classification: model building / URL: https://www.rbvi.ucsf.edu/chimerax/ / Os: macOS / Type: package | ||||||||||||||||||||||||||||
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| EM software |
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| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||
| 3D reconstruction | Resolution: 3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 105420 / Num. of class averages: 1 / Symmetry type: POINT | ||||||||||||||||||||||||||||
| Atomic model building | B value: 189.36 / Protocol: RIGID BODY FIT / Space: REAL | ||||||||||||||||||||||||||||
| Atomic model building |
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About Yorodumi




Homo sapiens (human)

United States, 1items
Citation


PDBj







































































gel filtration
Trichoplusia ni (cabbage looper)



