2B63

Complete RNA Polymerase II-RNA inhibitor complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.80 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.252 
  • R-Value Observed: 0.273 

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This is version 1.2 of the entry. See complete history


Literature

Structure of an RNA polymerase II-RNA inhibitor complex elucidates transcription regulation by noncoding RNAs

Kettenberger, H.Eisenfuehr, A.Brueckner, F.Theis, M.Famulok, M.Cramer, P.

(2006) Nat Struct Mol Biol 13: 44-48

  • DOI: 10.1038/nsmb1032
  • Primary Citation of Related Structures:  
    2B63

  • PubMed Abstract: 
  • The noncoding RNA B2 and the RNA aptamer FC bind RNA polymerase (Pol) II and inhibit messenger RNA transcription initiation, but not elongation. We report the crystal structure of FC(*), the central part of FC RNA, bound to Pol II. FC(*) RNA forms a double stem-loop structure in the Pol II active center cleft ...

    The noncoding RNA B2 and the RNA aptamer FC bind RNA polymerase (Pol) II and inhibit messenger RNA transcription initiation, but not elongation. We report the crystal structure of FC(*), the central part of FC RNA, bound to Pol II. FC(*) RNA forms a double stem-loop structure in the Pol II active center cleft. B2 RNA may bind similarly, as it competes with FC(*) RNA for Pol II interaction. Both RNA inhibitors apparently prevent the downstream DNA duplex and the template single strand from entering the cleft after DNA melting and thus interfere with open-complex formation. Elongation is not inhibited, as nucleic acids prebound in the cleft would exclude the RNA inhibitors. The structure also indicates that A-form RNA could interact with Pol II similarly to a B-form DNA promoter, as suggested for the bacterial transcription inhibitor 6S RNA.


    Organizational Affiliation

    Gene Center, University of Munich, Department of Chemistry and Biochemistry, Feodor-Lynen-Str. 25, 81377 Munich, Germany.



Macromolecules

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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II largest subunitB [auth A]1733Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II 140 kDa polypeptideC [auth B]1224Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II 45 kDa polypeptideD [auth C]318Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II 32 kDa polypeptideE [auth D]221Saccharomyces cerevisiaeMutation(s): 0 
Gene Names: RPB4
EC: 2.7.7.6
UniProt
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III 27 kDa polypeptideF [auth E]215Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III 23 kDa polypeptideG [auth F]155Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II 19 kDa polypeptideH [auth G]171Saccharomyces cerevisiaeMutation(s): 0 
Gene Names: RPB7
EC: 2.7.7.6
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III 14.5 kDa polypeptideI [auth H]146Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II subunit 9J [auth I]122Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I/II/III subunit 10K [auth J]70Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 12
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II 13.6 kDa polypeptideL [auth K]120Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III 7.7 kDa polypeptideM [auth L]70Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 1
MoleculeChainsLengthOrganismImage
31-MERA [auth R]31N/A
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Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.80 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.252 
  • R-Value Observed: 0.273 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 224.585α = 90
b = 399.815β = 90
c = 286.727γ = 90
Software Package:
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2005-12-06
    Type: Initial release
  • Version 1.1: 2008-05-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance