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- PDB-7mk9: Complex structure of trailing EC of EC+EC (trailing EC-focused) -

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Basic information

Entry
Database: PDB / ID: 7mk9
TitleComplex structure of trailing EC of EC+EC (trailing EC-focused)
Components
  • (DNA (40-MER)) x 2
  • (DNA-directed RNA polymerase ...Polymerase) x 7
  • (DNA-directed RNA polymerases I, II, and III subunit ...RNA polymerase) x 2
  • (DNA-directed RNA polymerases II subunit ...RNA polymerase) x 2
  • (Transcription initiation factor IIF subunit ...) x 2
  • DNA-directed RNA polymerases I,II,and III subunit RPABC2
  • RNA (5'-R(P*UP*CP*GP*AP*GP*AP*GP*GP*AP*UP*CP*CP*CP*AP*A)-3')
KeywordsTRANSCRIPTION / pol II
Function / homology
Function and homology information


nuclear DNA-directed RNA polymerase complex / TFIIF-class transcription factor complex binding / transcriptional start site selection at RNA polymerase II promoter / transcription factor TFIIF complex / Processing of Capped Intron-Containing Pre-mRNA / RNA polymerase complex / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / mRNA Capping / RNA polymerase II transcribes snRNA genes ...nuclear DNA-directed RNA polymerase complex / TFIIF-class transcription factor complex binding / transcriptional start site selection at RNA polymerase II promoter / transcription factor TFIIF complex / Processing of Capped Intron-Containing Pre-mRNA / RNA polymerase complex / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / mRNA Capping / RNA polymerase II transcribes snRNA genes / TP53 Regulates Transcription of DNA Repair Genes / Estrogen-dependent gene expression / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Initiation And Promoter Clearance / RNA polymerase II general transcription initiation factor activity / RNA Polymerase II Pre-transcription Events / protein phosphatase activator activity / RNA polymerase II activity / RNA polymerase II, core complex / RNA polymerase II preinitiation complex assembly / DNA-directed RNA polymerase complex / transcription elongation by RNA polymerase II / DNA-templated transcription initiation / transcription initiation at RNA polymerase II promoter / positive regulation of transcription elongation by RNA polymerase II / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / transcription by RNA polymerase II / nucleic acid binding / protein dimerization activity / nucleotide binding / DNA-templated transcription / nucleolus / regulation of DNA-templated transcription / DNA binding / zinc ion binding / metal ion binding / nucleus
Similarity search - Function
: / Transcription initiation factor IIF, beta subunit / TFIIF beta subunit, HTH domain / TFIIF, beta subunit, N-terminal / TFIIF, beta subunit HTH domain / TFIIF, beta subunit N-terminus / Transcription initiation factor IIF, alpha subunit / Transcription initiation factor IIF, alpha subunit (TFIIF-alpha) / Transcription Factor IIF, Rap30/Rap74, interaction / DNA-directed RNA polymerase II subunit Rpb4-like ...: / Transcription initiation factor IIF, beta subunit / TFIIF beta subunit, HTH domain / TFIIF, beta subunit, N-terminal / TFIIF, beta subunit HTH domain / TFIIF, beta subunit N-terminus / Transcription initiation factor IIF, alpha subunit / Transcription initiation factor IIF, alpha subunit (TFIIF-alpha) / Transcription Factor IIF, Rap30/Rap74, interaction / DNA-directed RNA polymerase II subunit Rpb4-like / RNA polymerase