5N60

Cryo-EM structure of RNA polymerase I in complex with Rrn3 and Core Factor (Orientation I)


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 7.70 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Structural Basis of RNA Polymerase I Transcription Initiation.

Engel, C.Gubbey, T.Neyer, S.Sainsbury, S.Oberthuer, C.Baejen, C.Bernecky, C.Cramer, P.

(2017) Cell 169: 120-131.e22

  • DOI: 10.1016/j.cell.2017.03.003
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Transcription initiation at the ribosomal RNA promoter requires RNA polymerase (Pol) I and the initiation factors Rrn3 and core factor (CF). Here, we combine X-ray crystallography and cryo-electron microscopy (cryo-EM) to obtain a molecular model for ...

    Transcription initiation at the ribosomal RNA promoter requires RNA polymerase (Pol) I and the initiation factors Rrn3 and core factor (CF). Here, we combine X-ray crystallography and cryo-electron microscopy (cryo-EM) to obtain a molecular model for basal Pol I initiation. The three-subunit CF binds upstream promoter DNA, docks to the Pol I-Rrn3 complex, and loads DNA into the expanded active center cleft of the polymerase. DNA unwinding between the Pol I protrusion and clamp domains enables cleft contraction, resulting in an active Pol I conformation and RNA synthesis. Comparison with the Pol II system suggests that promoter specificity relies on a distinct "bendability" and "meltability" of the promoter sequence that enables contacts between initiation factors, DNA, and polymerase.


    Organizational Affiliation

    Department of Molecular Biology, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany. Electronic address: patrick.cramer@mpibpc.mpg.de.



Macromolecules

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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase I subunit RPA190A1664Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPA190RPA1RRN1YOR341WO6276
EC: 2.7.7.6
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase I subunit RPA135B1203Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPA135RPA2RRN2SRP3YPR010CYP9531.03C
EC: 2.7.7.6
Find proteins for P22138 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase I subunit RPA14D137Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPA14YDR156WYD8358.11
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase I subunit RPA12I125Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPA12RRN4YJR063WJ1747
Find proteins for P32529 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I and III subunit RPAC2K142Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPC19YNL113WN1937
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Entity ID: 12
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III subunit RPABC4L70Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPC10RPB12YHR143W-AYHR143BW
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase I subunit RPA49M415Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPA49RRN13YNL248CN0880
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Entity ID: 14
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase I subunit RPA34N233Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPA34YJL148WJ0637
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Entity ID: 15
MoleculeChainsSequence LengthOrganismDetails
RNA polymerase I-specific transcription initiation factor RRN3O627Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RRN3YKL125W
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Entity ID: 16
MoleculeChainsSequence LengthOrganismDetails
RNA polymerase I-specific transcription initiation factor RRN6P894Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RRN6YBL014CYBL0311YBL0312
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Entity ID: 18
MoleculeChainsSequence LengthOrganismDetails
RNA polymerase I-specific transcription initiation factor RRN11R507Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RRN11YML043CYM9827.09C
Find proteins for Q04712 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III subunit RPABC5J70Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPB10YOR210W
Find proteins for P22139 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 17
MoleculeChainsSequence LengthOrganismDetails
RNA polymerase I-specific transcription initiation factor RRN7Q514Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RRN7YJL025WJ1273
Find proteins for P40992 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I and III subunit RPAC1C335Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPC40RPC5YPR110CP8283.18
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III subunit RPABC1E215Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPB5RPA7RPC9YBR154CYBR1204
Find proteins for P20434 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerases I, II, and III subunit RPABC2F155Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPO26RPB6YPR187WP9677.8
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetails
DNA-directed RNA polymerase I subunit RPA43G326Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPA43RRN12YOR340CO6271
Find proteins for P46669 (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 cerevisiae S288CMutation(s): 0 
Gene Names: RPB8YOR224CYOR50-14
Find proteins for P20436 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

Download CCD File 
A, B, I, J, L, Q
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 7.70 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
German Research FoundationGermanySFB860, SPP1935
The Advanced Grant TRANSREGULON from the European Research CouncilGermany693023
Volkswagen FoundationGermany--

Revision History 

  • Version 1.0: 2017-04-05
    Type: Initial release
  • Version 1.1: 2017-04-12
    Changes: Structure summary
  • Version 1.2: 2017-09-06
    Changes: Author supporting evidence, Data collection
  • Version 1.3: 2018-10-03
    Changes: Advisory, Data collection, Derived calculations