1PQV

RNA polymerase II-TFIIS complex

Experimental Data Snapshot

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

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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
  • Primary Citation of Related Structures:  
    1PQV

  • 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 diffraction data to 3 ...

    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 LengthOrganismDetailsImage
DNA-directed RNA polymerase II largest subunitA1733Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II 140 kDa polypeptideB1224Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II 45 kDa polypeptideC318Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II 32 kDa polypeptideD221Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III 27 kDa polypeptideE215Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III 23 kDa polypeptideF155Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II 19 kDa polypeptideG171Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
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 LengthOrganismDetailsImage
DNA-directed RNA polymerase II 14.2 kDa polypeptideI122Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III 8.3 kDa polypeptideJ70Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetailsImage
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 LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III 7.7 kDa polypeptideL70Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetailsImage
Transcription elongation factor S-IIM [auth S]309Saccharomyces cerevisiaeMutation(s): 0 
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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  (Full details and data files)

  • 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