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- PDB-8k5a: The cryo-EM map of open TIEA-TEC complex -

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Basic information

Entry
Database: PDB / ID: 8k5a
TitleThe cryo-EM map of open TIEA-TEC complex
Components
  • (DNA (29-MER)) x 2
  • (DNA-directed RNA polymerase subunit ...) x 4
  • 15 kDa RNA polymerase-binding protein
  • RNA (5'-R(*CP*GP*GP*AP*GP*AP*GP*GP*UP*A)-3')
KeywordsTRANSCRIPTION/DNA/RNA / bacteriophage T4 / RNA polymerase / transcription / inhibitor / elongation accelerator / complex / TRANSCRIPTION-DNA-RNA complex
Function / homology
Function and homology information


RNA polymerase complex / submerged biofilm formation / cellular response to cell envelope stress / regulation of DNA-templated transcription initiation / bacterial-type flagellum assembly / bacterial-type RNA polymerase core enzyme binding / cytosolic DNA-directed RNA polymerase complex / bacterial-type flagellum-dependent cell motility / nitrate assimilation / regulation of DNA-templated transcription elongation ...RNA polymerase complex / submerged biofilm formation / cellular response to cell envelope stress / regulation of DNA-templated transcription initiation / bacterial-type flagellum assembly / bacterial-type RNA polymerase core enzyme binding / cytosolic DNA-directed RNA polymerase complex / bacterial-type flagellum-dependent cell motility / nitrate assimilation / regulation of DNA-templated transcription elongation / transcription elongation factor complex / transcription antitermination / cell motility / DNA-templated transcription initiation / ribonucleoside binding / DNA-directed RNA polymerase / DNA-directed RNA polymerase activity / response to heat / protein-containing complex assembly / intracellular iron ion homeostasis / DNA replication / protein dimerization activity / response to antibiotic / magnesium ion binding / DNA binding / zinc ion binding / membrane / cytoplasm / cytosol
Similarity search - Function
Bacteriophage T4, P15K, RNA polymerase binding / Phage RNA polymerase binding, RpbA / DNA-directed RNA polymerase, omega subunit / DNA-directed RNA polymerase, subunit beta-prime, bacterial type / DNA-directed RNA polymerase, beta subunit, external 1 domain superfamily / DNA-directed RNA polymerase, beta subunit, external 1 domain / RNA polymerase beta subunit external 1 domain / RNA polymerase, alpha subunit, C-terminal / Bacterial RNA polymerase, alpha chain C terminal domain / DNA-directed RNA polymerase beta subunit, bacterial-type ...Bacteriophage T4, P15K, RNA polymerase binding / Phage RNA polymerase binding, RpbA / DNA-directed RNA polymerase, omega subunit / DNA-directed RNA polymerase, subunit beta-prime, bacterial type / DNA-directed RNA polymerase, beta subunit, external 1 domain superfamily / DNA-directed RNA polymerase, beta subunit, external 1 domain / RNA polymerase beta subunit external 1 domain / RNA polymerase, alpha subunit, C-terminal / Bacterial RNA polymerase, alpha chain C terminal domain / DNA-directed RNA polymerase beta subunit, bacterial-type / DNA-directed RNA polymerase, alpha subunit / DNA-directed RNA polymerase, subunit beta-prime / RNA polymerase Rpb6 / RNA polymerase, subunit omega/Rpo6/RPB6 / RNA polymerase Rpb6 / RNA polymerase Rpb2, domain 2 superfamily / RNA polymerase Rpb1, domain 3 superfamily / RPB6/omega subunit-like superfamily / DNA-directed RNA polymerase, insert domain / DNA-directed RNA polymerase, RpoA/D/Rpb3-type / RNA polymerase Rpb3/RpoA insert domain / RNA polymerase Rpb3/Rpb11 dimerisation domain / RNA polymerases D / RNA polymerase Rpb1, clamp domain superfamily / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb1, domain 1 / RNA polymerase Rpb1, domain 1 / RNA polymerase, beta subunit, protrusion / RNA polymerase beta subunit / RNA polymerase, alpha subunit / RNA polymerase Rpb1, domain 5 / RNA polymerase Rpb1, domain 4 / RNA polymerase Rpb1, domain 2 / RNA polymerase Rpb1, domain 5 / RNA polymerase Rpb1, domain 4 / DNA-directed RNA polymerase, insert domain superfamily / RNA polymerase, N-terminal / RNA polymerase Rpb2, domain 2 / RNA polymerase Rpb1, funnel domain superfamily / RNA polymerase Rpb2, domain 2 / RNA polymerase I subunit A N-terminus / RNA polymerase, RBP11-like subunit / RNA polymerase, beta subunit, conserved site / RNA polymerase Rpb2, domain 7 / RNA polymerase Rpb2, domain 3 / RNA polymerase Rpb2, OB-fold / RNA polymerase Rpb2, domain 7 / RNA polymerase Rpb2, domain 3 / RNA polymerases beta chain signature. / DNA-directed RNA polymerase, subunit 2, hybrid-binding domain / DNA-directed RNA polymerase, subunit 2 / DNA-directed RNA polymerase, subunit 2, hybrid-binding domain superfamily / RNA polymerase Rpb2, domain 6
Similarity search - Domain/homology
DNA / DNA (> 10) / RNA / 15 kDa RNA polymerase-binding protein / DNA-directed RNA polymerase subunit alpha / DNA-directed RNA polymerase subunit omega / DNA-directed RNA polymerase subunit beta' / DNA-directed RNA polymerase subunit beta
Similarity search - Component
Biological speciesEscherichia coli K-12 (bacteria)
Escherichia phage T4 (virus)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.3 Å
AuthorsZhang, K.N. / Liu, Y. / Chen, M. / Wang, Y. / Lin, W. / Li, M. / Zhang, X. / Gao, Y. / Gong, Q. / Chen, H. ...Zhang, K.N. / Liu, Y. / Chen, M. / Wang, Y. / Lin, W. / Li, M. / Zhang, X. / Gao, Y. / Gong, Q. / Chen, H. / Steve, M. / Li, S. / Zhang, K. / Liu, B.
Funding support China, 1items
OrganizationGrant numberCountry
Other government China
CitationJournal: To Be Published
Title: TIEA inhibits sigma70-dependent transcriptions, accelerates elongation speed and elevates transcription error
Authors: Zhang, K.N. / Liu, Y. / Chen, M. / Wang, Y. / Lin, W. / Li, M. / Zhang, X. / Gao, Y. / Gong, Q. / Chen, H. / Steve, M. / Li, S. / Zhang, K. / Liu, B.
History
DepositionJul 21, 2023Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Jul 24, 2024Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Additional map / Data content type: Additional map / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Additional map / Data content type: Additional map / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jul 24, 2024Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.1Oct 23, 2024Group: Data collection / Structure summary
Category: em_admin / em_entity_assembly ...em_admin / em_entity_assembly / pdbx_entry_details / struct
Item: _em_admin.last_update / _em_admin.title ..._em_admin.last_update / _em_admin.title / _em_entity_assembly.name / _struct.title
Revision 1.2Jul 23, 2025Group: Data collection / Category: em_admin / em_software / Item: _em_admin.last_update / _em_software.name
Revision 1.1Jul 23, 2025Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Data processing / Experimental summary / Data content type: EM metadata / EM metadata / Category: em_admin / em_software / Data content type: EM metadata / EM metadata / Item: _em_admin.last_update / _em_software.name

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA-directed RNA polymerase subunit alpha
B: DNA-directed RNA polymerase subunit alpha
C: DNA-directed RNA polymerase subunit beta
D: DNA-directed RNA polymerase subunit beta'
E: DNA-directed RNA polymerase subunit omega
G: 15 kDa RNA polymerase-binding protein
H: DNA (29-MER)
I: DNA (29-MER)
J: RNA (5'-R(*CP*GP*GP*AP*GP*AP*GP*GP*UP*A)-3')


Theoretical massNumber of molelcules
Total (without water)397,0719
Polymers397,0719
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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DNA-directed RNA polymerase subunit ... , 4 types, 5 molecules ABCDE

#1: Protein DNA-directed RNA polymerase subunit alpha / RNAP subunit alpha / RNA polymerase subunit alpha / Transcriptase subunit alpha


Mass: 25612.111 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli K-12 (bacteria) / Gene: rpoA, pez, phs, sez, b3295, JW3257 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P0A7Z4, DNA-directed RNA polymerase
#2: Protein DNA-directed RNA polymerase subunit beta / RNAP subunit beta / RNA polymerase subunit beta / Transcriptase subunit beta


Mass: 150590.547 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli K-12 (bacteria)
Gene: rpoB, groN, nitB, rif, ron, stl, stv, tabD, b3987, JW3950
Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P0A8V2, DNA-directed RNA polymerase
#3: Protein DNA-directed RNA polymerase subunit beta' / RNAP subunit beta' / RNA polymerase subunit beta' / Transcriptase subunit beta'


Mass: 150865.766 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli K-12 (bacteria) / Gene: rpoC, tabB, b3988, JW3951 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P0A8T7, DNA-directed RNA polymerase
#4: Protein DNA-directed RNA polymerase subunit omega / RNAP omega subunit / RNA polymerase omega subunit / Transcriptase subunit omega


Mass: 8649.695 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli K-12 (bacteria) / Gene: rpoZ, b3649, JW3624 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P0A800, DNA-directed RNA polymerase

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DNA chain , 2 types, 2 molecules HI

#6: DNA chain DNA (29-MER)


Mass: 8813.646 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria)
#7: DNA chain DNA (29-MER)


Mass: 8915.744 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria)

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Protein / RNA chain , 2 types, 2 molecules GJ

#5: Protein 15 kDa RNA polymerase-binding protein / P15k


Mass: 14731.656 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia phage T4 (virus) / Gene: rpbA, 45.1 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P07879
#8: RNA chain RNA (5'-R(*CP*GP*GP*AP*GP*AP*GP*GP*UP*A)-3')


Mass: 3280.036 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria)

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Details

Has protein modificationN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: The cryo-EM map of open TIEA-TEC complex / Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Molecular weightValue: 0.4 MDa / Experimental value: YES
Source (natural)Organism: Escherichia coli (strain K12) (bacteria)
Source (recombinant)Organism: Escherichia coli BL21(DE3) (bacteria)
Buffer solutionpH: 8
SpecimenConc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 105000 X / Nominal defocus max: 3000 nm / Nominal defocus min: 1200 nm
Specimen holderCryogen: NITROGEN
Image recordingAverage exposure time: 3 sec. / Electron dose: 60 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of real images: 8645
Image scansWidth: 4092 / Height: 5760

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Processing

EM software
IDNameVersionCategory
2EPUimage acquisition
8PHENIXmodel refinement
12cryoSPARC2.2classification
13cryoSPARC4.2.13D reconstruction
CTF correctionType: NONE
Particle selectionNum. of particles selected: 3465772
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 225078 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00428044
ELECTRON MICROSCOPYf_angle_d0.68438144
ELECTRON MICROSCOPYf_dihedral_angle_d12.8034295
ELECTRON MICROSCOPYf_chiral_restr0.0444349
ELECTRON MICROSCOPYf_plane_restr0.0054798

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