Entry Database : EMDB / ID : EMD-39338 Downloads & linksTitle Cryo-EM structure of the human DSS1-INTAC complex Map datalocal resolution filtered map using relion Details SampleComplex : DSS1-INTAC-PECProtein or peptide : x 12 typesLigand : x 2 types Details Keywords DSS1 / Integrator / INTAC / TRANSCRIPTIONFunction / homology Function and homology informationFunction Domain/homology Component
U2 snRNA 3'-end processing / meiotic spindle elongation / Integration of energy metabolism / PP2A-mediated dephosphorylation of key metabolic factors / snRNA 3'-end processing / mitotic sister chromatid separation / MASTL Facilitates Mitotic Progression / protein phosphatase type 2A complex / RNA polymerase II CTD heptapeptide repeat S2 phosphatase activity / RNA polymerase II CTD heptapeptide repeat S7 phosphatase activity ... U2 snRNA 3'-end processing / meiotic spindle elongation / Integration of energy metabolism / PP2A-mediated dephosphorylation of key metabolic factors / snRNA 3'-end processing / mitotic sister chromatid separation / MASTL Facilitates Mitotic Progression / protein phosphatase type 2A complex / RNA polymerase II CTD heptapeptide repeat S2 phosphatase activity / RNA polymerase II CTD heptapeptide repeat S7 phosphatase activity / protein serine/threonine phosphatase complex / regulation of meiotic cell cycle process involved in oocyte maturation / peptidyl-threonine dephosphorylation / meiotic sister chromatid cohesion, centromeric / snRNA processing / INTAC complex / FAR/SIN/STRIPAK complex / RNA polymerase II CTD heptapeptide repeat S5 phosphatase activity / Regulation of glycolysis by fructose 2,6-bisphosphate metabolism / Inhibition of replication initiation of damaged DNA by RB1/E2F1 / female meiotic nuclear division / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / regulation of transcription elongation by RNA polymerase II / protein phosphatase regulator activity / GABA receptor binding / integrator complex / APC truncation mutants have impaired AXIN binding / AXIN missense mutants destabilize the destruction complex / Truncations of AMER1 destabilize the destruction complex / protein antigen binding / ERKs are inactivated / Initiation of Nuclear Envelope (NE) Reformation / Hydrolases; Acting on ester bonds; Endoribonucleases producing 3'-phosphomonoesters / positive regulation of extrinsic apoptotic signaling pathway in absence of ligand / 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 / RNA polymerase II transcription initiation surveillance / 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 / Cross-presentation of soluble exogenous antigens (endosomes) / 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 / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / Resolution of D-loop Structures through Holliday Junction Intermediates / negative regulation of epithelial to mesenchymal transition / inner cell mass cell proliferation / Somitogenesis / Co-inhibition by CTLA4 / Platelet sensitization by LDL / Impaired BRCA2 binding to RAD51 / protein-serine/threonine phosphatase / negative regulation of glycolytic process through fructose-6-phosphate / positive regulation of NLRP3 inflammasome complex assembly / ERK/MAPK targets / protein serine/threonine phosphatase activity / mesoderm development / vascular endothelial cell response to oscillatory fluid shear stress / T cell homeostasis / regulation of G1/S transition of mitotic cell cycle / regulation of cell differentiation / regulation of microtubule polymerization / Presynaptic phase of homologous DNA pairing and strand exchange / phosphoprotein phosphatase activity / lateral plasma membrane / RNA polymerase II transcribes snRNA genes / chromosome, centromeric region / DARPP-32 events / negative regulation of hippo signaling / proteasome assembly / mRNA export from nucleus / Cyclin A/B1/B2 associated events during G2/M transition / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / protein dephosphorylation / spindle assembly / protein localization to chromatin / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / Regulation of activated PAK-2p34 by proteasome mediated degradation / Mitotic Prometaphase / embryo implantation / EML4 and NUDC in mitotic spindle formation / RNA endonuclease