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- PDB-6o9m: Structure of the human apo TFIIH -

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Basic information

Entry
Database: PDB / ID: 6o9m
TitleStructure of the human apo TFIIH
Components
  • (General transcription factor IIH subunit ...) x 5
  • (TFIIH basal transcription factor complex helicase ...) x 2
  • CDK-activating kinase assembly factor MAT1
KeywordsTRANSCRIPTION / Transcription initiation / Molecular dynamics / Gene regulation / Community network analysis / Global protein dynamics / RNA polymerase
Function / homology
Function and homology information


MMXD complex / core TFIIH complex portion of holo TFIIH complex / Cytosolic iron-sulfur cluster assembly / central nervous system myelin formation / positive regulation of mitotic recombination / hair cell differentiation / hair follicle maturation / ventricular system development / 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 / central nervous system myelin formation / positive regulation of mitotic recombination / hair cell differentiation / hair follicle maturation / ventricular system development / nucleotide-excision repair factor 3 complex / nucleotide-excision repair, preincision complex assembly / CAK-ERCC2 complex / transcription factor TFIIK complex / UV protection / embryonic cleavage / adult heart development / DNA 5'-3' helicase / G protein-coupled receptor internalization / regulation of cyclin-dependent protein serine/threonine kinase activity / transcription factor TFIIH core complex / transcription factor TFIIH holo complex / cyclin-dependent protein serine/threonine kinase activator activity / nuclear thyroid hormone receptor binding / RNA Polymerase I Transcription Termination / transcription preinitiation complex / regulation of mitotic cell cycle phase transition / DNA 3'-5' helicase / RNA polymerase II general transcription initiation factor activity / transcription factor TFIID complex / 3'-5' DNA helicase activity / spinal cord development / erythrocyte maturation / hematopoietic stem cell proliferation / RNA Pol II CTD phosphorylation and interaction with CE during HIV infection / RNA Pol II CTD phosphorylation and interaction with CE / bone mineralization / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / 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 / mRNA Capping / ATPase activator activity / regulation of G1/S transition of mitotic cell cycle / DNA topological change / intrinsic apoptotic signaling pathway by p53 class mediator / RNA Polymerase I Transcription Initiation / hematopoietic stem cell differentiation / embryonic organ development / Tat-mediated elongation of the HIV-1 transcript / Formation of HIV-1 elongation complex containing HIV-1 Tat / transcription by RNA polymerase I / transcription elongation by RNA polymerase I / Formation of HIV elongation complex in the absence of HIV Tat / Cyclin E associated events during G1/S transition / Cyclin A/B1/B2 associated events during G2/M transition / transcription-coupled nucleotide-excision repair / response to UV / Cyclin A:Cdk2-associated events at S phase entry / cyclin-dependent protein kinase holoenzyme complex / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / isomerase activity / hormone-mediated signaling pathway / RNA Polymerase II Pre-transcription Events / extracellular matrix organization / DNA helicase activity / insulin-like growth factor receptor signaling pathway / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / post-embryonic development / determination of adult lifespan / nucleotide-excision repair / positive regulation of smooth muscle cell proliferation / chromosome segregation / transcription initiation at RNA polymerase II promoter / TP53 Regulates Transcription of DNA Repair Genes / RNA Polymerase I Promoter Escape / transcription elongation by RNA polymerase II / promoter-specific chromatin binding / G1/S transition of mitotic cell cycle / cellular response to gamma radiation / NoRC negatively regulates rRNA expression / Dual Incision in GG-NER / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / spindle / multicellular organism growth / Formation of Incision Complex in GG-NER / response to calcium ion / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / Cyclin D associated events in G1 / intracellular protein localization / RUNX1 regulates transcription of genes involved in differentiation of HSCs / 4 iron, 4 sulfur cluster binding / single-stranded 3'-5' DNA helicase activity / double-stranded DNA helicase activity
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 / TFIIH p62 subunit, N-terminal / TFIIH subunit Tfb1/GTF2H1 ...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 / TFIIH p62 subunit, N-terminal / TFIIH subunit Tfb1/GTF2H1 / TFIIH p62 subunit, N-terminal domain / BSD domain / BSD domain superfamily / BSD domain / BSD domain profile. / domain in transcription factors and synapse-associated proteins / 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 / Cdk-activating kinase assembly factor MAT1/Tfb3 / Cdk-activating kinase assembly factor MAT1, centre / CDK-activating kinase assembly factor MAT1 / Zinc finger, C3HC4 type (RING finger) / ATP-dependent helicase Rad3/Chl1-like / : / Helicase-like, DEXD box c2 type / DEAD2 / DEAD_2 / DEXDc2 / Helicase superfamily 1/2, DinG/Rad3-like / HELICc2 / ATP-dependent helicase, C-terminal / Helicase superfamily 1/2, ATP-binding domain, DinG/Rad3-type / Helicase C-terminal domain / Superfamilies 1 and 2 helicase ATP-binding type-2 domain profile. / Helicase/UvrB, N-terminal / Type III restriction enzyme, res subunit / Ubiquitin interacting motif / Ubiquitin-interacting motif (UIM) domain profile. / 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 / Zinc finger, RING-type, conserved site / Zinc finger RING-type signature. / von Willebrand factor A-like domain superfamily / Ring finger / Zinc finger C2H2-type / Zinc finger RING-type profile. / Zinc finger, RING-type / PH-like domain superfamily / 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
IRON/SULFUR CLUSTER / 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 1 / CDK-activating kinase assembly factor MAT1 / 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: 4.4 Å
AuthorsYan, C.L. / Dodd, T. / He, Y. / Tainer, J.A. / Tsutakawa, S.E. / Ivanov, I.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM110387 United States
CitationJournal: Nature / Year: 2017
Title: The cryo-electron microscopy structure of human transcription factor IIH.
Authors: Basil J Greber / Thi Hoang Duong Nguyen / Jie Fang / Pavel V Afonine / Paul D Adams / Eva Nogales /
Abstract: Human transcription factor IIH (TFIIH) is part of the general transcriptional machinery required by RNA polymerase II for the initiation of eukaryotic gene transcription. Composed of ten subunits ...Human transcription factor IIH (TFIIH) is part of the general transcriptional machinery required by RNA polymerase II for the initiation of eukaryotic gene transcription. Composed of ten subunits that add up to a molecular mass of about 500 kDa, TFIIH is also essential for nucleotide excision repair. The seven-subunit TFIIH core complex formed by XPB, XPD, p62, p52, p44, p34, and p8 is competent for DNA repair, while the CDK-activating kinase subcomplex, which includes the kinase activity of CDK7 as well as the cyclin H and MAT1 subunits, is additionally required for transcription initiation. Mutations in the TFIIH subunits XPB, XPD, and p8 lead to severe premature ageing and cancer propensity in the genetic diseases xeroderma pigmentosum, Cockayne syndrome, and trichothiodystrophy, highlighting the importance of TFIIH for cellular physiology. Here we present the cryo-electron microscopy structure of human TFIIH at 4.4 Å resolution. The structure reveals the molecular architecture of the TFIIH core complex, the detailed structures of its constituent XPB and XPD ATPases, and how the core and kinase subcomplexes of TFIIH are connected. Additionally, our structure provides insight into the conformational dynamics of TFIIH and the regulation of its activity.
History
DepositionMar 14, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 29, 2019Provider: repository / Type: Initial release
Revision 1.1Jun 5, 2019Group: Data collection / Database references / Category: citation / Item: _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Jun 19, 2019Group: Data collection / Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Jan 1, 2020Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.4Mar 13, 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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  • EMDB-3802
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Assembly

