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Open data
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Basic information
| Entry | Database: PDB / ID: 7egb | |||||||||
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| Title | TFIID-based holo PIC on SCP promoter | |||||||||
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Keywords | TRANSCRIPTION / TFIID / preinitiation complex / core promoter / transcription initiation | |||||||||
| Function / homology | Function and homology informationnegative regulation of MHC class I biosynthetic process / microfibril binding / spermine transport / MMXD complex / core TFIIH complex portion of holo TFIIH complex / SAGA complex assembly / lateral mesodermal cell differentiation / DNA-templated transcription open complex formation / allantois development / pre-snoRNP complex ...negative regulation of MHC class I biosynthetic process / microfibril binding / spermine transport / MMXD complex / core TFIIH complex portion of holo TFIIH complex / SAGA complex assembly / lateral mesodermal cell differentiation / DNA-templated transcription open complex formation / allantois development / pre-snoRNP complex / positive regulation of androgen receptor signaling pathway / Cytosolic iron-sulfur cluster assembly / TFIIH-class transcription factor complex binding / central nervous system myelin formation / negative regulation of protein autoubiquitination / positive regulation of core promoter binding / negative regulation of MHC class II biosynthetic process / transcription factor TFTC complex / RNA polymerase II core complex assembly / RNA polymerase II CTD heptapeptide repeat S5 kinase activity / positive regulation of mitotic recombination / hair cell differentiation / hair follicle maturation / RNA polymerase I general transcription initiation factor activity / regulation of cell cycle G1/S phase transition / transcription factor TFIIE complex / nucleotide-excision repair factor 3 complex / RNA polymerase transcription factor SL1 complex / nucleotide-excision repair, preincision complex assembly / meiotic sister chromatid cohesion / phosphatase activator activity / ventricular system development / SLIK (SAGA-like) complex / histone H4K16ac reader activity / snRNA transcription by RNA polymerase II / CAK-ERCC2 complex / RNA polymerase III general transcription initiation factor activity / TFIIF-class transcription factor complex binding / transcription factor TFIIK complex / transcriptional start site selection at RNA polymerase II promoter / RNA polymerase I core promoter sequence-specific DNA binding / UV protection / hepatocyte differentiation / transcription factor TFIIF complex / embryonic cleavage / positive regulation of response to cytokine stimulus / DNA 5'-3' helicase / 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 TFIIA complex / adult heart development / maintenance of protein location in nucleus / C2H2 zinc finger domain binding / female germ cell nucleus / RNA Polymerase III Abortive And Retractive Initiation / regulation of cyclin-dependent protein serine/threonine kinase activity / G protein-coupled receptor internalization / histone H3K4me3 reader activity / transcription factor TFIIH core complex / transcription factor TFIIH holo complex / male pronucleus / host-mediated activation of viral transcription / cyclin-dependent protein serine/threonine kinase activator activity / female pronucleus / germinal vesicle / RNA polymerase II general transcription initiation factor binding / nuclear vitamin D receptor binding / RNA polymerase binding / nuclear thyroid hormone receptor binding / regulation of fat cell differentiation / [RNA-polymerase]-subunit kinase / limb development / box C/D snoRNP assembly / SAGA complex / Abortive elongation of HIV-1 transcript in the absence of Tat / FGFR2 alternative splicing / transcription preinitiation complex / RNA Polymerase I Transcription Termination Similarity search - Function | |||||||||
| Biological species | Homo sapiens (human)![]() | |||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.3 Å | |||||||||
Authors | Chen, X. / Wu, Z. / Hou, H. / Qi, Y. / Wang, X. / Li, J. / Xu, Y. | |||||||||
| Funding support | 1items
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Citation | Journal: Science / Year: 2021Title: Structural insights into preinitiation complex assembly on core promoters. Authors: Xizi Chen / Yilun Qi / Zihan Wu / Xinxin Wang / Jiabei Li / Dan Zhao / Haifeng Hou / Yan Li / Zishuo Yu / Weida Liu / Mo Wang / Yulei Ren / Ze Li / Huirong Yang / Yanhui Xu / ![]() Abstract: Transcription factor IID (TFIID) recognizes core promoters and supports preinitiation complex (PIC) assembly for RNA polymerase II (Pol II)-mediated eukaryotic transcription. We determined the ...Transcription factor IID (TFIID) recognizes core promoters and supports preinitiation complex (PIC) assembly for RNA polymerase II (Pol II)-mediated eukaryotic transcription. We determined the structures of human TFIID-based PIC in three stepwise assembly states and revealed two-track PIC assembly: stepwise promoter deposition to Pol II and extensive modular reorganization on track I (on TATA-TFIID-binding element promoters) versus direct promoter deposition on track II (on TATA-only and TATA-less promoters). The two tracks converge at an ~50-subunit holo PIC in identical conformation, whereby TFIID stabilizes PIC organization and supports loading of cyclin-dependent kinase (CDK)-activating kinase (CAK) onto Pol II and CAK-mediated phosphorylation of the Pol II carboxyl-terminal domain. Unexpectedly, TBP of TFIID similarly bends TATA box and TATA-less promoters in PIC. Our study provides structural visualization of stepwise PIC assembly on highly diversified promoters. | |||||||||
