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Open data
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Basic information
Entry | Database: PDB / ID: 7nvr | ||||||||||||||||||
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Title | Human Mediator with RNA Polymerase II Pre-initiation complex | ||||||||||||||||||
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![]() | TRANSCRIPTION / Mediator complex / RNA polymerase II / TFIIH / Pre-initiation complex | ||||||||||||||||||
Function / homology | ![]() negative regulation of smooth muscle cell differentiation / MMXD complex / core TFIIH complex portion of holo TFIIH complex / Cytosolic iron-sulfur cluster assembly / : / : / central nervous system myelin formation / positive regulation of core promoter binding / RNA polymerase II core complex assembly / meiotic sister chromatid cohesion ...negative regulation of smooth muscle cell differentiation / MMXD complex / core TFIIH complex portion of holo TFIIH complex / Cytosolic iron-sulfur cluster assembly / : / : / central nervous system myelin formation / positive regulation of core promoter binding / RNA polymerase II core complex assembly / meiotic sister chromatid cohesion / positive regulation of mitotic recombination / core mediator complex / hair cell differentiation / hair follicle maturation / ventricular system development / nucleotide-excision repair factor 3 complex / transcription factor TFIIE complex / RNA polymerase transcription factor SL1 complex / nucleotide-excision repair, preincision complex assembly / phosphatase activator activity / snRNA transcription by RNA polymerase II / CAK-ERCC2 complex / transcription factor TFIIK complex / embryonic cleavage / RNA polymerase III general transcription initiation factor activity / TFIIF-class transcription factor complex binding / UV protection / transcriptional start site selection at RNA polymerase II promoter / RNA polymerase I core promoter sequence-specific DNA binding / transcription factor TFIIF complex / mediator complex / DNA 5'-3' helicase / 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 / Generic Transcription Pathway / 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 / RNA polymerase II CTD heptapeptide repeat Y1 kinase activity / RNA polymerase II CTD heptapeptide repeat S2 kinase activity / RNA polymerase II CTD heptapeptide repeat T4 kinase activity / RNA polymerase II CTD heptapeptide repeat S5 kinase activity / RNA polymerase II CTD heptapeptide repeat S7 kinase activity / transcription factor TFIIA complex / RNA Polymerase III Abortive And Retractive Initiation / G protein-coupled receptor internalization / adult heart development / female germ cell nucleus / transcription factor TFIIH core complex / transcription factor TFIIH holo complex / cyclin-dependent protein serine/threonine kinase activator activity / male pronucleus / female pronucleus / nuclear vitamin D receptor binding / germinal vesicle / nuclear thyroid hormone receptor binding / RNA polymerase II general transcription initiation factor binding / [RNA-polymerase]-subunit kinase / limb development / Abortive elongation of HIV-1 transcript in the absence of Tat / FGFR2 alternative splicing / RNA Polymerase I Transcription Termination / cyclin-dependent protein serine/threonine kinase regulator activity / regulation of mitotic cell cycle phase transition / transcription preinitiation complex / 3'-5' DNA helicase activity / DNA 3'-5' helicase / Viral Messenger RNA Synthesis / cortical actin cytoskeleton / Signaling by FGFR2 IIIa TM / regulation of cyclin-dependent protein serine/threonine kinase activity / protein acetylation / transcription factor TFIID complex / RNA polymerase II general transcription initiation factor activity / cell division site / spinal cord development / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / hematopoietic stem cell proliferation / RNA Pol II CTD phosphorylation and interaction with CE during HIV infection / RNA Pol II CTD phosphorylation and interaction with CE / erythrocyte maturation Similarity search - Function | ||||||||||||||||||
Biological species | ![]() ![]() ![]() ![]() ![]() | ||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.5 Å | ||||||||||||||||||
![]() | Rengachari, S. / Schilbach, S. / Aibara, S. / Cramer, P. | ||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Structures of mammalian RNA polymerase II pre-initiation complexes. Authors: Shintaro Aibara / Sandra Schilbach / Patrick Cramer / ![]() Abstract: The initiation of transcription is a focal point for the regulation of gene activity during mammalian cell differentiation and development. To initiate transcription, RNA polymerase II (Pol II) ...The initiation of transcription is a focal point for the regulation of gene activity during mammalian cell differentiation and development. To initiate transcription, RNA polymerase II (Pol II) assembles with general transcription factors into a pre-initiation complex (PIC) that opens promoter DNA. Previous work provided the molecular architecture of the yeast and human PIC and a topological model for DNA opening by the general transcription factor TFIIH. Here we report the high-resolution cryo-electron microscopy structure of PIC comprising human general factors and Sus scrofa domesticus Pol II, which is 99.9% identical to human Pol II. We determine the structures of PIC with closed and opened promoter DNA at 2.5-2.8 Å resolution, and resolve the structure of TFIIH at 2.9-4.0 Å resolution. We capture the TFIIH translocase XPB in the pre- and post-translocation states, and show that XPB induces and propagates a DNA twist to initiate the opening of DNA approximately 30 base pairs downstream of the TATA box. We also provide evidence that DNA opening occurs in two steps and leads to the detachment of TFIIH from the core PIC, which may stop DNA twisting and enable RNA chain initiation. | ||||||||||||||||||
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Structure visualization
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Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 2.2 MB | Display | ![]() |
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PDB format | ![]() | 1.7 MB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.6 MB | Display | ![]() |
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Full document | ![]() | 1.6 MB | Display | |
Data in XML | ![]() | 255.9 KB | Display | |
Data in CIF | ![]() | 423.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 12610MC ![]() 7nvsC ![]() 7nvtC ![]() 7nvuC ![]() 7nvvC ![]() 7nvwC ![]() 7nvxC ![]() 7nvyC ![]() 7nvzC ![]() 7nw0C M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Components
+Protein , 8 types, 8 molecules 0389DKLO
+General transcription ... , 9 types, 9 molecules 124567QRW
+DNA-directed RNA polymerase ... , 7 types, 7 molecules ABCEFGI
+DNA-directed RNA polymerases I, II, and III subunit ... , 2 types, 2 molecules HJ
+Transcription initiation factor ... , 4 types, 4 molecules MUVX
+DNA chain , 2 types, 2 molecules NT
+Unassigned peptide, likely ... , 2 types, 2 molecules YZ
+Mediator of RNA polymerase II transcription subunit ... , 18 types, 18 molecules abcdefghijklmnopqs
+Unassigned peptide ... , 6 types, 6 molecules rvwxyz
+Non-polymers , 3 types, 20 molecules 




+Details
-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 | Experimental value: NO | ||||||||||||||||||||||||||||||||||||||||||
Source (natural) |
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Source (recombinant) |
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Buffer solution | pH: 7.5 | ||||||||||||||||||||||||||||||||||||||||||
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: ![]() |
Electron lens | Mode: BRIGHT FIELD |
Image recording | Electron dose: 58.56 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
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Processing
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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3D reconstruction | Resolution: 4.5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 25967 / Symmetry type: POINT |