3HOW

Complete RNA polymerase II elongation complex III with a T-U mismatch and a frayed RNA 3'-uridine


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.60 Å
  • R-Value Free: 0.254 
  • R-Value Work: 0.214 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Structural basis of transcription: mismatch-specific fidelity mechanisms and paused RNA polymerase II with frayed RNA.

Sydow, J.F.Brueckner, F.Cheung, A.C.M.Damsma, G.E.Dengl, S.Lehmann, E.Vassylyev, D.Cramer, P.

(2009) Mol Cell 34: 710-721

  • DOI: 10.1016/j.molcel.2009.06.002
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • We show that RNA polymerase (Pol) II prevents erroneous transcription in vitro with different strategies that depend on the type of DNARNA base mismatch. Certain mismatches are efficiently formed but impair RNA extension. Other mismatches allow for R ...

    We show that RNA polymerase (Pol) II prevents erroneous transcription in vitro with different strategies that depend on the type of DNARNA base mismatch. Certain mismatches are efficiently formed but impair RNA extension. Other mismatches allow for RNA extension but are inefficiently formed and efficiently proofread by RNA cleavage. X-ray analysis reveals that a TU mismatch impairs RNA extension by forming a wobble base pair at the Pol II active center that dissociates the catalytic metal ion and misaligns the RNA 3' end. The mismatch can also stabilize a paused state of Pol II with a frayed RNA 3' nucleotide. The frayed nucleotide binds in the Pol II pore either parallel or perpendicular to the DNA-RNA hybrid axis (fraying sites I and II, respectively) and overlaps the nucleoside triphosphate (NTP) site, explaining how it halts transcription during proofreading, before backtracking and RNA cleavage.


    Organizational Affiliation

    Department of Chemistry and Biochemistry, Gene Center Munich and Center for Integrated Protein Science CIPSM, Ludwig-Maximilians-Universität München, Feodor-Lynen-Strasse 25, 81377 Munich, Germany.



Macromolecules

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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II subunit RPB2B1224Saccharomyces 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 subunit RPB3C347Saccharomyces 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 subunit RPB4D221Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
Find proteins for P20433 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III subunit RPABC1E215Saccharomyces 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 subunit RPABC2F155Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
Find proteins for P20435 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III subunit RPABC3H146Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II subunit RPB9I122Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III subunit RPABC5J70Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II subunit RPB11K120Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II subunit RPB1A1733Saccharomyces 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 subunit RPABC4L70Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase II subunit RPB7G171Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
Find proteins for P34087 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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  • Reference Sequence

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Entity ID: 14
MoleculeChainsLengthOrganism
5'-D(*AP*GP*CP*TP*C*AP*AP*GP*TP*AP*GP*TP*TP*AP*TP*GP*CP*CP*(BRU)P*GP*GP*TP*CP*AP*TP*T)-3'126N/A
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Entity ID: 15
MoleculeChainsLengthOrganism
5'-R(*UP*GP*CP*AP*UP*UP*U*CP*AP*AP*CP*CP*AP*GP*GP*CP*UP*U)-3'318N/A
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Entity ID: 13
MoleculeChainsLengthOrganism
5'-D(*AP*CP*TP*AP*CP*TP*TP*GP*AP*GP*CP*T)-3'212N/A
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
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: 3.60 Å
  • R-Value Free: 0.254 
  • R-Value Work: 0.214 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 222.645α = 90
b = 395.962β = 90
c = 283.476γ = 90
Software Package:
Software NamePurpose
CNSrefinement

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2009-07-28
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance