- PDB-8asc: Ku70/80 binds to the Ku-binding motif of PAXX -
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基本情報
登録情報
データベース: PDB / ID: 8asc
タイトル
Ku70/80 binds to the Ku-binding motif of PAXX
要素
(X-ray repair cross-complementing protein ...) x 2
DNA (5'-D(P*CP*GP*GP*AP*TP*CP*GP*AP*GP*GP*GP*CP*CP*CP*GP*AP*TP*AP*T)-3')
DNA (5'-D(P*GP*GP*GP*CP*CP*CP*TP*CP*GP*AP*TP*CP*CP*G)-3')
Protein PAXX
キーワード
DNA BINDING PROTEIN / NHEJ / DNA repair
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 / nonhomologous end joining complex / regulation of smooth muscle cell proliferation / cellular response to X-ray ...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 / nonhomologous end joining complex / regulation of smooth muscle cell proliferation / cellular response to X-ray / double-strand break repair via classical nonhomologous end joining / nuclear telomere cap complex / Cytosolic sensors of pathogen-associated DNA / IRF3-mediated induction of type I IFN / positive regulation of neurogenesis / recombinational repair / regulation of telomere maintenance / protein localization to chromosome, telomeric region / U3 snoRNA binding / cellular hyperosmotic salinity response / 2-LTR circle formation / hematopoietic stem cell proliferation / telomeric DNA binding / positive regulation of protein kinase activity / 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 / site of DNA damage / 5'-deoxyribose-5-phosphate lyase activity / hematopoietic stem cell differentiation / ATP-dependent activity, acting on DNA / telomere maintenance via telomerase / DNA polymerase binding / neurogenesis / activation of innate immune response / DNA helicase activity / telomere maintenance / cyclin binding / cellular response to leukemia inhibitory factor / small-subunit processome / Nonhomologous End-Joining (NHEJ) / enzyme activator activity / cellular response to gamma radiation / protein-DNA complex / double-strand break repair via nonhomologous end joining / 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 / double-strand break repair / site of double-strand break / double-stranded DNA binding / scaffold protein binding / secretory granule lumen / DNA recombination / transcription regulator complex / ficolin-1-rich granule lumen / molecular adaptor activity / damaged DNA binding / chromosome, telomeric region / transcription cis-regulatory region binding / ribonucleoprotein complex / innate immune response / negative regulation of DNA-templated transcription / DNA damage response / ubiquitin protein ligase binding / Neutrophil degranulation / positive regulation of DNA-templated transcription / protein-containing complex binding / nucleolus / protein homodimerization activity / positive regulation of transcription by RNA polymerase II / ATP hydrolysis activity / protein-containing complex / DNA binding / RNA binding / extracellular region / nucleoplasm / ATP binding / identical protein binding / nucleus / membrane / plasma membrane / cytosol / cytoplasm 類似検索 - 分子機能
