3GTJ

Backtracked RNA polymerase II complex with 13mer RNA

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.42 Å
  • R-Value Free: 0.292 
  • R-Value Work: 0.282 
  • R-Value Observed: 0.282 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history. 


Literature

Structural basis of transcription: backtracked RNA polymerase II at 3.4 angstrom resolution.

Wang, D., Bushnell, D.A., Huang, X., Westover, K.D., Levitt, M., Kornberg, R.D.

(2009) Science 324: 1203-1206

  • DOI: 10.1126/science.1168729
  • Primary Citation of Related Structures:  
    3GTG, 3GTJ, 3GTK, 3GTL, 3GTM, 3GTO, 3GTP, 3GTQ

  • PubMed Abstract: 

    • Transcribing RNA polymerases oscillate between three stable states, two of which, pre- and posttranslocated, were previously subjected to x-ray crystal structure determination. We report here the crystal structure of RNA polymerase II in the third state, the reverse translocated, or "backtracked" state ...

    Transcribing RNA polymerases oscillate between three stable states, two of which, pre- and posttranslocated, were previously subjected to x-ray crystal structure determination. We report here the crystal structure of RNA polymerase II in the third state, the reverse translocated, or "backtracked" state. The defining feature of the backtracked structure is a binding site for the first backtracked nucleotide. This binding site is occupied in case of nucleotide misincorporation in the RNA or damage to the DNA, and is termed the "P" site because it supports proofreading. The predominant mechanism of proofreading is the excision of a dinucleotide in the presence of the elongation factor SII (TFIIS). Structure determination of a cocrystal with TFIIS reveals a rearrangement whereby cleavage of the RNA may take place.

    Organizational Affiliation: 

    Department of Structural Biology, Stanford University School of Medicine, Stanford, CA 94305, USA.



Macromolecules

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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II subunit RPB1A1733Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II subunit RPB2B1224Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P08518 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II subunit RPB3C318Saccharomyces cerevisiaeMutation(s): 0 
UniProt
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III subunit RPABC1D [auth E]215Saccharomyces cerevisiaeMutation(s): 0 
UniProt
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III subunit RPABC2E [auth F]155Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III subunit RPABC3F [auth H]146Saccharomyces cerevisiaeMutation(s): 0 
UniProt
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II subunit RPB9G [auth I]122Saccharomyces cerevisiaeMutation(s): 0 
UniProt
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III subunit RPABC5H [auth J]70Saccharomyces cerevisiaeMutation(s): 0 
UniProt
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerase II subunit RPB11I [auth K]120Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-directed RNA polymerases I, II, and III subunit RPABC4J [auth L]70Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 11
MoleculeChainsLengthOrganismImage
RNA (5'-R(*AP*UP*CP*GP*AP*GP*AP*GP*GP*AP*UP*GP*C)-3')K [auth R]13N/A
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Entity ID: 12
MoleculeChainsLengthOrganismImage
DNA (28-MER)L [auth T]28N/A
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Entity ID: 13
MoleculeChainsLengthOrganismImage
DNA (5'-D(*CP*TP*GP*CP*TP*TP*AP*TP*CP*GP*GP*TP*AP*G)-3')M [auth N]14N/A
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Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.42 Å
  • R-Value Free: 0.292 
  • R-Value Work: 0.282 
  • R-Value Observed: 0.282 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 170.916α = 90
b = 225.5β = 101.21
c = 195.932γ = 90
Software Package:
Software NamePurpose
MAR345data collection
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2009-06-09
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2017-11-01
    Changes: Refinement description