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データを開く
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基本情報
登録情報 | データベース: PDB / ID: 7uv9 | |||||||||||||||
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タイトル | KDM2A-nucleosome structure stabilized by H3K36C-UNC8015 covalent conjugate | |||||||||||||||
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![]() | GENE REGULATION/DNA / chromatin nucleosome lysine demethylase JmjC protein / GENE REGULATION-DNA complex | |||||||||||||||
機能・相同性 | ![]() [histone H3]-dimethyl-L-lysine36 demethylase / histone H3K36me/H3K36me2 demethylase activity / unmethylated CpG binding / histone H3K36 demethylase activity / negative regulation of transcription by competitive promoter binding / histone demethylase activity / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus ...[histone H3]-dimethyl-L-lysine36 demethylase / histone H3K36me/H3K36me2 demethylase activity / unmethylated CpG binding / histone H3K36 demethylase activity / negative regulation of transcription by competitive promoter binding / histone demethylase activity / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / Deposition of new CENPA-containing nucleosomes at the centromere / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / telomere organization / Interleukin-7 signaling / Inhibition of DNA recombination at telomere / RNA Polymerase I Promoter Opening / Meiotic synapsis / Assembly of the ORC complex at the origin of replication / SUMOylation of chromatin organization proteins / Regulation of endogenous retroelements by the Human Silencing Hub (HUSH) complex / DNA methylation / Condensation of Prophase Chromosomes / Chromatin modifications during the maternal to zygotic transition (MZT) / HCMV Late Events / SIRT1 negatively regulates rRNA expression / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / PRC2 methylates histones and DNA / innate immune response in mucosa / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / HDMs demethylate histones / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / HDACs deacetylate histones / transcription coregulator activity / RNA Polymerase I Promoter Escape / Nonhomologous End-Joining (NHEJ) / Transcriptional regulation by small RNAs / circadian regulation of gene expression / Formation of the beta-catenin:TCF transactivating complex / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / G2/M DNA damage checkpoint / regulation of circadian rhythm / Metalloprotease DUBs / NoRC negatively regulates rRNA expression / DNA Damage/Telomere Stress Induced Senescence / B-WICH complex positively regulates rRNA expression / PKMTs methylate histone lysines / Meiotic recombination / Pre-NOTCH Transcription and Translation / double-strand break repair via nonhomologous end joining / RMTs methylate histone arginines / Activation of anterior HOX genes in hindbrain development during early embryogenesis / Transcriptional regulation of granulopoiesis / UCH proteinases / HCMV Early Events / antimicrobial humoral immune response mediated by antimicrobial peptide / structural constituent of chromatin / antibacterial humoral response / E3 ubiquitin ligases ubiquitinate target proteins / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / nucleosome / heterochromatin formation / RUNX1 regulates transcription of genes involved in differentiation of HSCs / nucleosome assembly / Processing of DNA double-strand break ends / HATs acetylate histones / chromosome / chromatin organization / Senescence-Associated Secretory Phenotype (SASP) / Factors involved in megakaryocyte development and platelet production / MLL4 and MLL3 complexes regulate expression of PPARG target genes in adipogenesis and hepatic steatosis / Oxidative Stress Induced Senescence / Estrogen-dependent gene expression / gene expression / chromosome, telomeric region / Ub-specific processing proteases / defense response to Gram-positive bacterium / chromatin remodeling / Amyloid fiber formation / protein heterodimerization activity / chromatin binding / regulation of transcription by RNA polymerase II / enzyme binding / negative regulation of transcription by RNA polymerase II / protein-containing complex / extracellular space / DNA binding / RNA binding / extracellular exosome / extracellular region / zinc ion binding / nucleoplasm / identical protein binding / nucleus 類似検索 - 分子機能 | |||||||||||||||
生物種 | ![]() synthetic construct (人工物) | |||||||||||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.2 Å | |||||||||||||||
![]() | Spangler, C.J. / Skrajna, A. / Foley, C.A. / Budziszewski, G.R. / Azzam, D.N. / James, L.I. / Frye, S.V. / McGinty, R.K. | |||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structural basis of paralog-specific KDM2A/B nucleosome recognition. 著者: Cathy J Spangler / Aleksandra Skrajna / Caroline A Foley / Anh Nguyen / Gabrielle R Budziszewski / Dalal N Azzam / Eyla C Arteaga / Holly C Simmons / Charlotte B Smith / Nathaniel A Wesley / ...著者: Cathy J Spangler / Aleksandra Skrajna / Caroline A Foley / Anh Nguyen / Gabrielle R Budziszewski / Dalal N Azzam / Eyla C Arteaga / Holly C Simmons / Charlotte B Smith / Nathaniel A Wesley / Emily M Wilkerson / Jeanne-Marie E McPherson / Dmitri Kireev / Lindsey I James / Stephen V Frye / Dennis Goldfarb / Robert K McGinty / ![]() 要旨: The nucleosome acidic patch is a major interaction hub for chromatin, providing a platform for enzymes to dock and orient for nucleosome-targeted activities. To define the molecular basis of acidic ...The nucleosome acidic patch is a major interaction hub for chromatin, providing a platform for enzymes to dock and orient for nucleosome-targeted activities. To define the molecular basis of acidic patch recognition proteome wide, we performed an amino acid resolution acidic patch interactome screen. We discovered that the histone H3 lysine 36 (H3K36) demethylase KDM2A, but not its closely related paralog, KDM2B, requires the acidic patch for nucleosome binding. Despite fundamental roles in transcriptional repression in health and disease, the molecular mechanisms governing nucleosome substrate specificity of KDM2A/B, or any related JumonjiC (JmjC) domain lysine demethylase, remain unclear. We used a covalent conjugate between H3K36 and a demethylase inhibitor to solve cryogenic electron microscopy structures of KDM2A and KDM2B trapped in action on a nucleosome substrate. Our structures show that KDM2-nucleosome binding is paralog specific and facilitated by dynamic nucleosomal DNA unwrapping and histone charge shielding that mobilize the H3K36 sequence for demethylation. | |||||||||||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 366.1 KB | 表示 | ![]() |
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PDB形式 | ![]() | 275.3 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 1 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 1 MB | 表示 | |
XML形式データ | ![]() | 51.2 KB | 表示 | |
CIF形式データ | ![]() | 79.8 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 26809MC ![]() 7uvaC M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 ( |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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集合体
登録構造単位 | ![]()
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要素
-タンパク質 , 5種, 9分子 AEBFCGDHK
