+Open data
-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 information blastocyst growth / inner cell mass cell differentiation / Ski complex / RNA polymerase II C-terminal domain phosphoserine binding / positive regulation of mRNA 3'-end processing / mRNA decay by 3' to 5' exoribonuclease / negative regulation of DNA-templated transcription, elongation / nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay / Cdc73/Paf1 complex / regulation of isotype switching ...blastocyst growth / inner cell mass cell differentiation / Ski complex / RNA polymerase II C-terminal domain phosphoserine binding / positive regulation of mRNA 3'-end processing / mRNA decay by 3' to 5' exoribonuclease / negative regulation of DNA-templated transcription, elongation / nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay / Cdc73/Paf1 complex / regulation of isotype switching / regulation of mRNA export from nucleus / regulation of muscle cell differentiation / endodermal cell fate commitment / negative regulation of myeloid cell differentiation / blastocyst hatching / positive regulation of cell cycle G1/S phase transition / DSIF complex / regulation of transcription elongation by RNA polymerase II / nucleosome organization / trophectodermal cell differentiation / regulation of mRNA processing / nuclear DNA-directed RNA polymerase complex / mRNA 3'-end processing / 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 - Major Pathway / 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 / blastocyst formation / Formation of TC-NER Pre-Incision Complex / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / nuclear lumen / Abortive elongation of HIV-1 transcript in the absence of Tat / positive regulation of DNA-templated transcription, elongation / : / transcription elongation-coupled chromatin remodeling / negative regulation of gene expression, epigenetic / negative regulation of G1/S transition of mitotic cell cycle / stem cell population maintenance / RNA Pol II CTD phosphorylation and interaction with CE during HIV infection / RNA Pol II CTD phosphorylation and interaction with CE / transcription factor TFIID complex / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / mRNA Capping / interleukin-6-mediated signaling pathway / RNA polymerase II complex binding / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / cell surface receptor signaling pathway via JAK-STAT / organelle membrane / positive regulation of macroautophagy / RNA polymerase II transcribes snRNA genes / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / protein localization to nucleus / positive regulation of Wnt signaling pathway / nucleosome binding / Tat-mediated elongation of the HIV-1 transcript / Formation of HIV-1 elongation complex containing HIV-1 Tat / mRNA transport / RNA polymerase I complex / RNA polymerase III complex / Formation of HIV elongation complex in the absence of HIV Tat / RNA polymerase II, core complex / rescue of stalled ribosome / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / negative regulation of fibroblast proliferation / RNA Polymerase II Pre-transcription Events / SH2 domain binding / transcription elongation factor complex / DNA-directed RNA polymerase complex / RNA splicing / regulation of cell growth / transcription elongation by RNA polymerase II / DNA-templated transcription initiation / TP53 Regulates Transcription of DNA Repair Genes / positive regulation of transcription elongation by RNA polymerase II Similarity search - Function | ||||||
Biological species | Homo sapiens (human) Xenopus laevis (African clawed frog) Sus scrofa (pig) 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: 2022 Title: 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. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-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 (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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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) Sus scrofa (pig) 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) Sus scrofa (pig) 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) Sus scrofa (pig) / References: UniProt: A0A481DF93 |
#5: Protein | Mass: 24644.318 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: A0A4X1VTX4 |
#7: Protein | Mass: 19314.283 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: A0A4X1VKG7 |
-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) Sus scrofa (pig) / References: UniProt: A0A8D1GCS3 | ||||||
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#6: Protein | Mass: 14477.001 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: A0A4X1VEK9 | ||||||
#8: Protein | Mass: 17162.273 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) | ||||||
#9: Protein | Mass: 14541.221 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) | ||||||
#10: Protein | Mass: 7655.123 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) | ||||||
#11: Protein | Mass: 13310.284 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) | ||||||
#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.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P84233 #26: Protein | Mass: 11394.426 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P62799 #27: Protein | Mass: 14109.436 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Xenopus laevis (African clawed frog) / Gene: hist1h2aj, LOC494591, XELAEV_18003602mg / Production host: Escherichia coli (E. coli) / References: UniProt: Q6AZJ8 #28: Protein | Mass: 13655.948 Da / Num. of mol.: 2 / Mutation: S29T Source method: isolated from a genetically manipulated source Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P02281 |
-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) Sus scrofa (pig) / References: UniProt: A0A4X1TRS6 |
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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: Escherichia coli (E. coli) / References: UniProt: P23193 |
#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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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-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 |
-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 FIELDBright-field microscopy / 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 |
-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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