7NVW

TFIIH in a pre-translocated state (without ADP-BeF3)


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.30 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Structures of mammalian RNA polymerase II pre-initiation complexes.

Aibara, S.Schilbach, S.Cramer, P.

(2021) Nature 594: 124-128

  • DOI: https://doi.org/10.1038/s41586-021-03554-8
  • Primary Citation of Related Structures:  
    7NVR, 7NVS, 7NVT, 7NVU, 7NVV, 7NVW, 7NVX, 7NVY, 7NVZ, 7NW0

  • PubMed 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) assembles with general transcription factors into a pre-initiation complex (PIC) that opens promoter DNA. Previous work provided the molecular architecture of the yeast 1-9 and human 10,11 PIC and a topological model for DNA opening by the general transcription factor TFIIH 12-14 . 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.


  • Organizational Affiliation

    Department of Molecular Biology, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany.


Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
TFIIH basal transcription factor complex helicase XPD subunitA [auth 0]760Homo sapiensMutation(s): 0 
Gene Names: ERCC2XPDXPDC
EC: 3.6.4.12
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PHAROS:  P18074
GTEx:  ENSG00000104884 
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UniProt GroupP18074
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
General transcription factor IIH subunit 1B [auth 1]548Homo sapiensMutation(s): 0 
Gene Names: GTF2H1BTF2
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PHAROS:  P32780
GTEx:  ENSG00000110768 
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UniProt GroupP32780
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
General transcription factor IIH subunit 4C [auth 2]462Homo sapiensMutation(s): 0 
Gene Names: GTF2H4
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PHAROS:  Q92759
GTEx:  ENSG00000213780 
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UniProt GroupQ92759
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
CDK-activating kinase assembly factor MAT1D [auth 3]309Homo sapiensMutation(s): 0 
Gene Names: MNAT1CAP35MAT1RNF66
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GTEx:  ENSG00000020426 
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UniProt GroupP51948
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
General transcription factor IIH subunit 3E [auth 4]308Homo sapiensMutation(s): 0 
Gene Names: GTF2H3
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GTEx:  ENSG00000111358 
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
General transcription factor IIH subunit 5F [auth 5]71Homo sapiensMutation(s): 0 
Gene Names: GTF2H5C6orf175TTDA
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GTEx:  ENSG00000272047 
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
General transcription factor IIH subunit 2G [auth 6]395Homo sapiensMutation(s): 0 
Gene Names: GTF2H2BTF2P44
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GTEx:  ENSG00000145736 
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
General transcription and DNA repair factor IIH helicase subunit XPBH [auth 7]782Homo sapiensMutation(s): 0 
Gene Names: ERCC3XPBXPBC
EC: 3.6.4.12
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GTEx:  ENSG00000163161 
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
General transcription factor IIE subunit 1K [auth W]439Homo sapiensMutation(s): 0 
Gene Names: GTF2E1TF2E1
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GTEx:  ENSG00000153767 
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
Unassigned Peptide, likely XPBL [auth Y]8Homo sapiensMutation(s): 0 
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
Unassigned Peptide, likely TFIIE-BetaM [auth Z]19Homo sapiensMutation(s): 0 
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Entity ID: 9
MoleculeChains LengthOrganismImage
Non-template DNAI [auth N]106Human mastadenovirus C
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Entity ID: 10
MoleculeChains LengthOrganismImage
Template DNAJ [auth T]106Human mastadenovirus C
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Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.30 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
H2020 Marie Curie Actions of the European CommissionGermany894862
German Research Foundation (DFG)GermanyEXC 2067/1 39072994
German Research Foundation (DFG)GermanySFB860
German Research Foundation (DFG)GermanySPP2191
European Research Council (ERC)Germany882357

Revision History  (Full details and data files)

  • Version 1.0: 2021-05-05
    Type: Initial release
  • Version 1.1: 2021-06-16
    Changes: Database references