6RO4

Structure of the core TFIIH-XPA-DNA complex


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.50 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

Structural basis of TFIIH activation for nucleotide excision repair.

Kokic, G.Chernev, A.Tegunov, D.Dienemann, C.Urlaub, H.Cramer, P.

(2019) Nat Commun 10: 2885-2885

  • DOI: 10.1038/s41467-019-10745-5
  • Primary Citation of Related Structures:  
    6RO4

  • PubMed Abstract: 
  • Nucleotide excision repair (NER) is the major DNA repair pathway that removes UV-induced and bulky DNA lesions. There is currently no structure of NER intermediates, which form around the large multisubunit transcription factor IIH (TFIIH). Here we report the cryo-EM structure of an NER intermediate containing TFIIH and the NER factor XPA ...

    Nucleotide excision repair (NER) is the major DNA repair pathway that removes UV-induced and bulky DNA lesions. There is currently no structure of NER intermediates, which form around the large multisubunit transcription factor IIH (TFIIH). Here we report the cryo-EM structure of an NER intermediate containing TFIIH and the NER factor XPA. Compared to its transcription conformation, the TFIIH structure is rearranged such that its ATPase subunits XPB and XPD bind double- and single-stranded DNA, consistent with their translocase and helicase activities, respectively. XPA releases the inhibitory kinase module of TFIIH, displaces a 'plug' element from the DNA-binding pore in XPD, and together with the NER factor XPG stimulates XPD activity. Our results explain how TFIIH is switched from a transcription to a repair factor, and provide the basis for a mechanistic analysis of the NER pathway.


    Organizational Affiliation

    Department of Molecular Biology, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077, Göttingen, Germany. patrick.cramer@mpibpc.mpg.de.



Macromolecules

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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
General transcription and DNA repair factor IIH helicase subunit XPBC [auth A]782Homo sapiensMutation(s): 0 
Gene Names: ERCC3XPBXPBC
EC: 3.6.4.12
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
General transcription factor IIH subunit 5D [auth F]71Homo sapiensMutation(s): 0 
Gene Names: GTF2H5C6orf175TTDA
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
TFIIH basal transcription factor complex helicase XPD subunitE [auth B]760Homo sapiensMutation(s): 0 
Gene Names: ERCC2XPDXPDC
EC: 3.6.4.12
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
General transcription factor IIH subunit 3F [auth E]308Homo sapiensMutation(s): 0 
Gene Names: GTF2H3
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
General transcription factor IIH subunit 2G [auth D]395Homo sapiensMutation(s): 0 
Gene Names: GTF2H2BTF2P44
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
General transcription factor IIH subunit 4H [auth C]462Homo sapiensMutation(s): 0 
Gene Names: GTF2H4
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
DNA repair protein complementing XP-A cellsI [auth G]273Homo sapiensMutation(s): 0 
Gene Names: XPAXPAC
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Entity ID: 1
MoleculeChainsLengthOrganismImage
DNA1A [auth J]49Homo sapiens
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Entity ID: 2
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DNA2B [auth K]49Homo sapiens
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Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.50 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
German Research FoundationGermanySFB860
German Research FoundationGermanySPP1935
European Research Council693023
Volkswagen Foundation--

Revision History  (Full details and data files)

  • Version 1.0: 2019-07-03
    Type: Initial release
  • Version 1.1: 2019-07-10
    Changes: Data collection, Database references