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- PDB-6kqd: Thermus thermophilus initial transcription complex comprising sig... -

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Basic information

Entry
Database: PDB / ID: 6kqd
TitleThermus thermophilus initial transcription complex comprising sigma A and 5'-OH RNA of 3 nt
Components
  • (DNA-directed RNA polymerase subunit ...) x 4
  • DNA (5'-D(*CP*CP*T*GP*CP*AP*TP*CP*CP*GP*TP*GP*AP*GP*TP*CP*CP*AP*GP*GP*G)-3')
  • DNA (5'-D(*TP*AP*TP*AP*AP*TP*GP*GP*GP*AP*GP*CP*TP*GP*TP*CP*AP*CP*GP*GP*AP*TP*GP*CP*AP*GP*G*)-3')
  • RNA (5'-R(*GP*GP*A)-3')
  • RNA polymerase sigma factor SigA
KeywordsTRANSCRIPTION / Thermus thermophilus / RNA polymerase / initiation transcription complex / 3nt RNA
Function / homology
Function and homology information


sigma factor activity / DNA-directed RNA polymerase complex / DNA-templated transcription initiation / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / protein dimerization activity / DNA-templated transcription / magnesium ion binding / DNA binding ...sigma factor activity / DNA-directed RNA polymerase complex / DNA-templated transcription initiation / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / protein dimerization activity / DNA-templated transcription / magnesium ion binding / DNA binding / zinc ion binding / metal ion binding / cytoplasm
Similarity search - Function
: / DNA-directed RNA polymerase subunit beta', hybrid domain / RNA polymerase subunit, RPB6/omega / Eukaryotic RPB6 RNA polymerase subunit / DNA-directed RNA polymerase, insert domain / RNA polymerase, RBP11-like subunit / RNA Polymerase Alpha Subunit; Chain A, domain 2 / RNA polymerase sigma factor RpoD, C-terminal / RNA polymerase sigma factor RpoD / RNA polymerase sigma-70 region 1.2 ...: / DNA-directed RNA polymerase subunit beta', hybrid domain / RNA polymerase subunit, RPB6/omega / Eukaryotic RPB6 RNA polymerase subunit / DNA-directed RNA polymerase, insert domain / RNA polymerase, RBP11-like subunit / RNA Polymerase Alpha Subunit; Chain A, domain 2 / RNA polymerase sigma factor RpoD, C-terminal / RNA polymerase sigma factor RpoD / RNA polymerase sigma-70 region 1.2 / Sigma-70 factor, region 1.2 / RNA polymerase sigma-70 region 3 / Sigma-70 region 3 / Sigma-70 factors family signature 2. / RNA polymerase sigma-70 / RNA polymerase sigma-70 region 4 / Sigma-70, region 4 / RNA polymerase sigma-70 region 2 / RNA polymerase sigma-70 like domain / Sigma-70 region 2 / RNA polymerase sigma factor, region 2 / RNA polymerase sigma factor, region 3/4-like / Gyrase A; domain 2 / 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 / Beta Complex / RNA polymerase Rpb6 / RNA polymerase, subunit omega/Rpo6/RPB6 / RNA polymerase Rpb6 / RNA polymerase Rpb1, domain 3 superfamily / RNA polymerase Rpb1, clamp domain superfamily / RPB6/omega subunit-like superfamily / DNA-directed RNA polymerase, subunit beta-prime / RNA polymerase Rpb2, domain 2 superfamily / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb1, domain 1 / RNA polymerase Rpb1, domain 1 / RNA polymerase, alpha subunit / RNA polymerase Rpb1, domain 4 / RNA polymerase Rpb1, domain 2 / RNA polymerase Rpb1, domain 4 / RNA polymerase, beta subunit, protrusion / RNA polymerase beta subunit / RNA polymerase, N-terminal / RNA polymerase Rpb1, funnel domain superfamily / RNA polymerase I subunit A N-terminus / RNA polymerase Rpb1, domain 5 / RNA polymerase Rpb1, domain 5 / 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 / DNA-directed RNA polymerase, insert domain superfamily / 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 / Winged helix-like DNA-binding domain superfamily / Alpha-Beta Complex / 2-Layer Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE / DNA / DNA (> 10) / RNA / DNA-directed RNA polymerase subunit alpha / RNA polymerase sigma factor SigA / DNA-directed RNA polymerase subunit omega / DNA-directed RNA polymerase subunit beta' / DNA-directed RNA polymerase subunit beta
Similarity search - Component
Biological speciesThermus thermophilus (bacteria)
synthetic construct (others)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.3 Å
AuthorsZhang, Y. / Li, L. / Ebright, R.H.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2020
Title: RNA extension drives a stepwise displacement of an initiation-factor structural module in initial transcription.
Authors: Li, L. / Molodtsov, V. / Lin, W. / Ebright, R.H. / Zhang, Y.
History
DepositionAug 17, 2019Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 11, 2020Provider: repository / Type: Initial release
Revision 1.1Mar 18, 2020Group: Database references / Category: citation / Item: _citation.pdbx_database_id_PubMed
Revision 1.2Apr 1, 2020Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Nov 22, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id
Revision 2.0May 29, 2024Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / chem_comp_atom / chem_comp_bond / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_unobs_or_zero_occ_atoms / struct_site
Item: _atom_site.auth_comp_id / _atom_site.label_comp_id ..._atom_site.auth_comp_id / _atom_site.label_comp_id / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _pdbx_entity_nonpoly.comp_id / _pdbx_nonpoly_scheme.mon_id / _pdbx_nonpoly_scheme.pdb_mon_id / _pdbx_unobs_or_zero_occ_atoms.auth_comp_id / _pdbx_unobs_or_zero_occ_atoms.label_comp_id / _struct_site.details / _struct_site.pdbx_auth_comp_id

