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Yorodumi- PDB-8p4e: Structural insights into human co-transcriptional capping - struc... -
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-Basic information
Entry | Database: PDB / ID: 8p4e | |||||||||
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Title | Structural insights into human co-transcriptional capping - structure 5 | |||||||||
Components |
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Keywords | TRANSCRIPTION / rna polymerase II / capping | |||||||||
Function / homology | Function and homology information : / RNA guanylyltransferase activity / inorganic triphosphate phosphatase activity / negative regulation of DNA-templated transcription, elongation / DSIF complex / regulation of transcription elongation by RNA polymerase II / protein tyrosine/serine/threonine phosphatase activity / : / mRNA 5'-triphosphate monophosphatase activity / B-WICH complex positively regulates rRNA expression ...: / RNA guanylyltransferase activity / inorganic triphosphate phosphatase activity / negative regulation of DNA-templated transcription, elongation / DSIF complex / regulation of transcription elongation by RNA polymerase II / protein tyrosine/serine/threonine phosphatase activity / : / mRNA 5'-triphosphate monophosphatase activity / B-WICH complex positively regulates rRNA expression / RNA Polymerase I Transcription Initiation / RNA Polymerase I Promoter Escape / RNA Polymerase I Transcription Termination / 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 - 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 / mRNA 5'-phosphatase / Formation of TC-NER Pre-Incision Complex / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / polynucleotide 5'-phosphatase activity / Abortive elongation of HIV-1 transcript in the absence of Tat / positive regulation of DNA-templated transcription, elongation / : / transcription elongation-coupled chromatin remodeling / 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 / maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II / organelle membrane / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / positive regulation of macroautophagy / RNA polymerase II transcribes snRNA genes / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / 7-methylguanosine mRNA capping / transcription by RNA polymerase I / transcription by RNA polymerase III / Tat-mediated elongation of the HIV-1 transcript / RNA polymerase II activity / transcription-coupled nucleotide-excision repair / Formation of HIV-1 elongation complex containing HIV-1 Tat / RNA polymerase I complex / RNA polymerase III complex / Formation of HIV elongation complex in the absence of HIV Tat / RNA processing / RNA polymerase II, core complex / translation initiation factor binding / RNA Polymerase II Transcription Elongation / dephosphorylation / Formation of RNA Pol II elongation complex / RNA Polymerase II Pre-transcription Events / DNA-directed RNA polymerase complex / positive regulation of RNA splicing / transcription elongation by RNA polymerase II / promoter-specific chromatin binding / transcription initiation at RNA polymerase II promoter / DNA-templated transcription initiation / TP53 Regulates Transcription of DNA Repair Genes / ribonucleoside binding / fibrillar center / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / mRNA guanylyltransferase activity / chromosome / Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters / mRNA guanylyltransferase / methyltransferase cap1 / mRNA (nucleoside-2'-O-)-methyltransferase activity / transcription by RNA polymerase II / nucleic acid binding / chromosome, telomeric region / protein dimerization activity / nuclear speck / protein heterodimerization activity / RNA-directed RNA polymerase / nucleotide binding / intracellular membrane-bounded organelle / mRNA binding Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) Sus scrofa (pig) synthetic construct (others) | |||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.9 Å | |||||||||
Authors | Garg, G. / Dienemann, C. / Farnung, L. / Schwarz, J. / Linden, A. / Urlaub, H. / Cramer, P. | |||||||||
Funding support | European Union, Germany, 2items
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Citation | Journal: Mol Cell / Year: 2023 Title: Structural insights into human co-transcriptional capping. Authors: Gaurika Garg / Christian Dienemann / Lucas Farnung / Juliane Schwarz / Andreas Linden / Henning Urlaub / Patrick Cramer / Abstract: Co-transcriptional capping of the nascent pre-mRNA 5' end prevents degradation of RNA polymerase (Pol) II transcripts and suppresses the innate immune response. Here, we provide mechanistic insights ...Co-transcriptional capping of the nascent pre-mRNA 5' end prevents degradation of RNA polymerase (Pol) II transcripts and suppresses the innate immune response. Here, we provide mechanistic insights into the three major steps of human co-transcriptional pre-mRNA capping based on six different cryoelectron