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Structure visualization
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| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 7egb.cif.gz | 2.6 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb7egb.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 7egb.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 7egb_validation.pdf.gz | 1.4 MB | Display | wwPDB validaton report |
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| Full document | 7egb_full_validation.pdf.gz | 1.4 MB | Display | |
| Data in XML | 7egb_validation.xml.gz | 292.1 KB | Display | |
| Data in CIF | 7egb_validation.cif.gz | 478.7 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/eg/7egb ftp://data.pdbj.org/pub/pdb/validation_reports/eg/7egb | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 31111MC ![]() 7edxC ![]() 7eg7C ![]() 7eg8C ![]() 7eg9C ![]() 7egaC ![]() 7egcC ![]() 7egdC ![]() 7egeC ![]() 7egfC ![]() 7eggC ![]() 7eghC ![]() 7egiC ![]() 7egjC M: map data used to model this data C: citing same article ( |
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| Similar structure data |
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Assembly
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Components
-Protein , 8 types, 8 molecules 089PUxyz
| #1: Protein | Mass: 35873.965 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: MNAT1, CAP35, MAT1, RNF66 / Production host: Homo sapiens (human) / References: UniProt: P51948 |
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| #9: Protein | Mass: 39090.344 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CDK7, CAK, CAK1, CDKN7, MO15, STK1 / Production host: Homo sapiens (human)References: UniProt: P50613, cyclin-dependent kinase, [RNA-polymerase]-subunit kinase |
| #10: Protein | Mass: 37695.473 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CCNH / Production host: Homo sapiens (human) / References: UniProt: P51946 |
| #22: 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: Homo sapiens (human) / References: UniProt: P20226 |
| #27: Protein | Mass: 49516.094 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2E1, TF2E1 / Production host: Homo sapiens (human) / References: UniProt: P29083 |
| #43: Protein | Mass: 7655.123 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #44: Protein | Mass: 13310.284 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #45: Protein | Mass: 7018.244 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-General transcription factor IIH subunit ... , 5 types, 5 molecules 12345
| #2: Protein | Mass: 62116.492 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2H1, BTF2 / Production host: Homo sapiens (human) / References: UniProt: P32780 |
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| #3: Protein | Mass: 44481.996 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2H2, BTF2P44 / Production host: Homo sapiens (human) / References: UniProt: Q13888 |
| #4: Protein | Mass: 34416.008 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2H3 / Production host: Homo sapiens (human) / References: UniProt: Q13889 |
| #5: Protein | Mass: 52245.156 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2H4 / Production host: Homo sapiens (human) / References: UniProt: Q92759 |
| #6: Protein | Mass: 8060.362 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2H5, C6orf175, TTDA / Production host: Homo sapiens (human) / References: UniProt: Q6ZYL4 |
-General transcription and DNA repair factor IIH helicase subunit ... , 2 types, 2 molecules 67
| #7: Protein | Mass: 89404.734 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: ERCC3, XPB, XPBC / Production host: Homo sapiens (human) / References: UniProt: P19447, DNA helicase |
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| #8: Protein | Mass: 87021.078 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: ERCC2, XPD, XPDC / Production host: Homo sapiens (human) / References: UniProt: P18074, DNA helicase |
-Transcription initiation factor ... , 17 types, 23 molecules ABDdEeFfGHIiJjLlOQRVckm
| #11: Protein | Mass: 212956.172 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF1, BA2R, CCG1, CCGS, TAF2A / Production host: Homo sapiens (human)References: UniProt: P21675, histone acetyltransferase, non-specific serine/threonine protein kinase | ||||||||||||||||||||||||||||
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| #12: Protein | Mass: 137159.984 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF2, CIF150, TAF2B / Production host: Homo sapiens (human) / References: UniProt: Q6P1X5 | ||||||||||||||||||||||||||||
