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- PDB-5ivw: Human core TFIIH bound to DNA within the PIC -

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Basic information

Entry
Database: PDB / ID: 5ivw
TitleHuman core TFIIH bound to DNA within the PIC
Components
  • (General transcription factor IIH subunit ...) x 4
  • (TFIIH basal transcription factor complex helicase ...) x 2
  • scp-X
  • scp-Y
KeywordsTRANSCRIPTION/DNA / initiation / RNA polymerase II / human / TRANSCRIPTION-DNA complex
Function / homology
Function and homology information


MMXD complex / core TFIIH complex portion of holo TFIIH complex / Cytosolic iron-sulfur cluster assembly / nucleotide-excision repair, DNA duplex unwinding / central nervous system myelin formation / positive regulation of mitotic recombination / hair follicle maturation / hair cell differentiation / nucleotide-excision repair factor 3 complex / nucleotide-excision repair, preincision complex assembly ...MMXD complex / core TFIIH complex portion of holo TFIIH complex / Cytosolic iron-sulfur cluster assembly / nucleotide-excision repair, DNA duplex unwinding / central nervous system myelin formation / positive regulation of mitotic recombination / hair follicle maturation / hair cell differentiation / nucleotide-excision repair factor 3 complex / nucleotide-excision repair, preincision complex assembly / CAK-ERCC2 complex / UV protection / embryonic cleavage / DNA 5'-3' helicase / G protein-coupled receptor internalization / transcription factor TFIIH holo complex / transcription factor TFIIH core complex / DNA 3'-5' helicase / RNA Polymerase I Transcription Termination / transcription preinitiation complex / regulation of mitotic cell cycle phase transition / hematopoietic stem cell proliferation / 3'-5' DNA helicase activity / RNA Pol II CTD phosphorylation and interaction with CE during HIV infection / RNA Pol II CTD phosphorylation and interaction with CE / transcription factor TFIID complex / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / RNA polymerase II general transcription initiation factor activity / bone mineralization / spinal cord development / mRNA Capping / HIV Transcription Initiation / RNA Polymerase II HIV Promoter Escape / Transcription of the HIV genome / 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 / erythrocyte maturation / RNA Polymerase I Transcription Initiation / ATPase activator activity / DNA topological change / intrinsic apoptotic signaling pathway by p53 class mediator / hematopoietic stem cell differentiation / Tat-mediated elongation of the HIV-1 transcript / embryonic organ development / transcription elongation by RNA polymerase I / Formation of HIV-1 elongation complex containing HIV-1 Tat / transcription-coupled nucleotide-excision repair / Formation of HIV elongation complex in the absence of HIV Tat / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / response to UV / RNA Polymerase II Pre-transcription Events / DNA helicase activity / post-embryonic development / extracellular matrix organization / insulin-like growth factor receptor signaling pathway / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / determination of adult lifespan / isomerase activity / chromosome segregation / promoter-specific chromatin binding / TP53 Regulates Transcription of DNA Repair Genes / nucleotide-excision repair / transcription initiation at RNA polymerase II promoter / RNA Polymerase I Promoter Escape / transcription elongation by RNA polymerase II / NoRC negatively regulates rRNA expression / multicellular organism growth / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / cellular response to gamma radiation / Dual Incision in GG-NER / Formation of Incision Complex in GG-NER / spindle / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / protein localization / protein-macromolecule adaptor activity / 4 iron, 4 sulfur cluster binding / 5'-3' DNA helicase activity / double-stranded DNA binding / in utero embryonic development / response to oxidative stress / transcription by RNA polymerase II / damaged DNA binding / response to hypoxia / nuclear speck / positive regulation of apoptotic process / DNA repair / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / nucleolus / apoptotic process / ATP hydrolysis activity / DNA binding / zinc ion binding / nucleoplasm
Similarity search - Function
