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 

wwPDB Validation 3D Report Full Report


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: 10.1038/nature17394
  • Structures With Same Primary Citation

  • 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 prote ...

    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

    Howard Hughes Medical Institute, University of California, Berkeley, California 94720, USA.



Macromolecules

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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
TATA-BOX-BINDING PROTEINA339Homo sapiensMutation(s): 0 
Gene Names: TBPGTF2D1TF2DTFIID
Find proteins for P20226 (Homo sapiens)
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PHAROS  P20226
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  • Reference Sequence

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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
TRANSCRIPTION INITIATION FACTOR IIA SUBUNIT 1B43Homo sapiensMutation(s): 0 
Gene Names: GTF2A1TF2A1
Find proteins for P52655 (Homo sapiens)
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PHAROS  P52655
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
TRANSCRIPTION INITIATION FACTOR IIA SUBUNIT 1C47Homo sapiensMutation(s): 0 
Gene Names: GTF2A1TF2A1
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PHAROS  P52655
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  • Reference Sequence

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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetails
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 1G1893Homo sapiensMutation(s): 0 
Gene Names: TAF1BA2RCCG1CCGSTAF2A
EC: 2.3.1.48 (PDB Primary Data), 2.7.11.1 (PDB Primary Data)
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PHAROS  P21675
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetails
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 7H349Homo sapiensMutation(s): 0 
Gene Names: TAF7TAF2FTAFII55
Find proteins for Q15545 (Homo sapiens)
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PHAROS  Q15545
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetails
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 2I1199Homo sapiensMutation(s): 0 
Gene Names: TAF2CIF150TAF2B
Find proteins for Q6P1X5 (Homo sapiens)
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PHAROS  Q6P1X5
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetails
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 6J, K677Homo sapiensMutation(s): 0 
Gene Names: TAF6TAF2ETAFII70
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PHAROS  P49848
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetails
TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 8L310Homo sapiensMutation(s): 0 
Gene Names: TAF8TAFII43TBN
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PHAROS  Q7Z7C8
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetails
TRANSCRIPTION INITIATION FACTOR IIA SUBUNIT 2D97Homo sapiensMutation(s): 0 
Gene Names: GTF2A2TF2A2
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PHAROS  P52657
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  • Reference Sequence

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Entity ID: 6
MoleculeChainsLengthOrganism
SUPER CORE PROMOTERF93Homo sapiens

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Entity ID: 5
MoleculeChainsLengthOrganism
SUPER CORE PROMOTERE89Homo sapiens
Small Molecules
Modified Residues  2 Unique
IDChainsTypeFormula2D DiagramParent
SEP
Query on SEP
GL-PEPTIDE LINKINGC3 H8 N O6 PSER
TPO
Query on TPO
GL-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 

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • 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