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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
F: RNA polymerase sigma factor SigA
G: DNA (5'-D(*CP*CP*T*GP*CP*AP*TP*CP*CP*GP*TP*GP*AP*GP*TP*CP*CP*AP*GP*GP*G)-3')
H: DNA (5'-D(*TP*AP*TP*AP*AP*TP*GP*GP*GP*AP*GP*CP*TP*GP*TP*CP*AP*CP*GP*GP*AP*TP*GP*CP*AP*GP*G*)-3')
I: RNA (5'-R(*GP*GP*A)-3')
K: DNA-directed RNA polymerase subunit alpha
L: DNA-directed RNA polymerase subunit alpha
M: DNA-directed RNA polymerase subunit beta
N: DNA-directed RNA polymerase subunit beta'
O: DNA-directed RNA polymerase subunit omega
P: RNA polymerase sigma factor SigA
Q: DNA (5'-D(*CP*CP*T*GP*CP*AP*TP*CP*CP*GP*TP*GP*AP*GP*TP*CP*CP*AP*GP*GP*G)-3')
R: DNA (5'-D(*TP*AP*TP*AP*AP*TP*GP*GP*GP*AP*GP*CP*TP*GP*TP*CP*AP*CP*GP*GP*AP*TP*GP*CP*AP*GP*G*)-3')
S: RNA (5'-R(*GP*GP*A)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)890,49731
Polymers889,37018
Non-polymers1,12613
Water1,928107
1
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
F: RNA polymerase sigma factor SigA
G: DNA (5'-D(*CP*CP*T*GP*CP*AP*TP*CP*CP*GP*TP*GP*AP*GP*TP*CP*CP*AP*GP*GP*G)-3')
H: DNA (5'-D(*TP*AP*TP*AP*AP*TP*GP*GP*GP*AP*GP*CP*TP*GP*TP*CP*AP*CP*GP*GP*AP*TP*GP*CP*AP*GP*G*)-3')
I: RNA (5'-R(*GP*GP*A)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)445,26016
Polymers444,6859
Non-polymers5757
Water1267
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area53770 Å2
ΔGint-237 kcal/mol
Surface area141950 Å2
MethodPISA
2
K: DNA-directed RNA polymerase subunit alpha
L: DNA-directed RNA polymerase subunit alpha
M: DNA-directed RNA polymerase subunit beta
N: DNA-directed RNA polymerase subunit beta'
O: DNA-directed RNA polymerase subunit omega
P: RNA polymerase sigma factor SigA
Q: DNA (5'-D(*CP*CP*T*GP*CP*AP*TP*CP*CP*GP*TP*GP*AP*GP*TP*CP*CP*AP*GP*GP*G)-3')
R: DNA (5'-D(*TP*AP*TP*AP*AP*TP*GP*GP*GP*AP*GP*CP*TP*GP*TP*CP*AP*CP*GP*GP*AP*TP*GP*CP*AP*GP*G*)-3')
S: RNA (5'-R(*GP*GP*A)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)445,23615
Polymers444,6859
Non-polymers5516
Water1267
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area53950 Å2
ΔGint-232 kcal/mol
Surface area141310 Å2
MethodPISA
Unit cell
Length a, b, c (Å)185.501, 104.044, 297.441
Angle α, β, γ (deg.)90.000, 98.500, 90.000
Int Tables number4
Space group name H-MP1211

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Components

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DNA-directed RNA polymerase subunit ... , 4 types, 10 molecules ABKLCMDNEO

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


Mass: 35056.164 Da / Num. of mol.: 4 / Source method: isolated from a natural source
Source: (natural) Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)
Strain: HB8 / ATCC 27634 / DSM 579 / References: UniProt: Q5SHR6, DNA-directed RNA polymerase
#2: Protein DNA-directed RNA polymerase subunit beta / RNAP subunit beta / RNA polymerase subunit beta / Transcriptase subunit beta


Mass: 125436.539 Da / Num. of mol.: 2 / Source method: isolated from a natural source
Source: (natural) Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)
Strain: HB8 / ATCC 27634 / DSM 579 / References: UniProt: Q8RQE9, DNA-directed RNA polymerase
#3: Protein DNA-directed RNA polymerase subunit beta' / RNAP subunit beta' / RNA polymerase subunit beta' / Transcriptase subunit beta'