TFIIH subunit Tfb4/GTF2H3 / Transcription factor Tfb4 / TFIIH C1-like domain / Ssl1-like / TFIIH subunit Ssl1/p44 / Ssl1-like / TFIIH C1-like domain / TFIIH C1-like domain / RAD3/XPD family / Helicase XPB/Ssl2 ...TFIIH subunit Tfb4/GTF2H3 / Transcription factor Tfb4 / TFIIH C1-like domain / Ssl1-like / TFIIH subunit Ssl1/p44 / Ssl1-like / TFIIH C1-like domain / TFIIH C1-like domain / RAD3/XPD family / Helicase XPB/Ssl2 / ERCC3/RAD25/XPB helicase, C-terminal domain / Helicase XPB/Ssl2, N-terminal domain / Helicase conserved C-terminal domain / ERCC3/RAD25/XPB C-terminal helicase / Helical and beta-bridge domain / Helical and beta-bridge domain / Transcription factor TFIIH subunit p52/Tfb2 / Transcription factor Tfb2, C-terminal domain / Transcription factor Tfb2 / Transcription factor Tfb2 (p52) C-terminal domain / TFIIH subunit TTDA/Tfb5 / TFB5-like superfamily / Transcription factor TFIIH complex subunit Tfb5 / Transcription factor TFIIH complex subunit Tfb5 / ATP-dependent helicase Rad3/Chl1-like / : / Helicase-like, DEXD box c2 type / ATP-dependent helicase, C-terminal / DEAD2 / Helicase superfamily 1/2, ATP-binding domain, DinG/Rad3-type / Helicase superfamily 1/2, DinG/Rad3-like / DEAD_2 / Helicase C-terminal domain / Superfamilies 1 and 2 helicase ATP-binding type-2 domain profile. / DEXDc2 / HELICc2 / Helicase/UvrB, N-terminal / Type III restriction enzyme, res subunit / DNA/RNA helicase, ATP-dependent, DEAH-box type, conserved site / DEAH-box subfamily ATP-dependent helicases signature. / C1-like domain superfamily / von Willebrand factor (vWF) type A domain / VWFA domain profile. / von Willebrand factor, type A / von Willebrand factor A-like domain superfamily / Zinc finger C2H2-type / helicase superfamily c-terminal domain / Superfamilies 1 and 2 helicase C-terminal domain profile. / Superfamilies 1 and 2 helicase ATP-binding type-1 domain profile. / DEAD-like helicases superfamily / Helicase, C-terminal / Helicase superfamily 1/2, ATP-binding domain / Zinc finger, RING/FYVE/PHD-type / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
DNA / DNA (> 10) / General transcription and DNA repair factor IIH helicase subunit XPD / General transcription and DNA repair factor IIH helicase/translocase subunit XPB / General transcription factor IIH subunit 2 / General transcription factor IIH subunit 3 / General transcription factor IIH subunit 5 / General transcription factor IIH subunit 4
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 10 Å
AuthorsHe, Y. / Yan, C. / Fang, J. / Inouye, C. / Tjian, R. / Ivanov, I. / Nogales, E.
Funding support United States, 4items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM63072 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM110387 United States
National Science Foundation (NSF, United States)MCB-1149521 United States
Howard Hughes Medical Institute (HHMI) United States
CitationJournal: Nature / Year: 2016
Title: Near-atomic resolution visualization of human transcription promoter opening.
Authors: Yuan He / Chunli Yan / Jie Fang / Carla Inouye / Robert Tjian / Ivaylo Ivanov / Eva Nogales /
Abstract: In eukaryotic transcription initiation, a large multi-subunit pre-initiation complex (PIC) that assembles at the core promoter is required for the opening of the duplex DNA and identification of the ...In eukaryotic transcription initiation, a large multi-subunit pre-initiation complex (PIC) that assembles at the core promoter is required for the opening of the duplex DNA and identification of the start site for transcription by RNA polymerase II. Here we use cryo-electron microscropy (cryo-EM) to determine near-atomic resolution structures of the human PIC in a closed state (engaged with duplex DNA), an open state (engaged with a transcription bubble), and an initially transcribing complex (containing six base pairs of DNA-RNA hybrid). Our studies provide structures for previously uncharacterized components of the PIC, such as TFIIE and TFIIH, and segments of TFIIA, TFIIB and TFIIF. Comparison of the different structures reveals the sequential conformational changes that accompany the transition from each state to the next throughout the transcription initiation process. This analysis illustrates the key role of TFIIB in transcription bubble stabilization and provides strong structural support for a translocase activity of XPB.
History
DepositionMar 21, 2016Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 18, 2016Provider: repository / Type: Initial release
Revision 1.1May 25, 2016Group: Database references
Revision 1.2Jun 22, 2016Group: Database references
Revision 1.3Sep 13, 2017Group: Author supporting evidence / Database references / Category: citation / pdbx_audit_support
Item: _citation.journal_id_CSD / _pdbx_audit_support.funding_organization
Revision 1.4Nov 20, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.5Mar 6, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

