- EMDB-19726: RNA polymerase II early elongation complex bound to TFIIE and TFI... -
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Basic information
Entry
Database: EMDB / ID: EMD-19726
Title
RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a (composite structure)
Map data
Composite map for model building of EC14a (sharpened)
Sample
Complex: RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a
Complex: RNA polymerase II
Protein or peptide: x 12 types
Complex: DNA and RNA
DNA: x 2 types
RNA: x 1 types
Cell: Transcription factor IIE and IIF
Protein or peptide: x 4 types
Ligand: x 2 types
Keywords
RNA polymerase II / promoter escape / de novo transcription / TRANSCRIPTION
Function / homology
Function and homology information
transcription factor TFIIE complex / phosphatase activator activity / transcription open complex formation at RNA polymerase II promoter / TFIIF-class transcription factor complex binding / 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 ...transcription factor TFIIE complex / phosphatase activator activity / transcription open complex formation at RNA polymerase II promoter / TFIIF-class transcription factor complex binding / 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 - Major Pathway / 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 / transcription factor TFIIF complex / Formation of TC-NER Pre-Incision Complex / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / Abortive elongation of HIV-1 transcript in the absence of Tat / RNA polymerase II general transcription initiation factor binding / FGFR2 alternative splicing / Viral Messenger RNA Synthesis / Signaling by FGFR2 IIIa TM / 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 / mRNA Capping / RNA polymerase III activity / 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 / maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / Processing of Capped Intron-Containing Pre-mRNA / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / RNA polymerase II transcribes snRNA genes / RNA polymerase II activity / transcription elongation by RNA polymerase I / Tat-mediated elongation of the HIV-1 transcript / tRNA transcription by RNA polymerase III / RNA polymerase I activity / Formation of HIV-1 elongation complex containing HIV-1 Tat / RNA polymerase I complex / RNA polymerase III complex / positive regulation of translational initiation / Formation of HIV elongation complex in the absence of HIV Tat / transcription-coupled nucleotide-excision repair / RNA polymerase II, core complex / positive regulation of transcription elongation by RNA polymerase II / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / translation initiation factor binding / RNA Polymerase II Pre-transcription Events / mRNA Splicing - Major Pathway / negative regulation of protein binding / promoter-specific chromatin binding / transcription initiation at RNA polymerase II promoter / TP53 Regulates Transcription of DNA Repair Genes / transcription elongation by RNA polymerase II / P-body / response to virus / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / cell junction / microtubule cytoskeleton / single-stranded DNA binding / chromosome, telomeric region / protein phosphatase binding / Estrogen-dependent gene expression / nucleic acid binding / transcription by RNA polymerase II / single-stranded RNA binding / protein dimerization activity / nuclear speck / protein domain specific binding / intracellular membrane-bounded organelle / RNA-dependent RNA polymerase activity / chromatin binding / DNA-templated transcription / nucleotide binding Similarity search - Function
RNA polymerase II subunit D / DNA-directed RNA polymerase subunit / DNA-directed RNA polymerases I, II, and III subunit RPABC5 / DNA-directed RNA polymerase subunit / RNA polymerase II subunit K / DNA-directed RNA polymerases I, II, and III subunit RPABC2 / DNA-directed RNA polymerase II subunit RPB11-a / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerase II subunit RPB3 / DNA-directed RNA polymerase subunit beta ...RNA polymerase II subunit D / DNA-directed RNA polymerase subunit / DNA-directed RNA polymerases I, II, and III subunit RPABC5 / DNA-directed RNA polymerase subunit / RNA polymerase II subunit K / DNA-directed RNA polymerases I, II, and III subunit RPABC2 / DNA-directed RNA polymerase II subunit RPB11-a / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerase II subunit RPB3 / DNA-directed RNA polymerase subunit beta / DNA-directed RNA polymerase II subunit E / General transcription factor IIF subunit 2 / General transcription factor IIE subunit 1 / Transcription initiation factor IIE subunit beta / General transcription factor IIF subunit 1 / DNA-directed RNA polymerase II subunit RPB9 Similarity search - Component
Biological species
Sus scrofa (pig) / unidentified adenovirus / Homo sapiens (human)
Method
single particle reconstruction / cryo EM / Resolution: 3.4 Å
Journal: Mol Cell / Year: 2024 Title: Three-step mechanism of promoter escape by RNA polymerase II. Authors: Yumeng Zhan / Frauke Grabbe / Elisa Oberbeckmann / Christian Dienemann / Patrick Cramer / Abstract: The transition from transcription initiation to elongation is highly regulated in human cells but remains incompletely understood at the structural level. In particular, it is unclear how ...The transition from transcription initiation to elongation is highly regulated in human cells but remains incompletely understood at the structural level. In particular, it is unclear how interactions between RNA polymerase II (RNA Pol II) and initiation factors are broken to enable promoter escape. Here, we reconstitute RNA Pol II promoter escape in vitro and determine high-resolution structures of initially transcribing complexes containing 8-, 10-, and 12-nt ordered RNAs and two elongation complexes containing 14-nt RNAs. We suggest that promoter escape occurs in three major steps. First, the growing RNA displaces the B-reader element of the initiation factor TFIIB without evicting TFIIB. Second, the rewinding of the transcription bubble coincides with the eviction of TFIIA, TFIIB, and TBP. Third, the binding of DSIF and NELF facilitates TFIIE and TFIIH dissociation, establishing the paused elongation complex. This three-step model for promoter escape fills a gap in our understanding of the initiation-elongation transition of RNA Pol II transcription.
Resolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF Details: Number of particles is different for every focused refined map, as detailed in the manuscript. Number images used: 50000
Initial angle assignment
Type: MAXIMUM LIKELIHOOD
Final angle assignment
Type: MAXIMUM LIKELIHOOD
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