activity / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / cellular response to ionizing radiation / Recruitment of mitotic centrosome proteins and complexes / Autodegradation of Cdh1 by Cdh1:APC/C / negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / APC/C:Cdc20 mediated degradation of Securin / Asymmetric localization of PCP proteins Similarity search - Function Domain of unknown function DUF3677 / Integrator complex subunit 2, metazoa / Integrator complex subunit 2 / Integrator complex subunit 7 / Integrator complex subunit 1 / : / : / : / : / : ... Domain of unknown function DUF3677 / Integrator complex subunit 2, metazoa / Integrator complex subunit 2 / Integrator complex subunit 7 / Integrator complex subunit 1 / : / : / : / : / : / : / Integrator complex subunit 1, RP2B-binding domain / Integrator complex subunit 2 / Integrator complex subunit 1, R3 domain / Integrator complex subunit 1, R4 domain / Integrator complex subunit 1, INTS2-binding domain / Integrator complex subunit 7, C-terminal domain / Integrator complex subunit 7, N-terminal / Integrator complex subunit 7 helical bundle / INTS6 beta-barrel domain / INTS6/SAGE1/DDX26B/CT45, C-terminal / : / INTS6/SAGE1/DDX26B/CT45 C-terminus / Integrator complex subunit 5, C-terminal / Integrator complex subunit 5, N-terminal / Integrator complex subunit 8 / Integrator complex subunit 5 / Integrator complex subunit 5 N-terminus / Integrator complex subunit 5 C-terminus / : / INTS4 8 helical bundle domain / Integrator subunit 4 family C-terminal Ig-like domain / Sister chromatid cohesion protein PDS5 protein / Integrator complex subunit 9 / : / Integrator IntS9, C-terminal domain / Integrator complex subunit 11, MBL-fold / : / Integrator IntS11, C-terminal domain / Metallo-beta-lactamase superfamily domain / : / : / : / Beta-Casp domain / Beta-Casp domain / Beta-Casp domain / Zn-dependent metallo-hydrolase, RNA specificity domain / Zn-dependent metallo-hydrolase RNA specificity domain / HEAT repeat / HEAT repeat / : / PPP2R1A-like HEAT repeat / Serine/threonine specific protein phosphatases signature. / Protein phosphatase 2A homologues, catalytic domain. / DSS1/SEM1 / DSS1/SEM1 family / DSS1_SEM1 / Serine/threonine-specific protein phosphatase/bis(5-nucleosyl)-tetraphosphatase / HEAT repeat profile. / HEAT, type 2 / von Willebrand factor type A domain / HEAT repeats / Calcineurin-like phosphoesterase domain, ApaH type / Calcineurin-like phosphoesterase / Metallo-dependent phosphatase-like / VWFA domain profile. / Metallo-beta-lactamase superfamily / Metallo-beta-lactamase / von Willebrand factor, type A / Ribonuclease Z/Hydroxyacylglutathione hydrolase-like / von Willebrand factor A-like domain superfamily / Armadillo-like helical / Tetratricopeptide-like helical domain superfamily / Armadillo-type fold Similarity search - Domain/homology Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform / 26S proteasome complex subunit SEM1 / Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform / Integrator complex subunit 11 / Integrator complex subunit 5 / Integrator complex subunit 8 / Integrator complex subunit 1 / Integrator complex subunit 4 / Integrator complex subunit 2 / Integrator complex subunit 9 ... Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform / 26S proteasome complex subunit SEM1 / Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform / Integrator complex subunit 11 / Integrator complex subunit 5 / Integrator complex subunit 8 / Integrator complex subunit 1 / Integrator complex subunit 4 / Integrator complex subunit 2 / Integrator complex subunit 9 / Integrator complex subunit 7 / Integrator complex subunit 6 Similarity search - ComponentBiological species Homo sapiens (human)Method single particle reconstruction / cryo EM / Resolution : 4.1 Å Details AuthorsZheng H / Xu Y / Cheng J Funding support 1 items Details Hide detailsOrganization Grant number Country Not funded
CitationJournal : To Be Published 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 FX History Deposition Mar 1, 2024 - Header (metadata) release Mar 5, 2025 - Map release Mar 5, 2025 - Update Mar 5, 2025 - Current status Mar 5, 2025 Processing site : PDBj / Status : Released
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