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Open data
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Basic information
| Entry | Database: PDB / ID: 8ity | ||||||
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| Title | human RNA polymerase III pre-initiation complex closed DNA 1 | ||||||
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Keywords | TRANSCRIPTION / RNA polymerase III / SNAPc complex | ||||||
| Function / homology | Function and homology informationsnRNA-activating protein complex / snRNA transcription / transcription preinitiation complex assembly / snRNA transcription by RNA polymerase III / bent DNA binding / RNA polymerase III preinitiation complex assembly / RNA Polymerase III Chain Elongation / transcription factor TFIIIB complex / TFIIIC-class transcription factor complex binding / RNA Polymerase III Transcription Termination ...snRNA-activating protein complex / snRNA transcription / transcription preinitiation complex assembly / snRNA transcription by RNA polymerase III / bent DNA binding / RNA polymerase III preinitiation complex assembly / RNA Polymerase III Chain Elongation / transcription factor TFIIIB complex / TFIIIC-class transcription factor complex binding / RNA Polymerase III Transcription Termination / DNA/RNA hybrid binding / calcitonin gene-related peptide receptor activity / RNA polymerase transcription factor SL1 complex / RNA polymerase III type 3 promoter sequence-specific DNA binding / regulation of transcription by RNA polymerase I / regulation of transcription by RNA polymerase III / snRNA transcription by RNA polymerase II / RNA polymerase III general transcription initiation factor activity / RNA polymerase I core promoter sequence-specific DNA binding / RPAP3/R2TP/prefoldin-like complex / DNA polymerase III complex / 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 / transcription factor TFIIA complex / female germ cell nucleus / RNA Polymerase III Abortive And Retractive Initiation / Cytosolic sensors of pathogen-associated DNA / male pronucleus / female pronucleus / positive regulation of innate immune response / RNA polymerase II general transcription initiation factor binding / nucleobase-containing compound metabolic process / Abortive elongation of HIV-1 transcript in the absence of Tat / FGFR2 alternative splicing / transcription preinitiation complex / RNA Polymerase I Transcription Termination / MicroRNA (miRNA) biogenesis / Viral Messenger RNA Synthesis / Signaling by FGFR2 IIIa TM / RNA polymerase II general transcription initiation factor activity / 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 / HIV Transcription Initiation / RNA Polymerase II HIV Promoter Escape / Transcription of the HIV genome / 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 / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / transcription initiation at RNA polymerase III promoter / mRNA Capping / mRNA Splicing - Minor Pathway / PIWI-interacting RNA (piRNA) biogenesis / aryl hydrocarbon receptor binding / TFIIB-class transcription factor binding / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase I Transcription Initiation / transcription by RNA polymerase III / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / RNA polymerase II transcribes snRNA genes / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / neuropeptide signaling pathway / positive regulation of transcription initiation by RNA polymerase II / Tat-mediated elongation of the HIV-1 transcript / Formation of HIV-1 elongation complex containing HIV-1 Tat / RNA polymerase I complex / transcription elongation by RNA polymerase I / RNA polymerase III complex / RNA polymerase II core promoter sequence-specific DNA binding / core promoter sequence-specific DNA binding / Formation of HIV elongation complex in the absence of HIV Tat / RNA polymerase II, core complex / tRNA transcription by RNA polymerase III / RNA polymerase II preinitiation complex assembly / transcription by RNA polymerase I / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / RNA Polymerase II Pre-transcription Events / acrosomal vesicle / mRNA Splicing - Major Pathway / Inhibition of DNA recombination at telomere / positive regulation of interferon-beta production / TBP-class protein binding / SIRT1 negatively regulates rRNA expression / male germ cell nucleus / TP53 Regulates Transcription of DNA Repair Genes / transcription initiation at RNA polymerase II promoter / RNA Polymerase I Promoter Escape / DNA-templated transcription initiation / Transcriptional regulation by small RNAs / mRNA transcription by RNA polymerase II / euchromatin / protein-DNA complex / NoRC negatively regulates rRNA expression Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.9 Å | ||||||
Authors | Hou, H. / Jin, Q. / Ren, Y. / Wang, Q. / Xu, Y. | ||||||
| Funding support | China, 1items
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Citation | Journal: Cell Res / Year: 2023Title: Structure of the SNAPc-bound RNA polymerase III preinitiation complex. Authors: Haifeng Hou / Qianwei Jin / Yulei Ren / Zhenguo Chen / Qianmin Wang / Yanhui Xu / ![]() | ||||||
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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 | 8ity.cif.gz | 1.4 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb8ity.ent.gz | 1 MB | Display | PDB format |
| PDBx/mmJSON format | 8ity.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 8ity_validation.pdf.gz | 1.7 MB | Display | wwPDB validaton report |
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| Full document | 8ity_full_validation.pdf.gz | 1.8 MB | Display | |
| Data in XML | 8ity_validation.xml.gz | 182.3 KB | Display | |
| Data in CIF | 8ity_validation.cif.gz | 277.2 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/it/8ity ftp://data.pdbj.org/pub/pdb/validation_reports/it/8ity | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 35712MC ![]() 8iueC ![]() 8iuhC 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
-SnRNA-activating protein complex subunit ... , 3 types, 3 molecules 134