Mass: 170997.391 Da / Num. of mol.: 2 / Source method: isolated from a natural source
Source: (natural) Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)
Strain: HB8 / ATCC 27634 / DSM 579 / References: UniProt: Q8RQE8, DNA-directed RNA polymerase
#4: Protein DNA-directed RNA polymerase subunit omega / RNAP omega subunit / RNA polymerase omega subunit / Transcriptase subunit omega


Mass: 11533.316 Da / Num. of mol.: 2 / Source method: isolated from a natural source
Source: (natural) Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)
Strain: HB8 / ATCC 27634 / DSM 579 / References: UniProt: Q8RQE7, DNA-directed RNA polymerase

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DNA chain , 2 types, 4 molecules GQHR

#6: DNA chain DNA (5'-D(*CP*CP*T*GP*CP*AP*TP*CP*CP*GP*TP*GP*AP*GP*TP*CP*CP*AP*GP*GP*G)-3')


Mass: 6440.147 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#7: DNA chain DNA (5'-D(*TP*AP*TP*AP*AP*TP*GP*GP*GP*AP*GP*CP*TP*GP*TP*CP*AP*CP*GP*GP*AP*TP*GP*CP*AP*GP*G*)-3')


Mass: 8421.432 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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Protein / RNA chain , 2 types, 4 molecules FPIS

#5: Protein RNA polymerase sigma factor SigA


Mass: 50769.398 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)
Strain: HB8 / ATCC 27634 / DSM 579 / Gene: sigA, TTHA0532 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: Q5SKW1
#8: RNA chain RNA (5'-R(*GP*GP*A)-3')


Mass: 974.660 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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Non-polymers , 4 types, 120 molecules

#9: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: Mg
#10: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Zn
#11: Chemical ChemComp-DGP / 2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE


Mass: 347.221 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H14N5O7P
#12: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 107 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.19 Å3/Da / Density % sol: 61.46 %
Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop
Details: 0.05 M Magnesium chloride, 0.2 M Potassium chloride, 0.1 M Tris-HCl pH 8.0, 10% PEG 4000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X25 / Wavelength: 1.075 Å
DetectorType: DECTRIS PILATUS3 S 6M / Detector: PIXEL / Date: Oct 9, 2012
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.075 Å / Relative weight: 1
ReflectionResolution: 3.3→45 Å / Num. obs: 155222 / % possible obs: 91.6 % / Redundancy: 2.8 % / Rmerge(I) obs: 0.092 / Χ2: 1.006 / Net I/σ(I): 7.1 / Num. measured all: 433949
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique obsΧ2Diffraction-ID% possible all
3.3-3.362.70.5179320.901193.6
3.36-3.422.70.44577760.881193.3
3.42-3.482.70.38879310.897193.4
3.48-3.552.70.33578190.914193.1
3.55-3.632.80.28278300.954193.2
3.63-3.722.80.23678640.958192.9
3.72-3.812.80.19777640.955192.6
3.81-3.912.80.16677860.944192.7
3.91-4.032.80.13378550.982192.5
4.03-4.162.80.10977900.99192.3
4.16-4.312.80.09577441.009191.9
4.31-4.482.80.08177271.016191.8
4.48-4.682.80.07377301.043191.4
4.68-4.932.80.0777521.069191.3
4.93-5.242.80.07276981.018190.8
5.24-5.642.80.07676611.128190.4
5.64-6.212.90.07776921.15190
6.21-7.12.80.05976131.087189.3
7.1-8.942.80.0475911.071188.6
8.94-452.90.03276671.121187

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Processing

Software
NameVersionClassification
HKL-2000data scaling
PHENIX1.14_3260refinement
PDB_EXTRACT3.25data extraction
HKL-2000data reduction
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4G7H

4g7h


Resolution: 3.3→44.351 Å / SU ML: 0.44 / Cross valid method: THROUGHOUT / σ(F): 1.35 / Phase error: 28.02
RfactorNum. reflection% reflection
Rfree0.2499 1337 0.86 %
Rwork0.2067 --
obs0.207 154582 91.3 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 218.5 Å2 / Biso mean: 83.0623 Å2 / Biso min: 18.36 Å2
Refinement stepCycle: final / Resolution: 3.3→44.351 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms55228 1770 55 107 57160
Biso mean--97.03 58.93 -
Num. residues----7060
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork% reflection obs (%)
3.3-3.41790.31231330.28821536492
3.4179-3.55470.28561380.26711556793
3.5547-3.71640.34861370.25451553793
3.7164-3.91220.26521350.23131539593
3.9122-4.15720.27381350.20551545892
4.1572-4.47790.2521340.18991532492
4.4779-4.9280.23861350.17751530491
4.928-5.63980.22211330.19191522691
5.6398-7.10090.24461310.20991514490
7.1009-44.3510.19471260.17441492687

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