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Yorodumi- EMDB-12630: RNA polymerase II pre-initiation complex with intermediary promot... -
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Basic information
| Entry | Database: EMDB / ID: EMD-12630 | ||||||||||||||||||
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| Title | RNA polymerase II pre-initiation complex with intermediary promoter DNA | ||||||||||||||||||
Map data | Local resolution filtered and sharpened map | ||||||||||||||||||
Sample |
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| Function / homology | Function and homology informationMMXD complex / core TFIIH complex portion of holo TFIIH complex / : / Cytosolic iron-sulfur cluster assembly / central nervous system myelin formation / positive regulation of core promoter binding / RNA polymerase II core complex assembly / positive regulation of mitotic recombination / hair cell differentiation / hair follicle maturation ...MMXD complex / core TFIIH complex portion of holo TFIIH complex / : / Cytosolic iron-sulfur cluster assembly / central nervous system myelin formation / positive regulation of core promoter binding / RNA polymerase II core complex assembly / positive regulation of mitotic recombination / hair cell differentiation / hair follicle maturation / transcription factor TFIIE complex / RNA polymerase transcription factor SL1 complex / nucleotide-excision repair factor 3 complex / meiotic sister chromatid cohesion / phosphatase activator activity / nucleotide-excision repair, preincision complex assembly / ventricular system development / RNA polymerase III general transcription initiation factor activity / TFIIF-class transcription factor complex binding / transcription factor TFIIK complex / CAK-ERCC2 complex / transcriptional start site selection at RNA polymerase II promoter / RNA polymerase I core promoter sequence-specific DNA binding / transcription factor TFIIF complex / embryonic cleavage / RNA Polymerase III Transcription Initiation From Type 1 Promoter / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Polymerase III Transcription Initiation From Type 3 Promoter / Formation of RNA Pol II elongation complex / Formation of the Early Elongation Complex / Transcriptional regulation by small RNAs / RNA Polymerase II Pre-transcription Events / TP53 Regulates Transcription of DNA Repair Genes / FGFR2 alternative splicing / RNA polymerase II transcribes snRNA genes / mRNA Capping / mRNA Splicing - Minor Pathway / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Elongation / RNA Polymerase II Transcription Initiation And Promoter Clearance / RNA Pol II CTD phosphorylation and interaction with CE / Estrogen-dependent gene expression / DNA 5'-3' helicase / Formation of TC-NER Pre-Incision Complex / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / mRNA Splicing - Major Pathway / female germ cell nucleus / transcription factor TFIIA complex / UV protection / regulation of cyclin-dependent protein serine/threonine kinase activity / RNA Polymerase III Abortive And Retractive Initiation / adult heart development / male pronucleus / transcription factor TFIIH core complex / transcription factor TFIIH holo complex / female pronucleus / cyclin-dependent protein serine/threonine kinase activator activity / G protein-coupled receptor internalization / germinal vesicle / RNA polymerase II general transcription initiation factor binding / nuclear thyroid hormone receptor binding / Abortive elongation of HIV-1 transcript in the absence of Tat / FGFR2 alternative splicing / transcription preinitiation complex / RNA Polymerase I Transcription Termination / Viral Messenger RNA Synthesis / Signaling by FGFR2 IIIa TM / protein acetylation / RNA polymerase II general transcription initiation factor activity / cell division site / transcription factor TFIID complex / regulation of mitotic cell cycle phase transition / erythrocyte maturation / acetyltransferase activity / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / 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 / spinal cord development / 3'-5' DNA helicase activity / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / bone mineralization / mRNA Capping / organelle membrane / DNA 3'-5' helicase / 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 Splicing - Minor Pathway / aryl hydrocarbon receptor binding / histone acetyltransferase activity Similarity search - Function | ||||||||||||||||||
| Biological species | ![]() | ||||||||||||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 9.1 Å | ||||||||||||||||||
Authors | Aibara S / Schilbach S / Cramer P | ||||||||||||||||||
| Funding support | Germany, 5 items