| #13: Protein | Mass: 110221.883 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF4, TAF2C, TAF2C1, TAF4A, TAFII130, TAFII135 / Production host: Homo sapiens (human) / References: UniProt: O00268#14: Protein | Mass: 86932.109 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF5, TAF2D / Production host: Homo sapiens (human) / References: UniProt: Q15542#15: Protein | Mass: 72749.297 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF6, TAF2E, TAFII70 / Production host: Homo sapiens (human) / References: UniProt: P49848#16: Protein | | Mass: 40325.117 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF7, TAF2F, TAFII55 / Production host: Homo sapiens (human) / References: UniProt: Q15545#17: Protein | | Mass: 34304.359 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF8, TAFII43, TBN / Production host: Homo sapiens (human) / References: UniProt: Q7Z7C8#18: Protein | Mass: 29006.838 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF9, TAF2G, TAFII31 / Production host: Homo sapiens (human) / References: UniProt: Q16594#19: Protein | Mass: 21731.248 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF10, TAF2A, TAF2H, TAFII30 / Production host: Homo sapiens (human) / References: UniProt: Q12962#20: Protein | Mass: 17948.467 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF12, TAF15, TAF2J, TAFII20 / Production host: Homo sapiens (human) / References: UniProt: Q16514#21: Protein | | Mass: 12469.091 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2A2, TF2A2 / Production host: Homo sapiens (human) / References: UniProt: P52657#23: Protein | | Mass: 41544.551 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2A1, TF2A1 / Production host: Homo sapiens (human) / References: UniProt: P52655#24: Protein | | Mass: 34877.949 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2B, TF2B, TFIIB / Production host: Homo sapiens (human) / References: UniProt: Q00403, histone acetyltransferase#28: Protein | | Mass: 33106.824 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2E2, TF2E2 / Production host: Homo sapiens (human) / References: UniProt: P29084#31: Protein | | Mass: 103769.320 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF3 / Production host: Homo sapiens (human) / References: UniProt: Q5VWG9#32: Protein | | Mass: 23340.094 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF11, TAF2I, PRO2134 / Production host: Homo sapiens (human) / References: UniProt: Q15544#33: Protein | | Mass: 14307.068 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TAF13, TAF2K, TAFII18 / Production host: Homo sapiens (human) / References: UniProt: Q15543 |
-General transcription factor IIF subunit ... , 2 types, 2 molecules ST
| #25: Protein | Mass: 58343.578 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2F1, RAP74 / Production host: Homo sapiens (human) / References: UniProt: P35269 |
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| #26: Protein | Mass: 28427.309 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GTF2F2, RAP30 / Production host: Homo sapiens (human) / References: UniProt: P13984, DNA helicase |
-DNA chain , 2 types, 2 molecules XY
| #29: DNA chain | Mass: 29188.615 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human) |
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| #30: DNA chain | Mass: 21094.428 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human) |
-DNA-directed RNA ... , 9 types, 9 molecules opqrstuvw
| #34: Protein | Mass: 217420.047 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)References: UniProt: P24928, DNA-directed RNA polymerase, RNA-directed RNA polymerase |
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| #35: Protein | Mass: 134041.422 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: A0A4X1TVZ5, DNA-directed RNA polymerase |
| #36: Protein | Mass: 31439.074 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #37: Protein | Mass: 16331.255 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #38: Protein | Mass: 24644.318 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #39: Protein | Mass: 14477.001 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #40: Protein | Mass: 19314.283 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #41: Protein | Mass: 17162.273 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #42: Protein | Mass: 14541.221 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-Non-polymers , 3 types, 19 molecules 




| #46: Chemical | ChemComp-ZN / #47: Chemical | ChemComp-SF4 / | #48: 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
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| Buffer solution | pH: 7.9 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Vitrification | Cryogen name: ETHANE |
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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: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 1500 nm |
| Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
| CTF correction | Type: NONE |
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| 3D reconstruction | Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 92806 / Symmetry type: POINT |
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Homo sapiens (human)

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