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Open data
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Basic information
Entry | Database: PDB / ID: 8yjb | |||||||||||||||||||||||||||||||||||||||
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Title | Cryo-EM structure of the human DSS1-INTAC complex | |||||||||||||||||||||||||||||||||||||||
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![]() | TRANSCRIPTION / DSS1 / Integrator / INTAC | |||||||||||||||||||||||||||||||||||||||
Function / homology | ![]() U2 snRNA 3'-end processing / meiotic spindle elongation / Integration of energy metabolism / PP2A-mediated dephosphorylation of key metabolic factors / snRNA 3'-end processing / MASTL Facilitates Mitotic Progression / regulation of meiotic cell cycle process involved in oocyte maturation / mitotic sister chromatid separation / protein phosphatase type 2A complex / protein serine/threonine phosphatase complex ...U2 snRNA 3'-end processing / meiotic spindle elongation / Integration of energy metabolism / PP2A-mediated dephosphorylation of key metabolic factors / snRNA 3'-end processing / MASTL Facilitates Mitotic Progression / regulation of meiotic cell cycle process involved in oocyte maturation / mitotic sister chromatid separation / protein phosphatase type 2A complex / protein serine/threonine phosphatase complex / peptidyl-threonine dephosphorylation / meiotic sister chromatid cohesion, centromeric / snRNA processing / peptidyl-serine dephosphorylation / FAR/SIN/STRIPAK complex / : / Regulation of glycolysis by fructose 2,6-bisphosphate metabolism / female meiotic nuclear division / Inhibition of replication initiation of damaged DNA by RB1/E2F1 / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / regulation of transcription elongation by RNA polymerase II / GABA receptor binding / protein phosphatase regulator activity / protein antigen binding / integrator complex / APC truncation mutants have impaired AXIN binding / AXIN missense mutants destabilize the destruction complex / Truncations of AMER1 destabilize the destruction complex / positive regulation of extrinsic apoptotic signaling pathway in absence of ligand / ERKs are inactivated / Initiation of Nuclear Envelope (NE) Reformation / Hydrolases; Acting on ester bonds; Endoribonucleases producing 3'-phosphomonoesters / Beta-catenin phosphorylation cascade / Signaling by GSK3beta mutants / CTNNB1 S33 mutants aren't phosphorylated / CTNNB1 S37 mutants aren't phosphorylated / CTNNB1 S45 mutants aren't phosphorylated / CTNNB1 T41 mutants aren't phosphorylated / proteasome regulatory particle, lid subcomplex / Co-stimulation by CD28 / regulation of growth / Disassembly of the destruction complex and recruitment of AXIN to the membrane / Regulation of ornithine decarboxylase (ODC) / Proteasome assembly / Homologous DNA Pairing and Strand Exchange / Defective homologous recombination repair (HRR) due to BRCA1 loss of function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function / Cross-presentation of soluble exogenous antigens (endosomes) / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / negative regulation of epithelial to mesenchymal transition / Resolution of D-loop Structures through Holliday Junction Intermediates / inner cell mass cell proliferation / Somitogenesis / Co-inhibition by CTLA4 / protein serine/threonine phosphatase activity / Platelet sensitization by LDL / histone H2AXS140 phosphatase activity / RNA polymerase II CTD heptapeptide repeat Y1 phosphatase activity / RNA polymerase II CTD heptapeptide repeat T4 phosphatase activity / RNA polymerase II CTD heptapeptide repeat S2 phosphatase activity / RNA polymerase II CTD heptapeptide repeat S5 phosphatase activity / RNA polymerase II CTD heptapeptide repeat S7 phosphatase activity / MAP kinase serine/threonine phosphatase activity / calmodulin-dependent protein phosphatase activity / Impaired BRCA2 binding to RAD51 / myosin phosphatase activity / protein-serine/threonine phosphatase / negative regulation of glycolytic process through fructose-6-phosphate / positive regulation of NLRP3 inflammasome complex assembly / ERK/MAPK targets / T cell homeostasis / mesoderm development / vascular endothelial cell response to oscillatory fluid shear stress / regulation of cell differentiation / regulation of G1/S transition of mitotic cell cycle / Presynaptic phase of homologous DNA pairing and strand exchange / phosphoprotein phosphatase activity / RNA polymerase II transcribes snRNA genes / chromosome, centromeric region / DARPP-32 events / positive regulation of protein serine/threonine kinase activity / lateral plasma membrane / negative regulation of hippo signaling / proteasome assembly / mRNA export from nucleus / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Cyclin A/B1/B2 associated events during G2/M transition / spindle assembly / protein dephosphorylation / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / protein tyrosine phosphatase activity / embryo implantation / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / RNA endonuclease activity / Recruitment of mitotic centrosome proteins and complexes Similarity search - Function | |||||||||||||||||||||||||||||||||||||||
Biological species | ![]() | |||||||||||||||||||||||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.1 Å | |||||||||||||||||||||||||||||||||||||||
![]() | Zheng, H. / Xu, Y. / Cheng, J. | |||||||||||||||||||||||||||||||||||||||
Funding support | 1items
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![]() | ![]() Title: Stabilization of Integrator/INTAC by the small but versatile DSS1 protein. Authors: Xu, C. / Zhou, Q. / Zheng, H. / Song, A. / Zhao, W. / Xiong, Y. / Huang, Z. / Xu, Y. / Cheng, J. / Chen, F.X. | |||||||||||||||||||||||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 1.4 MB | Display | ![]() |
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PDB format | ![]() | 1.1 MB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 39338MC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Components
-Protein , 1 types, 1 molecules 0
#1: Protein | Mass: 8284.611 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Integrator complex subunit ... , 9 types, 9 molecules IKBDGAEFH
#2: Protein | Mass: 73891.219 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#3: Protein | Mass: 67756.562 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() References: UniProt: Q5TA45, Hydrolases; Acting on ester bonds; Endoribonucleases producing 3'-phosphomonoesters |
#4: Protein | Mass: 134451.625 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#5: Protein | Mass: 108306.758 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#6: Protein | Mass: 106952.617 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#9: Protein | Mass: 244574.922 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#10: Protein | Mass: 108115.227 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#11: Protein | Mass: 100527.078 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#12: Protein | Mass: 113219.859 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
-Serine/threonine-protein phosphatase 2A ... , 2 types, 2 molecules PQ
#7: Protein | Mass: 65378.344 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#8: Protein | Mass: 35636.152 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() References: UniProt: P67775, protein-serine/threonine phosphatase |
-Non-polymers , 2 types, 4 molecules 


#13: Chemical | #14: Chemical | |
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-Details
Has ligand of interest | N |
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Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: DSS1-INTAC-PEC / Type: COMPLEX / Entity ID: #1-#12 / Source: RECOMBINANT |
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Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() |
Buffer solution | pH: 7.4 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Specimen support | Grid material: GOLD / Grid type: Quantifoil R1.2/1.3 |
Vitrification | Cryogen name: ETHANE |
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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: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 1500 nm |
Specimen holder | Cryogen: NITROGEN |
Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
Particle selection | Num. of particles selected: 587397 | ||||||||||||||||||||||||
3D reconstruction | Resolution: 4.1 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 43790 / Symmetry type: POINT | ||||||||||||||||||||||||
Atomic model building | Protocol: RIGID BODY FIT | ||||||||||||||||||||||||
Atomic model building | PDB-ID: 7YCX Accession code: 7YCX / Source name: PDB / Type: experimental model |