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Citation | Journal: Nature / Year: 2021Title: Structures of mammalian RNA polymerase II pre-initiation complexes. Authors: Shintaro Aibara / Sandra Schilbach / Patrick Cramer / ![]() Abstract: The initiation of transcription is a focal point for the regulation of gene activity during mammalian cell differentiation and development. To initiate transcription, RNA polymerase II (Pol II) ...The initiation of transcription is a focal point for the regulation of gene activity during mammalian cell differentiation and development. To initiate transcription, RNA polymerase II (Pol II) assembles with general transcription factors into a pre-initiation complex (PIC) that opens promoter DNA. Previous work provided the molecular architecture of the yeast and human PIC and a topological model for DNA opening by the general transcription factor TFIIH. Here we report the high-resolution cryo-electron microscopy structure of PIC comprising human general factors and Sus scrofa domesticus Pol II, which is 99.9% identical to human Pol II. We determine the structures of PIC with closed and opened promoter DNA at 2.5-2.8 Å resolution, and resolve the structure of TFIIH at 2.9-4.0 Å resolution. We capture the TFIIH translocase XPB in the pre- and post-translocation states, and show that XPB induces and propagates a DNA twist to initiate the opening of DNA approximately 30 base pairs downstream of the TATA box. We also provide evidence that DNA opening occurs in two steps and leads to the detachment of TFIIH from the core PIC, which may stop DNA twisting and enable RNA chain initiation. | ||||||||||||||||||
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Structure visualization
| Movie |
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| Structure viewer | EM map: SurfView Molmil Jmol/JSmol |
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_12630.map.gz | 325 MB | EMDB map data format | |
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| Header (meta data) | emd-12630-v30.xml emd-12630.xml | 18.2 KB 18.2 KB | Display Display | EMDB header |
| FSC (resolution estimation) | emd_12630_fsc.xml | 16.1 KB | Display | FSC data file |
| Images | emd_12630.png | 135.8 KB | ||
| Masks | emd_12630_msk_1.map | 347.6 MB | Mask map | |
| Others | emd_12630_additional_1.map.gz emd_12630_half_map_1.map.gz emd_12630_half_map_2.map.gz | 205.6 MB 277 MB 277 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-12630 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-12630 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 7nvrC ![]() 7nvsC ![]() 7nvtC ![]() 7nvuC ![]() 7nvvC ![]() 7nvwC ![]() 7nvxC ![]() 7nvyC ![]() 7nvzC ![]() 7nw0C C: citing same article ( |
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| Similar structure data |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_12630.map.gz / Format: CCP4 / Size: 347.6 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Annotation | Local resolution filtered and sharpened map | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 1.05 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
CCP4 map header:
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-Supplemental data
-Mask #1
| File | emd_12630_msk_1.map | ||||||||||||
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-Additional map: Local resolution filtered map, unsharpened
| File | emd_12630_additional_1.map | ||||||||||||
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| Annotation | Local resolution filtered map, unsharpened | ||||||||||||
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| Density Histograms |
-Half map: Unfiltered half map 1
| File | emd_12630_half_map_1.map | ||||||||||||
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| Annotation | Unfiltered half map 1 | ||||||||||||
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| Density Histograms |
-Half map: Unfiltered half map 2
| File | emd_12630_half_map_2.map | ||||||||||||
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| Annotation | Unfiltered half map 2 | ||||||||||||
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Sample components
-Entire : RNA polymerase II pre-initiation complex with intermediary promot...
| Entire | Name: RNA polymerase II pre-initiation complex with intermediary promoter DNA |
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| Components |
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-Supramolecule #1: RNA polymerase II pre-initiation complex with intermediary promot...
| Supramolecule | Name: RNA polymerase II pre-initiation complex with intermediary promoter DNA type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#22 |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 1.47 MDa |
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Buffer | pH: 7.5 |
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| Vitrification | Cryogen name: ETHANE |
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Electron microscopy
| Microscope | FEI TITAN KRIOS |
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| Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 43.0 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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