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Assembly

Deposited unit
V: TFIIH basal transcription factor complex helicase XPB subunit
W: TFIIH basal transcription factor complex helicase XPD subunit
0: General transcription factor IIH subunit 2
1: General transcription factor IIH subunit 5
2: General transcription factor IIH subunit 4
3: General transcription factor IIH subunit 3
X: scp-X
Y: scp-Y


Theoretical massNumber of molelcules
Total (without water)327,5818
Polymers327,5818
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area10540 Å2
ΔGint-69 kcal/mol
Surface area102720 Å2

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Components

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TFIIH basal transcription factor complex helicase ... , 2 types, 2 molecules VW

#1: Protein TFIIH basal transcription factor complex helicase XPB subunit / Basic transcription factor 2 89 kDa subunit / BTF2 p89 / DNA excision repair protein ERCC-3 / DNA ...Basic transcription factor 2 89 kDa subunit / BTF2 p89 / DNA excision repair protein ERCC-3 / DNA repair protein complementing XP-B cells / TFIIH basal transcription factor complex 89 kDa subunit / TFIIH p89 / Xeroderma pigmentosum group B-complementing protein


Mass: 89404.734 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P19447, DNA helicase
#2: Protein TFIIH basal transcription factor complex helicase XPD subunit / Basic transcription factor 2 80 kDa subunit / BTF2 p80 / CXPD / DNA excision repair protein ERCC-2 ...Basic transcription factor 2 80 kDa subunit / BTF2 p80 / CXPD / DNA excision repair protein ERCC-2 / DNA repair protein complementing XP-D cells / TFIIH basal transcription factor complex 80 kDa subunit / TFIIH p80 / Xeroderma pigmentosum group D-complementing protein


Mass: 87021.078 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P18074, DNA helicase

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General transcription factor IIH subunit ... , 4 types, 4 molecules 0123

#3: Protein General transcription factor IIH subunit 2 / Basic transcription factor 2 44 kDa subunit / BTF2 p44 / General transcription factor IIH ...Basic transcription factor 2 44 kDa subunit / BTF2 p44 / General transcription factor IIH polypeptide 2 / TFIIH basal transcription factor complex p44 subunit


Mass: 44481.996 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q13888
#4: Protein General transcription factor IIH subunit 5 / General transcription factor IIH polypeptide 5 / TFB5 ortholog / TFIIH basal transcription factor ...General transcription factor IIH polypeptide 5 / TFB5 ortholog / TFIIH basal transcription factor complex TTD-A subunit


Mass: 8060.362 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q6ZYL4
#5: Protein General transcription factor IIH subunit 4 / Basic transcription factor 2 52 kDa subunit / BTF2 p52 / General transcription factor IIH ...Basic transcription factor 2 52 kDa subunit / BTF2 p52 / General transcription factor IIH polypeptide 4 / TFIIH basal transcription factor complex p52 subunit


Mass: 52245.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q92759
#6: Protein General transcription factor IIH subunit 3 / p34 / Basic transcription factor 2 44 kDa subunit / BTF2 p44 / General transcription factor IIH ...p34 / Basic transcription factor 2 44 kDa subunit / BTF2 p44 / General transcription factor IIH polypeptide 2 / TFIIH basal transcription factor complex p44 subunit


Mass: 34416.008 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q13889

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DNA chain , 2 types, 2 molecules XY

#7: DNA chain scp-X


Mass: 5879.866 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human)
#8: DNA chain scp-Y


Mass: 6071.922 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human)

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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: Human core TFIIH bound to DNA within the PIC / Type: COMPLEX / Entity ID: all / Source: NATURAL
Molecular weightValue: 0.49 MDa / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Buffer solutionpH: 7.9
SpecimenConc.: 0.1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 %
Details: Blot for 4 seconds before plunging into liquid ethane (FEI VITROBOT MARK IV).

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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: 27500 X / Nominal defocus max: 4000 nm / Nominal defocus min: 2000 nm / Cs: 2.7 mm
Specimen holderSpecimen holder model: GATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER
Image recordingElectron dose: 42 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k)
Image scansMovie frames/image: 30

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Processing

EM softwareName: RELION / Version: 1.4beta / Category: 3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 10 Å / Resolution method: FSC 0.5 CUT-OFF / Num. of particles: 219771 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT

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