3LU0 image
Deposition Date 2010-02-16
Release Date 2010-09-29
Last Version Date 2024-02-21
Entry Detail
PDB ID:
3LU0
Keywords:
Title:
Molecular model of Escherichia coli core RNA polymerase
Biological Source:
Source Organism:
Host Organism:
Method Details:
Experimental Method:
Resolution:
11.20 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase subunit alpha
Gene (Uniprot):rpoA
Chain IDs:A, B
Chain Length:329
Number of Molecules:2
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase subunit beta
Gene (Uniprot):rpoB
Chain IDs:C
Chain Length:1342
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase subunit beta'
Gene (Uniprot):rpoC
Chain IDs:D
Chain Length:1407
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase subunit omega
Gene (Uniprot):rpoZ
Chain IDs:E
Chain Length:91
Number of Molecules:1
Biological Source:Escherichia coli
Primary Citation
Complete structural model of Escherichia coli RNA polymerase from a hybrid approach.
Plos Biol. 8 e1000483 ? (2010)
PMID: 20856905 DOI: 10.1371/journal.pbio.1000483

Abstact

The Escherichia coli transcription system is the best characterized from a biochemical and genetic point of view and has served as a model system. Nevertheless, a molecular understanding of the details of E. coli transcription and its regulation, and therefore its full exploitation as a model system, has been hampered by the absence of high-resolution structural information on E. coli RNA polymerase (RNAP). We use a combination of approaches, including high-resolution X-ray crystallography, ab initio structural prediction, homology modeling, and single-particle cryo-electron microscopy, to generate complete atomic models of E. coli core RNAP and an E. coli RNAP ternary elongation complex. The detailed and comprehensive structural descriptions can be used to help interpret previous biochemical and genetic data in a new light and provide a structural framework for designing experiments to understand the function of the E. coli lineage-specific insertions and their role in the E. coli transcription program.

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Primary Citation of related structures