5FUR

Structure of human TFIID-IIA bound to core promoter DNA


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 8.50 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

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This is version 1.2 of the entry. See complete history


Literature

Structure of Promoter-Bound TFIID and Model of Human Pre-Initiation Complex Assembly.

Louder, R.K.He, Y.Lopez-Blanco, J.R.Fang, J.Chacon, P.Nogales, E.

(2016) Nature 531: 604

  • DOI: https://doi.org/10.1038/nature17394
  • Primary Citation of Related Structures:  
    5FUR

  • PubMed Abstract: 

    The general transcription factor IID (TFIID) plays a central role in the initiation of RNA polymerase II (Pol II)-dependent transcription by nucleating pre-initiation complex (PIC) assembly at the core promoter. TFIID comprises the TATA-binding protein (TBP) and 13 TBP-associated factors (TAF1-13), which specifically interact with a variety of core promoter DNA sequences. Here we present the structure of human TFIID in complex with TFIIA and core promoter DNA, determined by single-particle cryo-electron microscopy at sub-nanometre resolution. All core promoter elements are contacted by subunits of TFIID, with TAF1 and TAF2 mediating major interactions with the downstream promoter. TFIIA bridges the TBP-TATA complex with lobe B of TFIID. We also present the cryo-electron microscopy reconstruction of a fully assembled human TAF-less PIC. Superposition of common elements between the two structures provides novel insights into the general role of TFIID in promoter recognition, PIC assembly, and transcription initiation.


  • Organizational Affiliation

    Biophysics Graduate Group, University of California, Berkeley, California 94720, USA.


Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
TATA-BOX-BINDING PROTEIN339Homo sapiensMutation(s): 0 
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GTEx:  ENSG00000112592 
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UniProt GroupP20226
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
TRANSCRIPTION INITIATION FACTOR IIA SUBUNIT 143Homo sapiensMutation(s): 0 
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GTEx:  ENSG00000165417 
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UniProt GroupP52655
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
TRANSCRIPTION INITIATION FACTOR IIA SUBUNIT 147Homo sapiensMutation(s): 0 
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GTEx:  ENSG00000165417 
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
TRANSCRIPTION INITIATION FACTOR IIA SUBUNIT 297Homo sapiensMutation(s): 0 
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GTEx:  ENSG00000140307 
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 11,893Homo sapiensMutation(s): 0 
EC: 2.3.1.48 (PDB Primary Data), 2.7.11.1 (PDB Primary Data)
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GTEx:  ENSG00000147133 
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 7349Homo sapiensMutation(s): 0 
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GTEx:  ENSG00000178913 
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 21,199Homo sapiensMutation(s): 0 
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GTEx:  ENSG00000064313 
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 6
J, K
677Homo sapiensMutation(s): 0 
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GTEx:  ENSG00000106290 
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 8310Homo sapiensMutation(s): 0 
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GTEx:  ENSG00000137413 
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Entity ID: 5
MoleculeChains LengthOrganismImage
SUPER CORE PROMOTER89Homo sapiens
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Entity ID: 6
MoleculeChains LengthOrganismImage
SUPER CORE PROMOTER93Homo sapiens
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Small Molecules
Modified Residues  2 Unique
IDChains TypeFormula2D DiagramParent
SEP
Query on SEP
G
L-PEPTIDE LINKINGC3 H8 N O6 PSER
TPO
Query on TPO
G
L-PEPTIDE LINKINGC4 H10 N O6 PTHR
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 8.50 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONBsoft
RECONSTRUCTIONRELION

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2016-04-06
    Type: Initial release
  • Version 1.1: 2016-04-13
    Changes: Database references
  • Version 1.2: 2017-08-02
    Changes: Data collection