Protein PAXX / : / PAXX, PAralog of XRCC4 and XLF, also called C9orf142 / Ku70, bridge and pillars domain superfamily / : / Ku70 / Ku, C-terminal / Ku, C-terminal domain superfamily / Ku C terminal domain like / Ku80 ...Protein PAXX / : / PAXX, PAralog of XRCC4 and XLF, also called C9orf142 / 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 C-terminal arm / Ku70/Ku80, N-terminal alpha/beta / Ku70/Ku80 N-terminal alpha/beta domain / Ku70/Ku80 beta-barrel 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 motif profile. / SAP domain / Putative DNA-binding (bihelical) motif predicted to be involved in chromosomal organisation / SAP domain / von Willebrand factor, type A domain / von Willebrand factor (vWF) type A domain / von Willebrand factor, type A / von Willebrand factor A-like domain superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta 類似検索 - ドメイン・相同性
DNA / DNA (> 10) / X-ray repair cross-complementing protein 6 / X-ray repair cross-complementing protein 5 / Protein PAXX 類似検索 - 構成要素
French Alternative Energies and Atomic Energy Commission (CEA)
ANR Break Dance
フランス
引用
ジャーナル: Sci Adv / 年: 2023 タイトル: PAXX binding to the NHEJ machinery explains functional redundancy with XLF. 著者: Murielle Seif-El-Dahan / Antonia Kefala-Stavridi / Philippe Frit / Steven W Hardwick / Dima Y Chirgadze / Taiana Maia De Oliviera / Jessica Andreani / Sébastien Britton / Nadia Barboule / ...著者: Murielle Seif-El-Dahan / Antonia Kefala-Stavridi / Philippe Frit / Steven W Hardwick / Dima Y Chirgadze / Taiana Maia De Oliviera / Jessica Andreani / Sébastien Britton / Nadia Barboule / Madeleine Bossaert / Arun Prasad Pandurangan / Katheryn Meek / Tom L Blundell / Virginie Ropars / Patrick Calsou / Jean-Baptiste Charbonnier / Amanda K Chaplin / 要旨: Nonhomologous end joining is a critical mechanism that repairs DNA double-strand breaks in human cells. In this work, we address the structural and functional role of the accessory protein PAXX ...Nonhomologous end joining is a critical mechanism that repairs DNA double-strand breaks in human cells. In this work, we address the structural and functional role of the accessory protein PAXX [paralog of x-ray repair cross-complementing protein 4 (XRCC4) and XRCC4-like factor (XLF)] in this mechanism. Here, we report high-resolution cryo-electron microscopy (cryo-EM) and x-ray crystallography structures of the PAXX C-terminal Ku-binding motif bound to Ku70/80 and cryo-EM structures of PAXX bound to two alternate DNA-dependent protein kinase (DNA-PK) end-bridging dimers, mediated by either Ku80 or XLF. We identify residues critical for the Ku70/PAXX interaction in vitro and in cells. We demonstrate that PAXX and XLF can bind simultaneously to the Ku heterodimer and act as structural bridges in alternate forms of DNA-PK dimers. Last, we show that engagement of both proteins provides a complementary advantage for DNA end synapsis and end joining in cells.
A: X-ray repair cross-complementing protein 6 B: X-ray repair cross-complementing protein 5 C: DNA (5'-D(P*CP*GP*GP*AP*TP*CP*GP*AP*GP*GP*GP*CP*CP*CP*GP*AP*TP*AP*T)-3') D: DNA (5'-D(P*GP*GP*GP*CP*CP*CP*TP*CP*GP*AP*TP*CP*CP*G)-3') E: X-ray repair cross-complementing protein 6 F: X-ray repair cross-complementing protein 5 G: DNA (5'-D(P*CP*GP*GP*AP*TP*CP*GP*AP*GP*GP*GP*CP*CP*CP*GP*AP*TP*AP*T)-3') H: DNA (5'-D(P*GP*GP*GP*CP*CP*CP*TP*CP*GP*AP*TP*CP*CP*G)-3') J: Protein PAXX K: X-ray repair cross-complementing protein 6 L: X-ray repair cross-complementing protein 5 M: DNA (5'-D(P*CP*GP*GP*AP*TP*CP*GP*AP*GP*GP*GP*CP*CP*CP*GP*AP*TP*AP*T)-3') N: DNA (5'-D(P*GP*GP*GP*CP*CP*CP*TP*CP*GP*AP*TP*CP*CP*G)-3') O: X-ray repair cross-complementing protein 6 P: X-ray repair cross-complementing protein 5 Q: DNA (5'-D(P*CP*GP*GP*AP*TP*CP*GP*AP*GP*GP*GP*CP*CP*CP*GP*AP*TP*AP*T)-3') R: DNA (5'-D(P*GP*GP*GP*CP*CP*CP*TP*CP*GP*AP*TP*CP*CP*G)-3') T: Protein PAXX ヘテロ分子