2VUM

Alpha-amanitin inhibited complete RNA polymerase II elongation complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.40 Å
  • R-Value Free: 0.288 
  • R-Value Work: 0.255 
  • R-Value Observed: 0.255 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Structural Basis of Transcription Inhibition by Alpha-Amanitin and Implications for RNA Polymerase II Translocation.

Brueckner, F.Cramer, P.

(2008) Nat Struct Mol Biol 15: 811

  • DOI: 10.1038/nsmb.1458
  • Primary Citation of Related Structures:  
    2VUM

  • PubMed Abstract: 
  • To study how RNA polymerase II translocates after nucleotide incorporation, we prepared elongation complex crystals in which pre- and post-translocation states interconvert. Crystal soaking with the inhibitor alpha-amanitin locked the elongation complex in a new state, which was refined at 3 ...

    To study how RNA polymerase II translocates after nucleotide incorporation, we prepared elongation complex crystals in which pre- and post-translocation states interconvert. Crystal soaking with the inhibitor alpha-amanitin locked the elongation complex in a new state, which was refined at 3.4-A resolution and identified as a possible translocation intermediate. The DNA base entering the active site occupies a 'pretemplating' position above the central bridge helix, which is shifted and occludes the templating position. A leucine residue in the trigger loop forms a wedge at the shifted bridge helix, but moves by 13 A to close the active site during nucleotide incorporation. Our results support a Brownian ratchet mechanism that involves swinging of the trigger loop between open, wedged and closed positions, and suggest that alpha-amanitin impairs nucleotide incorporation and translocation by trapping the trigger loop and bridge helix.


    Organizational Affiliation

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



Macromolecules

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB1A1733Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P04050 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P04050 
Go to UniProtKB:  P04050
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP04050
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
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))
Explore P08518 
Go to UniProtKB:  P08518
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP08518
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB3C318Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P16370 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P16370 
Go to UniProtKB:  P16370
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP16370
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB4D221Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P20433 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P20433 
Go to UniProtKB:  P20433
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP20433
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC1E215Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P20434 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P20434 
Go to UniProtKB:  P20434
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP20434
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC2F155Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P20435 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P20435 
Go to UniProtKB:  P20435
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP20435
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7G171Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P34087 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P34087 
Go to UniProtKB:  P34087
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP34087
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC3H146Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P20436 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P20436 
Go to UniProtKB:  P20436
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP20436
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9I122Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P27999 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P27999 
Go to UniProtKB:  P27999
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP27999
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC5J70Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P22139 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P22139 
Go to UniProtKB:  P22139
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP22139
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 11
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11K120Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.7.7.6
UniProt
Find proteins for P38902 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P38902 
Go to UniProtKB:  P38902
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP38902
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 12
MoleculeChainsSequence LengthOrganismDetailsImage
DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC4L70Saccharomyces cerevisiaeMutation(s): 0 
UniProt
Find proteins for P40422 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P40422 
Go to UniProtKB:  P40422
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP40422
Protein Feature View
Expand
  • Reference Sequence

Find similar proteins by:  Sequence   |   3D Structure  

Entity ID: 13
MoleculeChainsSequence LengthOrganismDetailsImage
AMATOXINM8Amanita phalloidesMutation(s): 0 
UniProt
Find proteins for P85421 (Amanita phalloides)
Explore P85421 
Go to UniProtKB:  P85421
Entity Groups  
UniProt GroupP85421
Protein Feature View
Expand
  • Reference Sequence

Find similar nucleic acids by:  Sequence   |   3D Structure  

Entity ID: 14
MoleculeChainsLengthOrganismImage
5'-D(*AP*AP*AP*CP*TP*AP*CP*TP*TP*GP *AP*GP*CP*T)-3'N 14synthetic construct
Protein Feature View
Expand
  • Reference Sequence

Find similar nucleic acids by:  Sequence   |   3D Structure  

Entity ID: 15
MoleculeChainsLengthOrganismImage
5'-R(*AP*AP*AP*GP*AP*CP*CP*AP*GP*GP*C)-3'O [auth P]11synthetic construct
Protein Feature View
Expand
  • Reference Sequence
Find similar nucleic acids by:  (by identity cutoff)  |  3D Structure
Entity ID: 16
MoleculeChainsLengthOrganismImage
5'-D(*AP*GP*CP*TP*CP*AP*AP*GP*TP*AP *GP*TP*TP*AP*CP*GP*CP*CP*BRUP*GP*GP*TP*CP*AP*TP*T)-3'P [auth T]26synthetic construct
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Modified Residues  4 Unique
IDChainsTypeFormula2D DiagramParent
CSX
Query on CSX
M L-PEPTIDE LINKINGC3 H7 N O3 SCYS
HYP
Query on HYP
M L-PEPTIDE LINKINGC5 H9 N O3PRO
ILX
Query on ILX
M L-PEPTIDE LINKINGC6 H13 N O4ILE
TRX
Query on TRX
M L-PEPTIDE LINKINGC11 H12 N2 O3TRP
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.40 Å
  • R-Value Free: 0.288 
  • R-Value Work: 0.255 
  • R-Value Observed: 0.255 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 220.619α = 90
b = 394.234β = 90
c = 283.966γ = 90
Software Package:
Software NamePurpose
CNSrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing

Structure Validation

View Full Validation Report




Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2008-06-17
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Atomic model, Database references, Derived calculations, Structure summary, Version format compliance
  • Version 1.2: 2012-11-30
    Changes: Other
  • Version 1.3: 2018-06-27
    Changes: Data collection, Source and taxonomy, Structure summary