Rpb4/RPC9, core / DNA-directed RNA-polymerase II subunit / RNA polymerase II, heptapeptide repeat, eukaryotic / RNA polymerase Rpb1, domain 6 / RNA polymerase Rpb1, domain 6 / RNA polymerase Rpb1 C-terminal repeat / Eukaryotic RNA polymerase II heptapeptide repeat. / RNA polymerase Rpb1, domain 7 / RNA polymerase Rpb1, domain 7 superfamily / RNA polymerase Rpb1, domain 7 / Pol II subunit B9, C-terminal zinc ribbon / RNA polymerase RBP11 / Rpb4/RPC9 superfamily / RNA polymerase subunit Rpb4/RPC9 / RNA polymerase Rpb4 / Zinc finger TFIIS-type signature. / HRDC-like superfamily / RNA polymerase subunit Rpb7-like / RNA polymerase Rpb7-like , N-terminal / RNA polymerase Rpb7-like, N-terminal domain superfamily / SHS2 domain found in N terminus of Rpb7p/Rpc25p/MJ0397 / RNA polymerase Rpb2, domain 4 / RNA polymerase Rpb2, domain 4 / RNA polymerase Rpb2, domain 5 / RNA polymerase Rpb2, domain 5 / DNA-directed RNA polymerase subunit RPABC5/Rpb10 / RNA polymerases, subunit N, zinc binding site / RNA polymerase subunit RPB10 / RNA polymerases N / 8 kDa subunit / RNA polymerases N / 8 Kd subunits signature. / DNA-directed RNA polymerase, M/15kDa subunit / RNA polymerases M/15 Kd subunit / RNA polymerase subunit 9 / DNA-directed RNA polymerase M, 15kDa subunit, conserved site / RNA polymerases M / 15 Kd subunits signature. / DNA-directed RNA polymerase subunit/transcription factor S / RNA polymerase, Rpb8 / DNA-directed RNA polymerases I, II, and III subunit RPABC4 / RNA polymerase Rpb8 / RNA polymerase subunit 8 / RNA polymerase, Rpb5, N-terminal / RNA polymerase Rpb5, N-terminal domain superfamily / RNA polymerase Rpb5, N-terminal domain / DNA-directed RNA polymerase, subunit RPB6 / DNA-directed RNA polymerase subunit Rpo11 / DNA directed RNA polymerase, 7 kDa subunit / RNA polymerase archaeal subunit P/eukaryotic subunit RPABC4 / RNA polymerase, subunit H/Rpb5, conserved site / RNA polymerases H / 23 Kd subunits signature. / RNA polymerase subunit CX / DNA-directed RNA polymerase Rpb11, 13-16kDa subunit, conserved site / DNA-directed RNA polymerase subunit Rpo5/Rpb5 / RNA polymerases L / 13 to 16 Kd subunits signature. / DNA-directed RNA polymerase, 30-40kDa subunit, conserved site / DNA-directed RNA polymerase subunit Rpo3/Rpb3/RPAC1 / RNA polymerases D / 30 to 40 Kd subunits signature. / DNA-directed RNA polymerase, RBP11-like dimerisation domain / RNA polymerase Rpb3/Rpb11 dimerisation domain / RNA polymerase, subunit H/Rpb5 C-terminal / RNA polymerase subunit RPABC4/transcription elongation factor Spt4 / RPB5-like RNA polymerase subunit superfamily / RNA polymerase Rpb5, C-terminal domain / Zinc finger, TFIIS-type / Transcription factor S-II (TFIIS) / Zinc finger TFIIS-type profile. / C2C2 Zinc finger / Archaeal Rpo6/eukaryotic RPB6 RNA polymerase subunit / DNA-directed RNA polymerase, 14-18kDa subunit, conserved site / RNA polymerases K / 14 to 18 Kd subunits signature. / Ribosomal protein S1-like RNA-binding domain / S1 RNA binding domain / S1 domain / 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 Rpb1, domain 3 / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb2, domain 2 superfamily / 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, N-terminal / RNA polymerase Rpb1, funnel domain superfamily
Similarity search - Domain/homology
