- EMDB-15416: Vaccinia C16 protein bound to Ku70/Ku80 -
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基本情報
登録情報
データベース: EMDB / ID: EMD-15416
タイトル
Vaccinia C16 protein bound to Ku70/Ku80
マップデータ
Map of C16 vaccinia protein bound to Ku70/Ku80
試料
複合体: Vaccinia C16 protein bound to Ku70/Ku80
タンパク質・ペプチド: Ku70-Xrcc6
タンパク質・ペプチド: X-ray repair cross-complementing protein 5
タンパク質・ペプチド: Protein C10
機能・相同性
機能・相同性情報
Ku70:Ku80 complex / negative regulation of t-circle formation / DNA end binding / small-subunit processome assembly / positive regulation of lymphocyte differentiation / DNA-dependent protein kinase complex / DNA-dependent protein kinase-DNA ligase 4 complex / cellular response to X-ray / nonhomologous end joining complex / DNA ligation ...Ku70:Ku80 complex / negative regulation of t-circle formation / DNA end binding / small-subunit processome assembly / positive regulation of lymphocyte differentiation / DNA-dependent protein kinase complex / DNA-dependent protein kinase-DNA ligase 4 complex / cellular response to X-ray / nonhomologous end joining complex / DNA ligation / regulation of smooth muscle cell proliferation / nuclear telomere cap complex / Cytosolic sensors of pathogen-associated DNA / double-strand break repair via classical nonhomologous end joining / IRF3-mediated induction of type I IFN / recombinational repair / regulation of telomere maintenance / U3 snoRNA binding / positive regulation of neurogenesis / cellular response to fatty acid / hematopoietic stem cell proliferation / protein localization to chromosome, telomeric region / cellular hyperosmotic salinity response / telomeric DNA binding / positive regulation of catalytic activity / 2-LTR circle formation / site of DNA damage / 付加脱離酵素(リアーゼ); 炭素-酸素リアーゼ類; その他の炭素-酸素リアーゼ / 5'-deoxyribose-5-phosphate lyase activity / hematopoietic stem cell differentiation / positive regulation of protein kinase activity / ATP-dependent activity, acting on DNA / DNA helicase activity / positive regulation of telomerase activity / enzyme activator activity / positive regulation of telomere maintenance via telomerase / activation of innate immune response / telomere maintenance / cyclin binding / neurogenesis / cellular response to leukemia inhibitory factor / protein-DNA complex / Nonhomologous End-Joining (NHEJ) / small-subunit processome / 加水分解酵素; 酸無水物に作用; 酸無水物に作用・細胞または細胞小器官の運動に関与 / cellular response to gamma radiation / double-strand break repair via nonhomologous end joining / double-strand break repair / scaffold protein binding / double-stranded DNA binding / DNA recombination / secretory granule lumen / ficolin-1-rich granule lumen / transcription regulator complex / chromosome, telomeric region / damaged DNA binding / transcription cis-regulatory region binding / ribonucleoprotein complex / response to xenobiotic stimulus / innate immune response / negative regulation of DNA-templated transcription / ubiquitin protein ligase binding / DNA damage response / Neutrophil degranulation / protein-containing complex binding / nucleolus / positive regulation of DNA-templated transcription / ATP hydrolysis activity / positive regulation of transcription by RNA polymerase II / protein-containing complex / DNA binding / RNA binding / extracellular region / nucleoplasm / ATP binding / membrane / nucleus / plasma membrane / cytosol 類似検索 - 分子機能
Poxvirus C4/C10 / Poxvirus C4/C10 protein / Ku70, bridge and pillars domain superfamily / : / Ku70 / Ku, C-terminal / Ku, C-terminal domain superfamily / Ku C terminal domain like / Ku80 / Ku70/Ku80 C-terminal arm ...Poxvirus C4/C10 / Poxvirus C4/C10 protein / Ku70, bridge and pillars domain superfamily / : / Ku70 / Ku, C-terminal / Ku, C-terminal domain superfamily / Ku C terminal domain like / Ku80 / Ku70/Ku80 C-terminal arm / Ku70/Ku80, N-terminal alpha/beta / Ku70/Ku80 beta-barrel domain / Ku70/Ku80 C-terminal arm / Ku70/Ku80 N-terminal alpha/beta domain / Ku70 and Ku80 are 70kDa and 80kDa subunits of the Lupus Ku autoantigen / Ku70/Ku80 beta-barrel domain / SPOC-like, C-terminal domain superfamily / SAP domain superfamily / SAP domain / SAP motif profile. / Putative DNA-binding (bihelical) motif predicted to be involved in chromosomal organisation / SAP domain / von Willebrand factor (vWF) type A domain / von Willebrand factor, type A / von Willebrand factor A-like domain superfamily 類似検索 - ドメイン・相同性
Protein C10 / X-ray repair cross-complementing protein 6 / X-ray repair cross-complementing protein 5 類似検索 - 構成要素
生物種
Homo sapiens (ヒト) / Vaccinia virus Western Reserve (ウイルス)
ジャーナル: Nat Commun / 年: 2022 タイトル: Structural basis for the inactivation of cytosolic DNA sensing by the vaccinia virus. 著者: Angel Rivera-Calzada / Raquel Arribas-Bosacoma / Alba Ruiz-Ramos / Paloma Escudero-Bravo / Jasminka Boskovic / Rafael Fernandez-Leiro / Antony W Oliver / Laurence H Pearl / Oscar Llorca / 要旨: Detection of cytosolic DNA is a central element of the innate immunity system against viral infection. The Ku heterodimer, a component of the NHEJ pathway of DNA repair in the nucleus, functions as ...Detection of cytosolic DNA is a central element of the innate immunity system against viral infection. The Ku heterodimer, a component of the NHEJ pathway of DNA repair in the nucleus, functions as DNA sensor that detects dsDNA of viruses that replicate in the cytoplasm. Vaccinia virus expresses two proteins, C4 and C16, that inactivate DNA sensing and enhance virulence. The structural basis for this is unknown. Here we determine the structure of the C16 - Ku complex using cryoEM. Ku binds dsDNA by a preformed ring but C16 sterically blocks this access route, abrogating binding to a dsDNA end and its insertion into DNA-PK, thereby averting signalling into the downstream innate immunity system. C4 replicates these activities using a domain with 54% identity to C16. Our results reveal how vaccinia virus subverts the capacity of Ku to recognize viral DNA.