5O85

p34-p44 complex

  • Classification: TRANSCRIPTION
  • Organism(s): Homo sapiens
  • Expression System: Escherichia coli
  • Mutation(s): 

  • Deposited: 2017-06-12 Released: 2017-10-18 
  • Deposition Author(s): Radu, L., Poterszman, A.
  • Funding Organization(s): French National Research Agency; INCA; Association pour la Recherche sur le Cancer; la ligue contre le cancer 

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.4 Å
  • R-Value Free: 0.290 
  • R-Value Work: 0.240 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The intricate network between the p34 and p44 subunits is central to the activity of the transcription/DNA repair factor TFIIH.

Radu, L.Schoenwetter, E.Braun, C.Marcoux, J.Koelmel, W.Schmitt, D.R.Kuper, J.Cianferani, S.Egly, J.M.Poterszman, A.Kisker, C.

(2017) Nucleic Acids Res. 45: 10872-10883

  • DOI: 10.1093/nar/gkx743
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • The general transcription factor IIH (TFIIH) is a multi-protein complex and its 10 subunits are engaged in an intricate protein-protein interaction network critical for the regulation of its transcription and DNA repair activities that are so far lit ...

    The general transcription factor IIH (TFIIH) is a multi-protein complex and its 10 subunits are engaged in an intricate protein-protein interaction network critical for the regulation of its transcription and DNA repair activities that are so far little understood on a molecular level. In this study, we focused on the p44 and the p34 subunits, which are central for the structural integrity of core-TFIIH. We solved crystal structures of a complex formed by the p34 N-terminal vWA and p44 C-terminal zinc binding domains from Chaetomium thermophilum and from Homo sapiens. Intriguingly, our functional analyses clearly revealed the presence of a second interface located in the C-terminal zinc binding region of p34, which can rescue a disrupted interaction between the p34 vWA and the p44 RING domain. In addition, we demonstrate that the C-terminal zinc binding domain of p34 assumes a central role with respect to the stability and function of TFIIH. Our data reveal a redundant interaction network within core-TFIIH, which may serve to minimize the susceptibility to mutational impairment. This provides first insights why so far no mutations in the p34 or p44 TFIIH-core subunits have been identified that would lead to the hallmark nucleotide excision repair syndromes xeroderma pigmentosum or trichothiodystrophy.


    Organizational Affiliation

    Institut de Génétique et de Biologie Moléculaire et Cellulaire, UMR 7104 CNRS/Inserm/UdS, BP163, 67404 Illkirch Cedex, C.U. Strasbourg, France.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
General transcription factor IIH subunit 3
A, C
308Homo sapiensMutation(s): 0 
Gene Names: GTF2H3
Find proteins for Q13889 (Homo sapiens)
Go to Gene View: GTF2H3
Go to UniProtKB:  Q13889
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
General transcription factor IIH subunit 2
B, D
395Homo sapiensMutation(s): 1 
Gene Names: GTF2H2 (BTF2P44)
Find proteins for Q13888 (Homo sapiens)
Go to Gene View: GTF2H2
Go to UniProtKB:  Q13888
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

Download SDF File 
Download CCD File 
B, D
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.4 Å
  • R-Value Free: 0.290 
  • R-Value Work: 0.240 
  • Space Group: I 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 81.407α = 90.00
b = 120.388β = 90.00
c = 128.673γ = 90.00
Software Package:
Software NamePurpose
PHENIXrefinement
XDSdata scaling
PHENIXphasing
XDSdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
French National Research AgencyFranceANR-12-BSV8-0015-01
INCAFranceINCA_9378
Association pour la Recherche sur le CancerFranceSL120120304592
la ligue contre le cancerFranceCCIR-GE 2013 and Post-doctoral fellowship to L.R.
French National Research AgencyFranceANR-10-INSB-05-01

Revision History 

  • Version 1.0: 2017-10-18
    Type: Initial release
  • Version 1.1: 2017-11-01
    Type: Database references
  • Version 1.2: 2019-05-08
    Type: Advisory, Data collection, Derived calculations