DNA / DNA (> 10) / RNA / RNA (> 10) / RPB4 isoform 1 / RPC10 isoform 1 / TFG2 isoform 1 / RPB3 isoform 1 / DNA-directed RNA polymerase subunit / DNA-directed RNA polymerase subunit ...DNA / DNA (> 10) / RNA / RNA (> 10) / RPB4 isoform 1 / RPC10 isoform 1 / TFG2 isoform 1 / RPB3 isoform 1 / DNA-directed RNA polymerase subunit / DNA-directed RNA polymerase subunit / DNA-directed RNA polymerases I, II, and III subunit RPABC1 / DNA-directed RNA polymerase subunit beta / RPB11 isoform 1 / RPB10 isoform 1 / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerases I, II, and III subunit RPABC2 / DNA-directed RNA polymerase subunit / Transcription initiation factor IIF subunit alpha
Similarity search - Component
Biological speciesSaccharomyces cerevisiae (brewer's yeast)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.54 Å
AuthorsYang, C. / Murakami, K.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: Mol Cell / Year: 2022
Title: Structural visualization of de novo transcription initiation by Saccharomyces cerevisiae RNA polymerase II.
Authors: Chun Yang / Rina Fujiwara / Hee Jong Kim / Pratik Basnet / Yunye Zhu / Jose J Gorbea Colón / Stefan Steimle / Benjamin A Garcia / Craig D Kaplan / Kenji Murakami /
Abstract: Previous structural studies of the initiation-elongation transition of RNA polymerase II (pol II) transcription have relied on the use of synthetic oligonucleotides, often artificially discontinuous ...Previous structural studies of the initiation-elongation transition of RNA polymerase II (pol II) transcription have relied on the use of synthetic oligonucleotides, often artificially discontinuous to capture pol II in the initiating state. Here, we report multiple structures of initiation complexes converted de novo from a 33-subunit yeast pre-initiation complex (PIC) through catalytic activities and subsequently stalled at different template positions. We determine that PICs in the initially transcribing complex (ITC) can synthesize a transcript of ∼26 nucleotides before transitioning to an elongation complex (EC) as determined by the loss of general transcription factors (GTFs). Unexpectedly, transition to an EC was greatly accelerated when an ITC encountered a downstream EC stalled at promoter proximal regions and resulted in a collided head-to-end dimeric EC complex. Our structural analysis reveals a dynamic state of TFIIH, the largest of GTFs, in PIC/ITC with distinct functional consequences at multiple steps on the pathway to elongation.
History
DepositionApr 22, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 27, 2022Provider: repository / Type: Initial release
Revision 1.1May 17, 2023Group: Database references / Refinement description
Category: citation / citation_author / pdbx_initial_refinement_model
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
N: DNA (40-MER)
O: DNA (40-MER)
A: DNA-directed RNA polymerase subunit
B: DNA-directed RNA polymerase subunit beta
C: DNA-directed RNA polymerase II subunit RPB3
D: DNA-directed RNA polymerase II subunit RPB4
E: DNA-directed RNA polymerases I, II, and III subunit RPABC1
F: DNA-directed RNA polymerases I,II,and III subunit RPABC2
G: DNA-directed RNA polymerase II subunit RPB7
H: DNA-directed RNA polymerases I, II, and III subunit RPABC3
I: DNA-directed RNA polymerase II subunit RPB9
J: DNA-directed RNA polymerases II subunit RPABC5
K: DNA-directed RNA polymerase II subunit RPB11
L: DNA-directed RNA polymerases II subunit RPABC4
R: RNA (5'-R(P*UP*CP*GP*AP*GP*AP*GP*GP*AP*UP*CP*CP*CP*AP*A)-3')
Q: Transcription initiation factor IIF subunit alpha
M: Transcription initiation factor IIF subunit beta
hetero molecules


