7C97 | pdb_00007c97

Cryo-EM structure of an Escherichia coli RNAP-promoter open complex (RPo) with SspA


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.68 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation 3D Report Full Report

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This is version 1.2 of the entry. See complete history

Literature

Structural basis for transcription inhibition by E. coli SspA

Wei, L.Yu, F.

(2020) Nucleic Acids Res 

Macromolecule Content 

  • Total Structure Weight: 584.1 kDa 
  • Atom Count: 35,049 
  • Modeled Residue Count: 4,275 
  • Deposited Residue Count: 4,990 
  • Unique protein chains: 6
  • Unique nucleic acid chains: 2

Macromolecules


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Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Stringent starvation protein AB [auth I],
C [auth J]
212Escherichia coliMutation(s): 0 
Gene Names: sspA
EC: 2.5.1.18
UniProt
Find proteins for P0ACA3 (Escherichia coli (strain K12))
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UniProt GroupP0ACA3
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Reference Sequence
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Entity ID: 3
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit alphaD [auth K],
E [auth A],
F [auth B]
329Escherichia coliMutation(s): 0 
Gene Names: rpoAECPG_02615
EC: 2.7.7.6
UniProt
Find proteins for P0A7Z4 (Escherichia coli (strain K12))
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Reference Sequence
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Entity ID: 4
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit betaG [auth C]1,342Escherichia coli K-12Mutation(s): 1 
Gene Names: rpoBgroNnitBrifronstlstvtabDb3987JW3950
EC: 2.7.7.6
UniProt
Find proteins for P0A8V2 (Escherichia coli (strain K12))
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UniProt GroupP0A8V2
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Reference Sequence
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Entity ID: 5
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit beta'H [auth D]1,407Escherichia coliMutation(s): 0 
Gene Names: rpoC
EC: 2.7.7.6
UniProt
Find proteins for P0A8T7 (Escherichia coli (strain K12))
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Reference Sequence
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Entity ID: 6
MoleculeChains  Sequence LengthOrganismDetailsImage
DNA-directed RNA polymerase subunit omegaI [auth E]91Escherichia coliMutation(s): 0 
Gene Names: rpoZ
EC: 2.7.7.6
UniProt
Find proteins for P0A800 (Escherichia coli (strain K12))
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Reference Sequence
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Entity ID: 7
MoleculeChains  Sequence LengthOrganismDetailsImage
RNA polymerase sigma factor RpoDJ [auth F]613Escherichia coliMutation(s): 0 
Gene Names: rpoD
UniProt
Find proteins for P00579 (Escherichia coli (strain K12))
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UniProt GroupP00579
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Reference Sequence
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Entity ID: 1
MoleculeChains LengthOrganismImage
DNA (63-mer)A [auth H]63Escherichia coli
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Reference Sequence
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Entity ID: 8
MoleculeChains LengthOrganismImage
DNA (63-mer)K [auth G]63Escherichia coli
Sequence Annotations
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Reference Sequence

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.68 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONRELION3.0

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2020-08-12
    Type: Initial release
  • Version 1.1: 2020-08-26
    Changes: Source and taxonomy
  • Version 1.2: 2024-03-27
    Changes: Data collection, Database references