6CA0 Transcription Dna date Jan 29, 2018
title Cryo-Em Structure Of E. Coli Rnap Sigma70 Open Complex
authors A.Narayanan, F.Vago, K.Li, M.Z.Qayyum, D.Yernool, W.Jiang, K.S.Mur
compound source
Molecule: Dna-Directed Rna Polymerase Subunit Alpha
Chain: A, B
Synonym: Rnap Subunit Alpha,Rna Polymerase Subunit Alpha, Transcriptase Subunit Alpha;
Ec: 2.7.7.6
Engineered: Yes
Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333
Strain: K12
Gene: Rpoa, Pez, Phs, Sez, B3295, Jw3257
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Dna-Directed Rna Polymerase Subunit Beta
Chain: C
Synonym: Rnap Subunit Beta,Rna Polymerase Subunit Beta,Tran Subunit Beta;
Ec: 2.7.7.6
Engineered: Yes

Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333
Strain: K12
Gene: Rpob, Gron, Nitb, Rif, Ron, Stl, Stv, Tabd, B3987, Jw
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Dna-Directed Rna Polymerase Subunit Beta'
Chain: D
Synonym: Rnap Subunit Beta',Rna Polymerase Subunit Beta', Transcriptase Subunit Beta';
Ec: 2.7.7.6
Engineered: Yes

Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333
Strain: K12
Gene: Rpoc, Tabb, B3988, Jw3951
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Dna-Directed Rna Polymerase Subunit Omega
Chain: E
Synonym: Rnap Omega Subunit,Rna Polymerase Omega Subunit, Transcriptase Subunit Omega;
Ec: 2.7.7.6
Engineered: Yes

Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333
Strain: K12
Gene: Rpoz, B3649, Jw3624
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Rna Polymerase Sigma Factor Rpod
Chain: F
Synonym: Sigma-70
Engineered: Yes

Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333
Strain: K12
Gene: Rpod, Alt, B3067, Jw3039
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Dna (45-Mer)
Chain: G
Engineered: Yes

Synthetic: Yes
Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333

Molecule: Dna (35-Mer)
Chain: H
Engineered: Yes

Synthetic: Yes
Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333

Molecule: Dna (5'-D(Ptpcptpgpapcpgpcpgpgpc)-3')
Chain: I
Engineered: Yes

Synthetic: Yes
Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333

Molecule: Dna (5'-D(Pgpcpcpgpcpgptpcpapgpa)-3')
Chain: J
Engineered: Yes

Synthetic: Yes
Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333
symmetry Space Group: P 1
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
1.000 1.000 1.000 90.00 90.00 90.00
method Electron Microscopyresolution 5.75 Å
ligand MG, ZN enzyme Transferase E.C.2.7.7.6 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


C


D


E


F
  • bacterial sigma factor activ...


  • Primary referenceCryo-EM structure of Escherichia coli sigma(70) RNAP and promoter DNA complex revealed a role of sigma non-conserved region during the open complex formation., Narayanan A, Vago FS, Li K, Qayyum MZ, Yernool D, Jiang W, Murakami KS, J Biol Chem. 2018 Mar 26. pii: RA118.002161. doi: 10.1074/jbc.RA118.002161. PMID:29581236
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (571 Kb) [Save to disk]
  • Biological Unit Coordinates (6ca0.pdb1.gz) 564 Kb
  • LPC: Ligand-Protein Contacts for 6CA0
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  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [6ca0_I] [6ca0_G] [6ca0_H] [6ca0_J] [6ca0_C] [6ca0_E] [6ca0_B] [6ca0_F] [6ca0_D] [6ca0_A]
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