5AIO

Crystal structure of t131 N-terminal TPR array


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.148 Å
  • R-Value Free: 0.287 
  • R-Value Work: 0.250 

wwPDB Validation 3D Report Full Report


This is version 2.0 of the entry. See complete history

Literature

Architecture of TFIIIC and its role in RNA polymerase III pre-initiation complex assembly.

Male, G.von Appen, A.Glatt, S.Taylor, N.M.Cristovao, M.Groetsch, H.Beck, M.Muller, C.W.

(2015) Nat Commun 6: 7387-7387

  • DOI: 10.1038/ncomms8387
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • In eukaryotes, RNA Polymerase III (Pol III) is specifically responsible for transcribing genes encoding tRNAs and other short non-coding RNAs. The recruitment of Pol III to tRNA-encoding genes requires the transcription factors (TF) IIIB and IIIC. TF ...

    In eukaryotes, RNA Polymerase III (Pol III) is specifically responsible for transcribing genes encoding tRNAs and other short non-coding RNAs. The recruitment of Pol III to tRNA-encoding genes requires the transcription factors (TF) IIIB and IIIC. TFIIIC has been described as a conserved, multi-subunit protein complex composed of two subcomplexes, called τA and τB. How these two subcomplexes are linked and how their interaction affects the formation of the Pol III pre-initiation complex (PIC) is poorly understood. Here we use chemical crosslinking mass spectrometry and determine the molecular architecture of TFIIIC. We further report the crystal structure of the essential TPR array from τA subunit τ131 and characterize its interaction with a central region of τB subunit τ138. The identified τ131-τ138 interacting region is essential in vivo and overlaps with TFIIIB-binding sites, revealing a crucial interaction platform for the regulation of tRNA transcription initiation.


    Organizational Affiliation

    European Molecular Biology Laboratory (EMBL), Structural and Computational Biology Unit, Meyerhofstrasse 1, Heidelberg 69117, Germany.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
TRANSCRIPTION FACTOR TAU 131 KDA SUBUNIT
A
448Saccharomyces cerevisiae (strain ATCC 204508 / S288c)Mutation(s): 0 
Gene Names: TFC4 (PCF1)
Find proteins for P33339 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Go to UniProtKB:  P33339
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.148 Å
  • R-Value Free: 0.287 
  • R-Value Work: 0.250 
  • Space Group: P 62
Unit Cell:
Length (Å)Angle (°)
a = 116.360α = 90.00
b = 116.360β = 90.00
c = 95.980γ = 120.00
Software Package:
Software NamePurpose
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2015-06-24
    Type: Initial release
  • Version 2.0: 2018-02-14
    Type: Advisory, Atomic model, Data collection, Database references