microscopy (cryo-EM) structures. The human mRNA capping enzyme, RNGTT, first docks to the Pol II stalk to position its triphosphatase domain near the RNA exit site. The capping enzyme then moves onto the Pol II surface, and its guanylyltransferase receives the pre-mRNA 5'-diphosphate end. Addition of a GMP moiety can occur when the RNA is ∼22 nt long, sufficient to reach the active site of the guanylyltransferase. For subsequent cap(1) methylation, the methyltransferase CMTR1 binds the Pol II stalk and can receive RNA after it is grown to ∼29 nt in length. The observed rearrangements of capping factors on the Pol II surface may be triggered by the completion of catalytic reaction steps and are accommodated by domain movements in the elongation factor DRB sensitivity-inducing factor (DSIF). | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8p4e.cif.gz | 968.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8p4e.ent.gz | 758.7 KB | Display | PDB format |
PDBx/mmJSON format | 8p4e.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/p4/8p4e ftp://data.pdbj.org/pub/pdb/validation_reports/p4/8p4e | HTTPS FTP |
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-Related structure data
Related structure data | 17407MC 8p4aC 8p4bC 8p4cC 8p4dC 8p4fC M: map data used to model this data C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
-Protein , 4 types, 4 molecules ZMBO
#1: Protein | Mass: 121145.477 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SUPT5H, SPT5, SPT5H / Production host: Escherichia coli (E. coli) / References: UniProt: O00267 |
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#2: Protein | Mass: 68655.695 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: RNGTT, CAP1A / Production host: Escherichia coli (E. coli) References: UniProt: O60942, mRNA 5'-phosphatase, mRNA guanylyltransferase |
#4: Protein | Mass: 134041.422 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: I3LGP4, DNA-directed RNA polymerase |
#15: Protein | Mass: 95454.773 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CMTR1, FTSJD2, KIAA0082, MTR1 / Production host: Escherichia coli (E. coli) / References: UniProt: Q8N1G2, methyltransferase cap1 |
-DNA-directed RNA polymerase II subunit ... , 7 types, 7 molecules ACEFIKG
#3: Protein | Mass: 217450.078 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: P11414 |
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#5: Protein | Mass: 31439.074 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: I3LCH3 |
#6: Protein | Mass: 24644.318 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: I3LSI7 |
#7: Protein | Mass: 14477.001 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: F1SKN8 |
#9: Protein | Mass: 14541.221 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: P60899 |
#11: Protein | Mass: 13310.284 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: F1RKE4 |
#14: Protein | Mass: 19314.283 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: A0A4X1VKG7 |
-DNA-directed RNA polymerases I, II, and III subunit ... , 2 types, 2 molecules HJ
#8: Protein | Mass: 17162.273 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: I3LCB2 |
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#10: Protein | Mass: 7655.123 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: A0A4X1VYD0 |
-RNA polymerase II subunit ... , 2 types, 2 molecules LD
#12: Protein | Mass: 7018.244 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: I3LN51 |
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#13: Protein | Mass: 16331.255 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sus scrofa (pig) / References: UniProt: A0A287ADR4 |
-RNA chain , 1 types, 1 molecules P
#16: RNA chain | Mass: 6958.167 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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-DNA chain , 2 types, 2 molecules NT
#17: DNA chain | Mass: 8050.227 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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#18: DNA chain | Mass: 10721.920 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
-Non-polymers , 2 types, 9 molecules
#19: Chemical | ChemComp-MG / |
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#20: Chemical | ChemComp-ZN / |
-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component | Name: Pol II - TPase complex / Type: COMPLEX / Entity ID: #1-#16 / Source: RECOMBINANT |
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Source (natural) | Organism: Homo sapiens (human) |
Source (recombinant) | Organism: Escherichia coli (E. coli) |
Buffer solution | pH: 7.4 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2000 nm / Nominal defocus min: 500 nm |
Image recording | Electron dose: 40 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
-Processing
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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3D reconstruction | Resolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 48148 / Symmetry type: POINT |