1PQV

RNA polymerase II-TFIIS complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.80 Å

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Architecture of the RNA Polymerase II-TFIIS Complex and Implications for mRNA Cleavage

Kettenberger, H.Armache, K.-J.Cramer, P.

(2003) Cell 114: 347-357

  • DOI: 10.1016/s0092-8674(03)00598-1
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • The transcription elongation factor TFIIS induces mRNA cleavage by enhancing the intrinsic nuclease activity of RNA polymerase (Pol) II. We have diffused TFIIS into Pol II crystals and derived a model of the Pol II-TFIIS complex from X-ray diffractio ...

    The transcription elongation factor TFIIS induces mRNA cleavage by enhancing the intrinsic nuclease activity of RNA polymerase (Pol) II. We have diffused TFIIS into Pol II crystals and derived a model of the Pol II-TFIIS complex from X-ray diffraction data to 3.8 A resolution. TFIIS extends from the polymerase surface via a pore to the internal active site, spanning a distance of 100 A. Two essential and invariant acidic residues in a TFIIS loop complement the Pol II active site and could position a metal ion and a water molecule for hydrolytic RNA cleavage. TFIIS also induces extensive structural changes in Pol II that would realign nucleic acids in the active center. Our results support the idea that Pol II contains a single tunable active site for RNA polymerization and cleavage, in contrast to DNA polymerases with two separate active sites for DNA polymerization and cleavage.


    Related Citations: 
    • Architecture of initiation-competent 12-subunit RNA polymerase II
      Armache, K.-J., Kettenberger, H., Cramer, P.
      (2003) Proc Natl Acad Sci U S A 100: 6964

    Organizational Affiliation

    Institute of Biochemistry, Gene Center, University of Munich, Feodor-Lynen-Str. 25, 81377 Munich, Germany.



Macromolecules

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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II largest subunitA1733Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
Find proteins for P04050 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II 140 kDa polypeptideB1224Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
Find proteins for P08518 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II 45 kDa polypeptideC318Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
Find proteins for P16370 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II 32 kDa polypeptideD221Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III 23 kDa polypeptideF155Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
Find proteins for P20435 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II 19 kDa polypeptideG171Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III 14.5 kDa polypeptideH146Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II 14.2 kDa polypeptideI122Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II 13.6 kDa polypeptideK120Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 12
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III 7.7 kDa polypeptideL70Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetails
Transcription elongation factor S-IIS309Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III 8.3 kDa polypeptideJ70Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
Find proteins for P22139 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III 27 kDa polypeptideE215Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
Find proteins for P20434 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

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A, B, C, I, J, L, S
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
MG
Query on MG

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A
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.80 Å
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 218.9α = 90
b = 395.3β = 90
c = 281γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
Omodel building
CNSrefinement

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2003-08-19
    Type: Initial release
  • Version 1.1: 2007-10-16
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance