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- PDB-9dr1: E. coli RNA polymerase consensus volume with a bound fluoride rib... -

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Basic information

Entry
Database: PDB / ID: 9dr1
TitleE. coli RNA polymerase consensus volume with a bound fluoride riboswitch in the ligand-bound state
Components
  • (DNA-directed RNA polymerase subunit ...) x 4
  • DNA (30-MER)
  • DNA (39-MER)
  • RNA (5'-R(P*UP*GP*GP*UP*AP*GP*GP*AP*GP*U)-3')
KeywordsTRANSFERASE/DNA/RNA / RNA polymerase / riboswitch / fluoride / TRANSFERASE-DNA-RNA complex
Function / homology
Function and homology information


DNA-directed RNA polymerase complex / ribonucleoside binding / : / : / : / : / : / : / DNA-directed RNA polymerase / protein dimerization activity ...DNA-directed RNA polymerase complex / ribonucleoside binding / : / : / : / : / : / : / DNA-directed RNA polymerase / protein dimerization activity / magnesium ion binding / DNA binding / zinc ion binding / cytoplasm
Similarity search - Function
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, alpha subunit / DNA-directed RNA polymerase beta subunit, bacterial-type / DNA-directed RNA polymerase, subunit beta-prime ...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, alpha subunit / DNA-directed RNA polymerase beta subunit, bacterial-type / 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 Rpb1, funnel domain superfamily / RNA polymerase I subunit A N-terminus / RNA polymerase, RBP11-like subunit / RNA polymerase Rpb2, domain 2 / RNA polymerase Rpb2, domain 2 / 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 / DNA-directed RNA polymerase subunit beta' / DNA-directed RNA polymerase subunit omega / DNA-directed RNA polymerase subunit beta / DNA-directed RNA polymerase subunit alpha
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.7 Å
AuthorsPorta, J.C. / Ellinger, E. / Liu, Y. / Walter, N.G.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R35 GM131922 United States
CitationJournal: To Be Published
Title: Structural basis of RNA-mediated regulation of transcriptional pausing.
Authors: Porta, J.C. / Ellinger, E. / Liu, Y. / Chauvier, A. / Walter, N.G.
History
DepositionSep 24, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 9, 2024Provider: repository / Type: Initial release
Revision 2.0Feb 12, 2025Group: Advisory / Atomic model ...Advisory / Atomic model / Author supporting evidence / Data collection / Data processing / Database references / Derived calculations / Non-polymer description / Polymer sequence / Source and taxonomy / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / chem_comp_atom / chem_comp_bond / database_PDB_caveat / em_3d_reconstruction / em_admin / em_imaging / em_particle_selection / em_software / entity / entity_name_com / entity_poly / entity_poly_seq / entity_src_gen / ndb_struct_na_base_pair / ndb_struct_na_base_pair_step / pdbx_contact_author / pdbx_entity_instance_feature / pdbx_entry_details / pdbx_nonpoly_scheme / pdbx_poly_seq_scheme / pdbx_struct_conn_angle / pdbx_unobs_or_zero_occ_residues / pdbx_validate_polymer_linkage / pdbx_validate_rmsd_angle / struct_conn / struct_ref / struct_ref_seq / struct_ref_seq_dif
Item: _chem_comp.formula / _chem_comp.formula_weight ..._chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.pdbx_synonyms / _chem_comp.type / _em_3d_reconstruction.num_particles / _em_admin.last_update / _em_imaging.microscope_model / _em_particle_selection.num_particles_selected / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_ec / _entity_poly.pdbx_seq_one_letter_code / _entity_poly.pdbx_seq_one_letter_code_can / _entity_src_gen.pdbx_end_seq_num / _entity_src_gen.pdbx_gene_src_gene / _ndb_struct_na_base_pair_step.helical_rise / _ndb_struct_na_base_pair_step.helical_twist / _ndb_struct_na_base_pair_step.inclination / _ndb_struct_na_base_pair_step.j_auth_seq_id_1 / _ndb_struct_na_base_pair_step.j_auth_seq_id_2 / _ndb_struct_na_base_pair_step.j_label_seq_id_1 / _ndb_struct_na_base_pair_step.j_label_seq_id_2 / _ndb_struct_na_base_pair_step.rise / _ndb_struct_na_base_pair_step.roll / _ndb_struct_na_base_pair_step.shift / _ndb_struct_na_base_pair_step.slide / _ndb_struct_na_base_pair_step.step_name / _ndb_struct_na_base_pair_step.tilt / _ndb_struct_na_base_pair_step.tip / _ndb_struct_na_base_pair_step.twist / _ndb_struct_na_base_pair_step.x_displacement / _ndb_struct_na_base_pair_step.y_displacement / _pdbx_entry_details.has_ligand_of_interest / _pdbx_nonpoly_scheme.auth_seq_num / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _struct_ref.db_code / _struct_ref.pdbx_db_accession / _struct_ref_seq.db_align_beg / _struct_ref_seq.db_align_end / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.pdbx_auth_seq_align_end / _struct_ref_seq.pdbx_db_accession / _struct_ref_seq.seq_align_end / _struct_ref_seq_dif.pdbx_seq_db_accession_code
Description: Sequence discrepancy / Provider: author / Type: Coordinate replacement