Deposited unit
0: TFIIH basal transcription factor complex helicase XPD subunit
1: General transcription factor IIH subunit 1
2: General transcription factor IIH subunit 4, p52
3: CDK-activating kinase assembly factor MAT1
4: General transcription factor IIH subunit 3
5: General transcription factor IIH subunit 5
6: General transcription factor IIH subunit 2
7: TFIIH basal transcription factor complex helicase XPB subunit
hetero molecules


Theoretical massNumber of molelcules
Total (without water)414,36415
Polymers413,6208
Non-polymers7447
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: homology, homology
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area41810 Å2
ΔGint-346 kcal/mol
Surface area156200 Å2

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Components

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TFIIH basal transcription factor complex helicase ... , 2 types, 2 molecules 07

#1: 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
#8: 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

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General transcription factor IIH subunit ... , 5 types, 5 molecules 12456

#2: Protein General transcription factor IIH subunit 1 / Basic transcription factor 2 62 kDa subunit / BTF2 p62 / General transcription factor IIH ...Basic transcription factor 2 62 kDa subunit / BTF2 p62 / General transcription factor IIH polypeptide 1 / TFIIH basal transcription factor complex p62 subunit


Mass: 62116.492 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P32780
#3: Protein General transcription factor IIH subunit 4, p52 / 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
#5: 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
#6: 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
#7: 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

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Protein , 1 types, 1 molecules 3

#4: Protein CDK-activating kinase assembly factor MAT1 / CDK7/cyclin-H assembly factor / Cyclin-G1-interacting protein / Menage a trois / RING finger ...CDK7/cyclin-H assembly factor / Cyclin-G1-interacting protein / Menage a trois / RING finger protein 66 / RING finger protein MAT1 / p35 / p36


Mass: 35873.965 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P51948

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Non-polymers , 2 types, 7 molecules

#9: Chemical ChemComp-SF4 / IRON/SULFUR CLUSTER


Mass: 351.640 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Fe4S4
#10: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Zn

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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: apo TFIIH / Type: COMPLEX / Entity ID: #1-#8 / Source: NATURAL
Source (natural)Organism: Homo sapiens (human)
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid type: C-flat
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE

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Electron microscopy imaging

MicroscopyModel: FEI TITAN
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 40 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM software
IDNameVersionCategoryDetails
7NAMD2.12model fittingMolecular dynamics flexible fitting
8UCSF Chimera1.12model fittingRigid body fit
20Coot0.8.9.1model refinementmodel building and refinement
21PHENIX1.14model refinementreal-space refinement
CTF correctionType: NONE
3D reconstructionResolution: 4.4 Å / Num. of particles: 122900 / Symmetry type: POINT
Atomic model buildingProtocol: OTHER / Space: REAL
Details: Initial model assembled from high-resolution structures and homology models, subsequently rebuilt in COOT, refined into the Cryo-EM map using Phenix and fully validated.

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