登録情報 データベース : EMDB / ID : EMD-16842 ダウンロードとリンクタイトル SIRT6 bound nucleosome マップデータSharpened map 詳細 試料複合体 : Human Sirtuin 6 in complex with the nucleosome複合体 : Human NAD-dependent protein deacylase sirtuin-6タンパク質・ペプチド : Human NAD-dependent protein deacylase sirtuin-6複合体 : Histonesタンパク質・ペプチド : Histone H2Aタンパク質・ペプチド : Histone H2Bタンパク質・ペプチド : Histone H3タンパク質・ペプチド : Histone H4複合体 : DNADNA : DNA (145-MER)DNA : DNA (145-MER) 詳細 キーワード Transferase / Deacetylase / Histone H3 deacetylation / GENE REGULATION機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
NAD-dependent histone H3K56 deacetylase activity / NAD-dependent histone H3K18 deacetylase activity / NAD-dependent histone H3K9 deacetylase activity / protein delipidation / ketone biosynthetic process / regulation of lipid catabolic process / NAD+-protein-lysine ADP-ribosyltransferase activity / chromosome, subtelomeric region / NAD-dependent protein demyristoylase activity / NAD-dependent protein depalmitoylase activity ... NAD-dependent histone H3K56 deacetylase activity / NAD-dependent histone H3K18 deacetylase activity / NAD-dependent histone H3K9 deacetylase activity / protein delipidation / ketone biosynthetic process / regulation of lipid catabolic process / NAD+-protein-lysine ADP-ribosyltransferase activity / chromosome, subtelomeric region / NAD-dependent protein demyristoylase activity / NAD-dependent protein depalmitoylase activity / NAD+-protein-arginine ADP-ribosyltransferase activity / positive regulation of protein localization to chromatin / DNA damage sensor activity / positive regulation of stem cell differentiation / positive regulation of blood vessel branching / NAD-dependent protein lysine deacetylase activity / retrotransposon silencing / protein acetyllysine N-acetyltransferase / cardiac muscle cell differentiation / positive regulation of chondrocyte proliferation / pericentric heterochromatin formation / positive regulation of telomere maintenance / protein deacetylation / negative regulation of glucose import / NAD-dependent histone deacetylase activity / protein localization to site of double-strand break / TORC2 complex binding / lncRNA binding / negative regulation of glycolytic process / negative regulation of protein localization to chromatin / positive regulation of double-strand break repair / DNA repair-dependent chromatin remodeling / positive regulation of vascular endothelial cell proliferation / negative regulation of protein import into nucleus / regulation of double-strand break repair via homologous recombination / negative regulation of gene expression, epigenetic / positive regulation of stem cell population maintenance / positive regulation of stem cell proliferation / regulation of protein secretion / negative regulation of transcription elongation by RNA polymerase II / NAD+-protein ADP-ribosyltransferase activity / negative regulation of cellular senescence / site of DNA damage / regulation of lipid metabolic process / 転移酵素; グリコシル基を移すもの; 五炭糖残基を移すもの / NAD+-protein poly-ADP-ribosyltransferase activity / NAD+ binding / subtelomeric heterochromatin formation / positive regulation of fat cell differentiation / regulation of protein localization to plasma membrane / negative regulation of gluconeogenesis / pericentric heterochromatin / response to UV / nucleosome binding / 転移酵素; アシル基を移すもの; アミノアシル基以外のアシル基を移すもの / nucleotidyltransferase activity / positive regulation of protein export from nucleus / determination of adult lifespan / circadian regulation of gene expression / protein destabilization / base-excision repair / regulation of circadian rhythm / positive regulation of insulin secretion / chromatin DNA binding / Pre-NOTCH Transcription and Translation / structural constituent of chromatin / transcription corepressor activity / nucleosome / positive regulation of fibroblast proliferation / double-strand break repair / nucleosome assembly / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / glucose homeostasis / positive regulation of cold-induced thermogenesis / site of double-strand break / Processing of DNA double-strand break ends / damaged DNA binding / chromatin remodeling / protein heterodimerization activity / negative regulation of cell population proliferation / intracellular membrane-bounded organelle / chromatin binding / chromatin / negative regulation of transcription by RNA polymerase II / endoplasmic reticulum / protein homodimerization activity / DNA binding / zinc ion binding / nucleoplasm / nucleus 類似検索 - 分子機能 : / Sirtuin family / Sir2 family / Sirtuin family, catalytic core domain / Sirtuin catalytic domain profile. / DHS-like NAD/FAD-binding domain superfamily / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site ... : / Sirtuin family / Sir2 family / Sirtuin family, catalytic core domain / Sirtuin catalytic domain profile. / DHS-like NAD/FAD-binding domain superfamily / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site / Histone H2A signature. / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone H2A / Histone 2A / Histone H4, conserved site / Histone H4 signature. / Histone H4 / Histone H4 / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / CENP-T/Histone H4, histone fold / Centromere kinetochore component CENP-T histone fold / Histone H3 signature 1. / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold 類似検索 - ドメイン・相同性 Histone H2B 1.1 / Histone H2A type 1 / Histone H4 / Histone H3.2 / NAD-dependent protein deacylase sirtuin-6 類似検索 - 構成要素生物種 Homo sapiens (ヒト) / Xenopus laevis (アフリカツメガエル) / synthetic construct (人工物) 手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 2.94 Å 詳細 データ登録者Smirnova E / Bignon E / Schultz P / Papai G / Ben-Shem A 資金援助 フランス, 1件 詳細 詳細を隠すOrganization Grant number 国 Other private フランス
引用ジャーナル : Elife / 年 : 2024タイトル : Binding to nucleosome poises human SIRT6 for histone H3 deacetylation.
著者 :
Ekaterina Smirnova / Emmanuelle Bignon / Patrick Schultz / Gabor Papai / Adam Ben Shem / 要旨 :
Sirtuin 6 (SIRT6) is an NAD-dependent histone H3 deacetylase that is prominently found associated with chromatin, attenuates transcriptionally active promoters and regulates DNA repair, metabolic ... Sirtuin 6 (SIRT6) is an NAD-dependent histone H3 deacetylase that is prominently found associated with chromatin, attenuates transcriptionally active promoters and regulates DNA repair, metabolic homeostasis and lifespan. Unlike other sirtuins, it has low affinity to free histone tails but demonstrates strong binding to nucleosomes. It is poorly understood how SIRT6 docking on nucleosomes stimulates its histone deacetylation activity. Here, we present the structure of human SIRT6 bound to a nucleosome determined by cryogenic electron microscopy. The zinc finger domain of SIRT6 associates tightly with the acidic patch of the nucleosome through multiple arginine anchors. The Rossmann fold domain binds to the terminus of the looser DNA half of the nucleosome, detaching two turns of the DNA from the histone octamer and placing the NAD binding pocket close to the DNA exit site. This domain shows flexibility with respect to the fixed zinc finger and moves with, but also relative to, the unwrapped DNA terminus. We apply molecular dynamics simulations of the histone tails in the nucleosome to show that in this mode of interaction, the active site of SIRT6 is perfectly poised to catalyze deacetylation of the H3 histone tail and that the partial unwrapping of the DNA allows even lysines close to the H3 core to reach the enzyme. 残り1件を表示 表示を減らす履歴 登録 2023年3月13日 - ヘッダ(付随情報) 公開 2023年8月9日 - マップ公開 2023年8月9日 - 更新 2024年3月13日 - 現状 2024年3月13日 処理サイト : PDBe / 状態 : 公開
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