Theoretical massNumber of molelcules
Total (without water)673,14627
Polymers672,57417
Non-polymers57210
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: cross-linking
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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DNA chain , 2 types, 2 molecules NO

#1: DNA chain DNA (40-MER)


Mass: 12307.022 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast)
#2: DNA chain DNA (40-MER)


Mass: 12425.963 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast)

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DNA-directed RNA polymerase ... , 7 types, 7 molecules ABCDGIK

#3: Protein DNA-directed RNA polymerase subunit / Polymerase


Mass: 191821.578 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast)
References: UniProt: A0A6A5Q1P2, DNA-directed RNA polymerase
#4: Protein DNA-directed RNA polymerase subunit beta / Polymerase


Mass: 138937.297 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast)
References: UniProt: A0A6A5Q4H2, DNA-directed RNA polymerase
#5: Protein DNA-directed RNA polymerase II subunit RPB3 / Polymerase


Mass: 35330.457 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6A5Q0Z3
#6: Protein DNA-directed RNA polymerase II subunit RPB4 / Polymerase


Mass: 25451.191 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6A5PTI6
#9: Protein DNA-directed RNA polymerase II subunit RPB7 / Polymerase


Mass: 19081.053 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6A5Q270
#11: Protein DNA-directed RNA polymerase II subunit RPB9 / Polymerase


Mass: 14308.161 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A7I9EWC2
#13: Protein DNA-directed RNA polymerase II subunit RPB11 / Polymerase


Mass: 13633.493 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6A5Q7A1

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DNA-directed RNA polymerases I, II, and III subunit ... , 2 types, 2 molecules EH

#7: Protein DNA-directed RNA polymerases I, II, and III subunit RPABC1 / RNA polymerase


Mass: 25117.094 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6A5Q456
#10: Protein DNA-directed RNA polymerases I, II, and III subunit RPABC3 / RNA polymerase


Mass: 16525.363 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6A5Q8C2

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DNA-directed RNA polymerases II subunit ... , 2 types, 2 molecules JL

#12: Protein DNA-directed RNA polymerases II subunit RPABC5 / RNA polymerase


Mass: 8290.732 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6A5Q7Q6
#14: Protein DNA-directed RNA polymerases II subunit RPABC4 / RNA polymerase


Mass: 7729.969 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6A5PY05

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Transcription initiation factor IIF subunit ... , 2 types, 2 molecules QM

#16: Protein Transcription initiation factor IIF subunit alpha / TFIIF-alpha / TFIIF large subunit / Transcription factor G 105 kDa subunit / P105


Mass: 82320.570 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P41895
#17: Protein Transcription initiation factor IIF subunit beta


Mass: 46684.492 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6A5PZ00

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Protein / RNA chain , 2 types, 2 molecules FR

#15: RNA chain RNA (5'-R(P*UP*CP*GP*AP*GP*AP*GP*GP*AP*UP*CP*CP*CP*AP*A)-3')


Mass: 4677.897 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast)
#8: Protein DNA-directed RNA polymerases I,II,and III subunit RPABC2


Mass: 17931.834 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: A0A6L0ZRI7

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Non-polymers , 2 types, 10 molecules

#18: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Zn
#19: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg

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Details

Has ligand of interestN

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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: Complex structure of trailing EC of the EC+EC (trailing EC -focused)
Type: COMPLEX
Details: bona fide transcription complex, which was generated from transcription assay in vitro system using isolated proteins from yeast, was obtained by glycerol gradient sedimentation
Entity ID: #1-#17 / Source: NATURAL
Molecular weightValue: 0.6 MDa / Experimental value: YES
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Buffer solutionpH: 7.6 / Details: 20 mM HEPES PH 7.6 50 mM KoAc 5 mM DTT 2 mM MgoAc
SpecimenConc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid type: Quantifoil R1.2/1.3
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: SPOT SCAN
Electron lensMode: BRIGHT FIELDBright-field microscopy / Cs: 2.7 mm / C2 aperture diameter: 100 µm
Image recordingElectron dose: 1.25 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM software
IDNameCategory
7UCSF Chimeramodel fitting
9RELIONinitial Euler assignment
10RELIONfinal Euler assignment
12RELION3D reconstruction
19PHENIXmodel refinement
20Cootmodel refinement
CTF correctionType: NONE
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.54 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 66261
Details: the final resolution was calculated by postprocessed in Relion based one FSC at 0.143
Symmetry type: POINT
Atomic model building
IDPDB-ID 3D fitting-ID
15C4J

5c4j

1
23PO2

3po2

1

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