| #1: Protein | Mass: 43074.473 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SNAPC1, SNAP43 / Production host: Homo sapiens (human) / References: UniProt: Q16533 |
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| #2: Protein | Mass: 46812.605 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SNAPC3, SNAP50 / Production host: Homo sapiens (human) / References: UniProt: Q92966 |
| #3: Protein | Mass: 159645.172 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SNAPC4, SNAP190 / Production host: Homo sapiens (human) / References: UniProt: Q5SXM2 |
-DNA-directed RNA polymerase III subunit ... , 10 types, 10 molecules ABDGIMNOPQ
| #4: Protein | Mass: 155860.125 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR3A / Production host: Homo sapiens (human) / References: UniProt: O14802, DNA-directed RNA polymerase |
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| #5: Protein | Mass: 127953.891 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR3B / Production host: Homo sapiens (human) / References: UniProt: Q9NW08, DNA-directed RNA polymerase |
| #7: Protein | Mass: 16893.990 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CRCP / Production host: Homo sapiens (human) / References: UniProt: O75575 |
| #10: Protein | Mass: 22938.846 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR3H, KIAA1665, RPC8 / Production host: Homo sapiens (human) / References: UniProt: Q9Y535 |
| #12: Protein | Mass: 12338.104 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR3K, RPC11, My010 / Production host: Homo sapiens (human) / References: UniProt: Q9Y2Y1 |
| #16: Protein | Mass: 80004.031 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR3E, KIAA1452 / Production host: Homo sapiens (human) / References: UniProt: Q9NVU0 |
| #17: Protein | Mass: 35195.559 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) |
| #18: Protein | Mass: 60692.555 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR3C / Production host: Homo sapiens (human) / References: UniProt: Q9BUI4 |
| #19: Protein | Mass: 35726.914 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR3F / Production host: Homo sapiens (human) / References: UniProt: Q9H1D9 |
| #20: Protein | Mass: 25953.510 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR3G / Production host: Homo sapiens (human) / References: UniProt: O15318 |
-DNA-directed RNA polymerases I and III subunit ... , 2 types, 2 molecules CK
| #6: Protein | Mass: 39301.672 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1C, POLR1E / Production host: Homo sapiens (human) / References: UniProt: O15160 |
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| #14: Protein | Mass: 15259.222 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1D / Production host: Homo sapiens (human) / References: UniProt: P0DPB6 |
-DNA-directed RNA polymerases I, II, and III subunit ... , 5 types, 5 molecules EFHJL
| #8: Protein | Mass: 24584.223 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2E / Production host: Homo sapiens (human) / References: UniProt: P19388 |
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| #9: Protein | Mass: 14491.026 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2F, POLRF / Production host: Homo sapiens (human) / References: UniProt: P61218 |
| #11: Protein | Mass: 17162.273 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2H / Production host: Homo sapiens (human) / References: UniProt: P52434 |
| #13: Protein | Mass: 7655.123 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2L / Production host: Homo sapiens (human) / References: UniProt: P62875 |
| #15: Protein | Mass: 7018.244 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2K / Production host: Homo sapiens (human) / References: UniProt: P53803 |
-Protein , 1 types, 1 molecules U
| #21: Protein | Mass: 37729.938 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TBP, GTF2D1, TF2D, TFIID / Production host: ![]() |
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-Transcription factor ... , 2 types, 2 molecules VW
| #22: Protein | Mass: 46587.355 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: BRF2, BRFU, PRO1470 / Production host: ![]() |
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| #23: Protein | Mass: 294301.375 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: BDP1, KIAA1241, KIAA1689, TFNR / Production host: ![]() |
-DNA chain , 2 types, 2 molecules XY
| #24: DNA chain | Mass: 143512.500 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human) / References: GenBank: 37562 |
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| #25: DNA chain | Mass: 143039.469 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human) / References: GenBank: 37562 |
-Non-polymers , 3 types, 9 molecules 




| #26: Chemical | ChemComp-ZN / #27: Chemical | ChemComp-MG / | #28: Chemical | ChemComp-SF4 / | |
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-Details
| Has ligand of interest | Y |
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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
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| Molecular weight | Value: 1 MDa / Experimental value: NO | ||||||||||||||||||||||||||||||
| Source (natural) | Organism: Homo sapiens (human) | ||||||||||||||||||||||||||||||
| Source (recombinant) |
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| Buffer solution | pH: 8 | ||||||||||||||||||||||||||||||
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||||||||
| Vitrification | Cryogen name: ETHANE-PROPANE |
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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: OTHER |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 3000 nm / Nominal defocus min: 1500 nm |
| Image recording | Electron dose: 40 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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| 3D reconstruction | Resolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 70361 / Symmetry type: POINT |
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Homo sapiens (human)
China, 1items
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FIELD EMISSION GUN