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA (39-MER)
B: DNA (30-MER)
G: DNA-directed RNA polymerase subunit alpha
H: DNA-directed RNA polymerase subunit alpha
I: DNA-directed RNA polymerase subunit beta
J: DNA-directed RNA polymerase subunit beta'
K: DNA-directed RNA polymerase subunit omega
R: RNA (5'-R(P*UP*GP*GP*UP*AP*GP*GP*AP*GP*U)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)381,3609
Polymers381,3368
Non-polymers241
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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DNA chain , 2 types, 2 molecules AB

#1: DNA chain DNA (39-MER)


Mass: 7942.782 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Production host: Escherichia coli (E. coli)
#2: DNA chain DNA (30-MER)


Mass: 9038.830 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Production host: Escherichia coli (E. coli)

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

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


Mass: 25568.074 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: rpoA, Z4665, ECs4160 / Production host: Escherichia coli (E. coli) / References: UniProt: P0A7Z6, DNA-directed RNA polymerase
#4: Protein DNA-directed RNA polymerase subunit beta


Mass: 150560.562 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: rpoB / Production host: Escherichia coli (E. coli) / References: UniProt: C3SIA7
#5: Protein DNA-directed RNA polymerase subunit beta'


Mass: 150436.344 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: rpoC / Production host: Escherichia coli (E. coli) / References: UniProt: A0A369F490
#6: Protein DNA-directed RNA polymerase subunit omega / RNAP omega subunit / RNA polymerase omega subunit / Transcriptase subunit omega


Mass: 8963.044 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: rpoZ, Ecok1_36260, APECO1_2812 / Production host: Escherichia coli (E. coli) / References: UniProt: A1AHI0, DNA-directed RNA polymerase

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RNA chain / Non-polymers , 2 types, 2 molecules R

#7: RNA chain RNA (5'-R(P*UP*GP*GP*UP*AP*GP*GP*AP*GP*U)-3')


Mass: 3257.980 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Production host: Escherichia coli (E. coli) / References: DNA-directed RNA polymerase
#8: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg

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Details

Has ligand of interestN
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: E. coli RNA polymerase with a bound fluoride riboswitch in the unliganded state
Type: COMPLEX / Entity ID: #1-#7 / Source: RECOMBINANT
Molecular weightValue: 0.356 MDa / Experimental value: YES
Source (natural)Organism: Escherichia coli (E. coli)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.5 / Details: 5 mM Tris-HCl, pH 7.5, 100 mM KCl, 1 mM MgCl2
Buffer component
IDConc.NameFormulaBuffer-ID
1100 mmolPotassium chlorideKCl1
21 mmolMagnesium ChlorideMgCl21
35 mmolTRISC4H11NO31
SpecimenConc.: 5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 400 divisions/in. / Grid type: C-flat
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277.15 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 800 nm / Cs: 2.7 mm / Alignment procedure: BASIC
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 52.6 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.20_4459: / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 98802
3D reconstructionResolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 62088 / Algorithm: BACK PROJECTION / Num. of class averages: 3 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Target criteria: Cross-correlation coefficient
Atomic model buildingPDB-ID: 8G4W

8g4w


Accession code: 8G4W / Source name: PDB / Type: experimental model
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00326524
ELECTRON MICROSCOPYf_angle_d0.51436068
ELECTRON MICROSCOPYf_dihedral_angle_d12.6474061
ELECTRON MICROSCOPYf_chiral_restr0.0414127
ELECTRON MICROSCOPYf_plane_restr0.0034523

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