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Basic information
Entry | Database: PDB / ID: 6nmi | |||||||||||||||
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Title | Cryo-EM structure of the human TFIIH core complex | |||||||||||||||
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![]() | TRANSCRIPTION / DNA repair / helicase / multiprotein complex | |||||||||||||||
Function / homology | ![]() core TFIIH complex portion of holo TFIIH complex / MMXD 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 / ventricular system development / nucleotide-excision repair factor 3 complex ...core TFIIH complex portion of holo TFIIH complex / MMXD 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 / ventricular system development / nucleotide-excision repair factor 3 complex / cyclin-dependent protein kinase activating kinase holoenzyme complex / nucleotide-excision repair, preincision complex assembly / CAK-ERCC2 complex / transcription factor TFIIK complex / UV protection / embryonic cleavage / adult heart development / G protein-coupled receptor internalization / DNA 3'-5' helicase / transcription factor TFIIH core complex / cyclin-dependent protein serine/threonine kinase activator activity / transcription factor TFIIH holo complex / transcription preinitiation complex / RNA Polymerase I Transcription Termination / nuclear thyroid hormone receptor binding / regulation of mitotic cell cycle phase transition / hematopoietic stem cell proliferation / regulation of cyclin-dependent protein serine/threonine kinase activity / spinal cord development / RNA Pol II CTD phosphorylation and interaction with CE during HIV infection / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / mRNA Capping / bone mineralization / 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 / regulation of G1/S transition of mitotic cell cycle / 3'-5' DNA helicase activity / RNA Polymerase I Transcription Initiation / transcription by RNA polymerase I / DNA topological change / ATPase activator activity / transcription factor TFIID complex / intrinsic apoptotic signaling pathway by p53 class mediator / RNA polymerase II general transcription initiation factor activity / hematopoietic stem cell differentiation / transcription elongation by RNA polymerase I / Tat-mediated elongation of the HIV-1 transcript / Formation of HIV-1 elongation complex containing HIV-1 Tat / embryonic organ development / transcription-coupled nucleotide-excision repair / Formation of HIV elongation complex in the absence of HIV Tat / Cyclin E associated events during G1/S transition / RNA Polymerase II Transcription Elongation / Cyclin A/B1/B2 associated events during G2/M transition / Formation of RNA Pol II elongation complex / response to UV / Cyclin A:Cdk2-associated events at S phase entry / DNA helicase activity / RNA Polymerase II Pre-transcription Events / hormone-mediated signaling pathway / extracellular matrix organization / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / insulin-like growth factor receptor signaling pathway / post-embryonic development / chromosome segregation / transcription elongation by RNA polymerase II / determination of adult lifespan / promoter-specific chromatin binding / nucleotide-excision repair / RNA Polymerase I Promoter Escape / TP53 Regulates Transcription of DNA Repair Genes / transcription initiation at RNA polymerase II promoter / positive regulation of smooth muscle cell proliferation / NoRC negatively regulates rRNA expression / protein localization / multicellular organism growth / Dual Incision in GG-NER / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / cellular response to gamma radiation / Formation of TC-NER Pre-Incision Complex / Formation of Incision Complex in GG-NER / response to calcium ion / spindle / Dual incision in TC-NER / G1/S transition of mitotic cell cycle / Gap-filling DNA repair synthesis and ligation in TC-NER / Cyclin D associated events in G1 / protein-macromolecule adaptor activity / RUNX1 regulates transcription of genes involved in differentiation of HSCs / 4 iron, 4 sulfur cluster binding / 5'-3' DNA helicase activity / double-stranded DNA binding Similarity search - Function | |||||||||||||||
Biological species | ![]() | |||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.7 Å | |||||||||||||||
![]() | Greber, B.J. / Toso, D. / Fang, J. / Nogales, E. | |||||||||||||||
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![]() | ![]() Title: The complete structure of the human TFIIH core complex. Authors: Basil J Greber / Daniel B Toso / Jie Fang / Eva Nogales / ![]() Abstract: Transcription factor IIH (TFIIH) is a heterodecameric protein complex critical for transcription initiation by RNA polymerase II and nucleotide excision DNA repair. The TFIIH core complex is ...Transcription factor IIH (TFIIH) is a heterodecameric protein complex critical for transcription initiation by RNA polymerase II and nucleotide excision DNA repair. The TFIIH core complex is sufficient for its repair functions and harbors the XPB and XPD DNA-dependent ATPase/helicase subunits, which are affected by human disease mutations. Transcription initiation additionally requires the CdK activating kinase subcomplex. Previous structural work has provided only partial insight into the architecture of TFIIH and its interactions within transcription pre-initiation complexes. Here, we present the complete structure of the human TFIIH core complex, determined by phase-plate cryo-electron microscopy at 3.7 Å resolution. The structure uncovers the molecular basis of TFIIH assembly, revealing how the recruitment of XPB by p52 depends on a pseudo-symmetric dimer of homologous domains in these two proteins. The structure also suggests a function for p62 in the regulation of XPD, and allows the mapping of previously unresolved human disease mutations. | |||||||||||||||
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Structure visualization
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Structure viewer | Molecule: ![]() ![]() |
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PDBx/mmCIF format | ![]() | 553.6 KB | Display | ![]() |
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PDB format | ![]() | 452.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.2 MB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 85.6 KB | Display | |
Data in CIF | ![]() | 130.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 0452MC ![]() 0587C ![]() 0588C ![]() 0589C ![]() 0602C ![]() 0603C ![]() 0604C M: map data used to model this data C: citing same article ( |
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Similar structure data | |
EM raw data | ![]() Data #1: Unaligned movies of human TFIIH, using the Volta phase plate, dataset 1 [micrographs - multiframe] Data #2: Unaligned movies of human TFIIH, using the Volta phase plate, dataset 2 [micrographs - multiframe] Data #3: Unaligned movies of human TFIIH, using the Volta phase plate, dataset 3 [micrographs - multiframe] Data #4: Unaligned movies of human TFIIH, using the Volta phase plate, dataset 4 [micrographs - multiframe] Data #5: Unaligned movies of human TFIIH, using the Volta phase plate, dataset 5 [micrographs - multiframe] Data #6: Unaligned movies of human TFIIH, using the Volta phase plate, dataset 6 [micrographs - multiframe]) |
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Assembly
Deposited unit | ![]()
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Components
-General transcription and DNA repair factor IIH helicase subunit ... , 2 types, 2 molecules AB
#1: Protein | Mass: 74233.492 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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#2: Protein | Mass: 86417.766 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-General transcription factor IIH subunit ... , 5 types, 5 molecules CDEFG
#3: Protein | Mass: 57789.000 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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#4: Protein | Mass: 52245.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#5: Protein | Mass: 39609.098 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#6: Protein | Mass: 34416.008 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#7: Protein | Mass: 8060.362 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-Protein , 1 types, 1 molecules H
#8: Protein | Mass: 35873.965 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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-Non-polymers , 2 types, 7 molecules ![](data/chem/img/SF4.gif)
![](data/chem/img/ZN.gif)
![](data/chem/img/ZN.gif)
#9: Chemical | ChemComp-SF4 / |
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#10: Chemical | ChemComp-ZN / |
-Details
Sequence details | The full sequence for General transcription factor IIH subunit 1, p62 ...The full sequence for General transcription factor IIH subunit 1, p62 MATSSEEVLL |
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