6Z9P

Transcription termination intermediate complex 1


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.90 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Steps toward translocation-independent RNA polymerase inactivation by terminator ATPase rho.

Said, N.Hilal, T.Sunday, N.D.Khatri, A.Burger, J.Mielke, T.Belogurov, G.A.Loll, B.Sen, R.Artsimovitch, I.Wahl, M.C.

(2021) Science 371

  • DOI: https://doi.org/10.1126/science.abd1673
  • Primary Citation of Related Structures:  
    6Z9P, 6Z9Q, 6Z9R, 6Z9S, 6Z9T, 7ADB, 7ADC, 7ADD, 7ADE

  • PubMed Abstract: 

    Factor-dependent transcription termination mechanisms are poorly understood. We determined a series of cryo-electron microscopy structures portraying the hexameric adenosine triphosphatase (ATPase) ρ on a pathway to terminating NusA/NusG-modified elongation complexes. An open ρ ring contacts NusA, NusG, and multiple regions of RNA polymerase, trapping and locally unwinding proximal upstream DNA. NusA wedges into the ρ ring, initially sequestering RNA. Upon deflection of distal upstream DNA over the RNA polymerase zinc-binding domain, NusA rotates underneath one capping ρ subunit, which subsequently captures RNA. After detachment of NusG and clamp opening, RNA polymerase loses its grip on the RNA:DNA hybrid and is inactivated. Our structural and functional analyses suggest that ρ, and other termination factors across life, may use analogous strategies to allosterically trap transcription complexes in a moribund state.


  • Organizational Affiliation

    Laboratory of Structural Biochemistry, Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany.


Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Transcription termination/antitermination protein NusGA [auth G]181Escherichia coliMutation(s): 0 
Gene Names: 
UniProt
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UniProt GroupP0AFG0
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Transcription termination factor Rho419Escherichia coliMutation(s): 0 
Gene Names: rhoAC789_1c41660ACN002_3874EL75_4398EL79_4648EL80_4555
EC: 3.6.4
UniProt
Find proteins for P0AG30 (Escherichia coli (strain K12))
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UniProt GroupP0AG30
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Transcription termination/antitermination protein NusAH [auth A]497Escherichia coliMutation(s): 0 
Gene Names: 
UniProt
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UniProt GroupP0AFF6
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit alphaI [auth U],
J [auth V]
329Escherichia coliMutation(s): 0 
Gene Names: rpoApezphssezb3295JW3257
EC: 2.7.7.6
UniProt
Find proteins for P0A7Z4 (Escherichia coli (strain K12))
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UniProt GroupP0A7Z4
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit omegaK [auth W]91Escherichia coliMutation(s): 0 
Gene Names: rpoZb3649JW3624
EC: 2.7.7.6
UniProt
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit betaL [auth X]1,342Escherichia coliMutation(s): 0 
Gene Names: rpoBZ5560ECs4910
EC: 2.7.7.6
UniProt
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit beta'M [auth Y]1,416Escherichia coliMutation(s): 0 
Gene Names: 
EC: 2.7.7.6
UniProt
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Small Molecules
Ligands 5 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
ADP
Query on ADP

Download Ideal Coordinates CCD File 
DA [auth f],
R [auth b],
U [auth c],
X [auth d],
Z [auth e]
ADENOSINE-5'-DIPHOSPHATE
C10 H15 N5 O10 P2
XTWYTFMLZFPYCI-KQYNXXCUSA-N
DG
Query on DG

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IA [auth L]2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE
C10 H14 N5 O7 P
LTFMZDNNPPEQNG-KVQBGUIXSA-N
BEF
Query on BEF

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BA [auth e],
CA [auth e],
Q [auth a],
T [auth b],
W [auth c]
BERYLLIUM TRIFLUORIDE ION
Be F3
OGIAHMCCNXDTIE-UHFFFAOYSA-K
ZN
Query on ZN

Download Ideal Coordinates CCD File 
GA [auth Y],
HA [auth Y]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG
Query on MG

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AA [auth e]
EA [auth f]
FA [auth Y]
S [auth b]
V [auth c]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.90 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONcryoSPARC2.14

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
German Research Foundation (DFG)GermanyRTG 2473-1
German Research Foundation (DFG)GermanyWA 1126/11-1
German Federal Ministry for Education and ResearchGermany01DQ20006

Revision History  (Full details and data files)

  • Version 1.0: 2020-11-04
    Type: Initial release
  • Version 1.1: 2021-02-03
    Changes: Database references