#1: タンパク質 | 分子量: 15231.801 Da / 分子数: 2 / 変異: K36C / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 遺伝子: H3C15, HIST2H3A, H3C14, H3F2, H3FM, HIST2H3C, H3C13, HIST2H3D プラスミド: pST50Tr / 発現宿主: ![]() ![]() #2: タンパク質 | 分子量: 11263.231 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 遺伝子: H4C1, H4/A, H4FA, HIST1H4A, H4C2, H4/I, H4FI, HIST1H4B, H4C3, H4/G, H4FG, HIST1H4C, H4C4, H4/B, H4FB, HIST1H4D, H4C5, H4/J, H4FJ, HIST1H4E, H4C6, H4/C, H4FC, HIST1H4F, H4C8, H4/H, H4FH, ...遺伝子: H4C1, H4/A, H4FA, HIST1H4A, H4C2, H4/I, H4FI, HIST1H4B, H4C3, H4/G, H4FG, HIST1H4C, H4C4, H4/B, H4FB, HIST1H4D, H4C5, H4/J, H4FJ, HIST1H4E, H4C6, H4/C, H4FC, HIST1H4F, H4C8, H4/H, H4FH, HIST1H4H, H4C9, H4/M, H4FM, HIST1H4I, H4C11, H4/E, H4FE, HIST1H4J, H4C12, H4/D, H4FD, HIST1H4K, H4C13, H4/K, H4FK, HIST1H4L, H4C14, H4/N, H4F2, H4FN, HIST2H4, HIST2H4A, H4C15, H4/O, H4FO, HIST2H4B, H4-16, HIST4H4 プラスミド: pST50Tr / 発現宿主: ![]() ![]() #3: タンパク質 | 分子量: 13990.342 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 遺伝子: H2AC11, H2AFP, HIST1H2AG, H2AC13, H2AFC, HIST1H2AI, H2AC15, H2AFD, HIST1H2AK, H2AC16, H2AFI, HIST1H2AL, H2AC17, H2AFN, HIST1H2AM プラスミド: pST50Tr / 発現宿主: ![]() ![]() #4: タンパク質 | 分子量: 13806.018 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 遺伝子: H2BC4, H2BFL, HIST1H2BC, H2BC6, H2BFH, HIST1H2BE, H2BC7, H2BFG, HIST1H2BF, H2BC8, H2BFA, HIST1H2BG, H2BC10, H2BFK, HIST1H2BI プラスミド: pST50Tr / 発現宿主: ![]() ![]() #7: タンパク質 | | 分子量: 79868.062 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 遺伝子: KDM2A, CXXC8, FBL11, FBL7, FBXL11, JHDM1A, KIAA1004 プラスミド: pST50Tr / 発現宿主: ![]() ![]() 参照: UniProt: Q9Y2K7, [histone H3]-dimethyl-L-lysine36 demethylase |
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-DNA鎖 , 2種, 2分子 IJ
#5: DNA鎖 | 分子量: 57400.559 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) synthetic construct (人工物) / 発現宿主: ![]() ![]() |
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#6: DNA鎖 | 分子量: 56831.191 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) synthetic construct (人工物) / 発現宿主: ![]() ![]() |
-非ポリマー , 2種, 2分子 


#8: 化合物 | ChemComp-OH0 / |
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#9: 化合物 | ChemComp-FE / |
-詳細
研究の焦点であるリガンドがあるか | Y |
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-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
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EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
構成要素 | 名称: KDM2A-nucleosome complex stabilized by H3K36C-UNC8015 covalent conjugate タイプ: COMPLEX / Entity ID: #1-#7 / 由来: MULTIPLE SOURCES | |||||||||||||||
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分子量 | 値: 0.31 MDa / 実験値: NO | |||||||||||||||
由来(天然) | 生物種: ![]() | |||||||||||||||
由来(組換発現) | 生物種: ![]() ![]() | |||||||||||||||
緩衝液 | pH: 7.5 | |||||||||||||||
緩衝液成分 |
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試料 | 濃度: 1 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | |||||||||||||||
試料支持 | 詳細: Tergeo EM plasma cleaner / グリッドの材料: COPPER / グリッドのタイプ: Quantifoil R1.2/1.3 | |||||||||||||||
急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE-PROPANE / 湿度: 100 % / 凍結前の試料温度: 277 K |
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電子顕微鏡撮影
実験機器 | ![]() モデル: Talos Arctica / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TALOS ARCTICA |
電子銃 | 電子線源: ![]() |
電子レンズ | モード: BRIGHT FIELD / 倍率(公称値): 45000 X / 最大 デフォーカス(公称値): 3000 nm / 最小 デフォーカス(公称値): 500 nm |
試料ホルダ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
撮影 | 電子線照射量: 45 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 撮影したグリッド数: 1 / 実像数: 9075 |
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解析
EMソフトウェア |
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||
粒子像の選択 | 選択した粒子像数: 2171614 | ||||||||||||||||||||||||||||||||||||
3次元再構成 | 解像度: 3.2 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 55125 / 対称性のタイプ: POINT | ||||||||||||||||||||||||||||||||||||
原子モデル構築 | 空間: REAL | ||||||||||||||||||||||||||||||||||||
原子モデル構築 | PDB-ID: 7JO9 Accession code: 7JO9 / Source name: PDB / タイプ: experimental model |