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
ketone biosynthetic process / protein delipidation / NAD+-protein-lysine ADP-ribosyltransferase activity / regulation of lipid catabolic process / chromosome, subtelomeric region / positive regulation of protein localization to chromatin / NAD-dependent protein demyristoylase activity / NAD-dependent protein depalmitoylase activity / NAD+-protein-arginine ADP-ribosyltransferase activity / DNA damage sensor activity ... ketone biosynthetic process / protein delipidation / NAD+-protein-lysine ADP-ribosyltransferase activity / regulation of lipid catabolic process / chromosome, subtelomeric region / positive regulation of protein localization to chromatin / NAD-dependent protein demyristoylase activity / NAD-dependent protein depalmitoylase activity / NAD+-protein-arginine ADP-ribosyltransferase activity / DNA damage sensor activity / positive regulation of stem cell differentiation / NAD-dependent protein lysine deacetylase activity / positive regulation of chondrocyte proliferation / transposable element silencing / cardiac muscle cell differentiation / protein acetyllysine N-acetyltransferase / histone H3K14 deacetylase activity, NAD-dependent / histone H3K9 deacetylase activity, NAD-dependent / histone H4K16 deacetylase activity, NAD-dependent / histone H3K18 deacetylase activity, NAD-dependent / histone H3K56 deacetylase activity, NAD-dependent / histone H3K4 deacetylase activity, NAD-dependent / pericentric heterochromatin formation / histone deacetylase activity, NAD-dependent / protein deacetylation / negative regulation of D-glucose import / protein localization to site of double-strand break / positive regulation of blood vessel branching / histone H3K9 deacetylase activity, hydrolytic mechanism / negative regulation of glycolytic process / negative regulation of protein localization to chromatin / positive regulation of vascular endothelial cell proliferation / TORC2 complex binding / histone deacetylase regulator activity / regulation of double-strand break repair via homologous recombination / negative regulation of protein import into nucleus / positive regulation of double-strand break repair / lncRNA binding / regulation of protein secretion / DNA repair-dependent chromatin remodeling / negative regulation of gene expression, epigenetic / positive regulation of stem cell proliferation / positive regulation of stem cell population maintenance / NAD+-protein mono-ADP-ribosyltransferase activity / positive regulation of telomere maintenance / negative regulation of transcription elongation by RNA polymerase II / site of DNA damage / regulation of lipid metabolic process / NAD+ poly-ADP-ribosyltransferase activity / 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 / negative regulation of cellular senescence / NAD+ binding / positive regulation of fat cell differentiation / negative regulation of gluconeogenesis / subtelomeric heterochromatin formation / regulation of protein localization to plasma membrane / pericentric heterochromatin / response to UV / nucleosome binding / enzyme regulator activity / 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 / regulation of circadian rhythm / protein destabilization / base-excision repair / positive regulation of insulin secretion / chromatin DNA binding / Pre-NOTCH Transcription and Translation / positive regulation of fibroblast proliferation / protein import into nucleus / transcription corepressor activity / structural constituent of chromatin / nucleosome / heterochromatin formation / glucose homeostasis / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / double-strand break repair / nucleosome assembly / site of double-strand break / positive regulation of cold-induced thermogenesis / 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 ... 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 / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / Histone H4, conserved site / Histone H4 signature. / Histone H4 / Histone H4 / 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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