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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: 8qr1 | ||||||
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タイトル | Cryo-EM structure of the human Tip60 complex | ||||||
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![]() | TRANSCRIPTION / Eukaryotic transcription / Histone acetyltransferase / chromatin remodeling / Complex | ||||||
機能・相同性 | ![]() piccolo histone acetyltransferase complex / promoter-enhancer loop anchoring activity / telomerase RNA localization to Cajal body / positive regulation of norepinephrine uptake / regulation of DNA strand elongation / positive regulation of telomere maintenance in response to DNA damage / sperm DNA condensation / histone chaperone activity / establishment of protein localization to chromatin / cellular response to cytochalasin B ...piccolo histone acetyltransferase complex / promoter-enhancer loop anchoring activity / telomerase RNA localization to Cajal body / positive regulation of norepinephrine uptake / regulation of DNA strand elongation / positive regulation of telomere maintenance in response to DNA damage / sperm DNA condensation / histone chaperone activity / establishment of protein localization to chromatin / cellular response to cytochalasin B / R2TP complex / bBAF complex / npBAF complex / regulation of transepithelial transport / nBAF complex / dynein axonemal particle / brahma complex / morphogenesis of a polarized epithelium / neural retina development / protein localization to adherens junction / postsynaptic actin cytoskeleton / Swr1 complex / structural constituent of postsynaptic actin cytoskeleton / protein antigen binding / GBAF complex / Formation of annular gap junctions / Formation of the dystrophin-glycoprotein complex (DGC) / Tat protein binding / Gap junction degradation / regulation of G0 to G1 transition / Folding of actin by CCT/TriC / Cell-extracellular matrix interactions / dense body / RPAP3/R2TP/prefoldin-like complex / chromatin-protein adaptor activity / Ino80 complex / regulation of nucleotide-excision repair / Prefoldin mediated transfer of substrate to CCT/TriC / RSC-type complex / apical protein localization / regulation of double-strand break repair / blastocyst formation / box C/D snoRNP assembly / adherens junction assembly / RHOF GTPase cycle / Adherens junctions interactions / tight junction / Sensory processing of sound by outer hair cells of the cochlea / protein folding chaperone complex / Interaction between L1 and Ankyrins / SWI/SNF complex / regulation of mitotic metaphase/anaphase transition / Sensory processing of sound by inner hair cells of the cochlea / positive regulation of T cell differentiation / regulation of norepinephrine uptake / apical junction complex / transporter regulator activity / nitric-oxide synthase binding / Formation of Senescence-Associated Heterochromatin Foci (SAHF) / positive regulation of double-strand break repair / spinal cord development / maintenance of blood-brain barrier / regulation of chromosome organization / NuA4 histone acetyltransferase complex / negative regulation of gene expression, epigenetic / establishment or maintenance of cell polarity / cortical cytoskeleton / spermatid development / RUNX1 interacts with co-factors whose precise effect on RUNX1 targets is not known / positive regulation of stem cell population maintenance / Transcriptional Regulation by E2F6 / Regulation of MITF-M-dependent genes involved in pigmentation / Recycling pathway of L1 / regulation of synaptic vesicle endocytosis / regulation of G1/S transition of mitotic cell cycle / regulation of DNA replication / TFIID-class transcription factor complex binding / brush border / regulation of embryonic development / kinesin binding / MLL1 complex / somatic stem cell population maintenance / Telomere Extension By Telomerase / EPH-ephrin mediated repulsion of cells / negative regulation of cell differentiation / RHO GTPases Activate WASPs and WAVEs / enzyme-substrate adaptor activity / positive regulation of myoblast differentiation / RHO GTPases activate IQGAPs / positive regulation of double-strand break repair via homologous recombination / regulation of DNA repair / regulation of protein localization to plasma membrane / RNA polymerase II core promoter sequence-specific DNA binding / DNA helicase activity / Deposition of new CENPA-containing nucleosomes at the centromere / cytoskeleton organization / TBP-class protein binding / EPHB-mediated forward signaling / substantia nigra development / calyx of Held 類似検索 - 分子機能 | ||||||
生物種 | ![]() | ||||||
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: 2.4 Å | ||||||
![]() | Li, C. / Smirnova, E. / Schnitzler, C. / Crucifix, C. / Concordet, J.P. / Brion, A. / Poterszman, A. / Schultz, P. / Papai, G. / Ben-Shem, A. | ||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structure of the human TIP60-C histone exchange and acetyltransferase complex. 著者: Changqing Li / Ekaterina Smirnova / Charlotte Schnitzler / Corinne Crucifix / Jean Paul Concordet / Alice Brion / Arnaud Poterszman / Patrick Schultz / Gabor Papai / Adam Ben-Shem / ![]() 要旨: Chromatin structure is a key regulator of DNA transcription, replication and repair. In humans, the TIP60-EP400 complex (TIP60-C) is a 20-subunit assembly that affects chromatin structure through two ...Chromatin structure is a key regulator of DNA transcription, replication and repair. In humans, the TIP60-EP400 complex (TIP60-C) is a 20-subunit assembly that affects chromatin structure through two enzymatic activities: ATP-dependent exchange of histone H2A-H2B for H2A.Z-H2B, and histone acetylation. In yeast, however, these activities are performed by two independent complexes-SWR1 and NuA4, respectively. How the activities of the two complexes are merged into one supercomplex in humans, and what this association entails for the structure and mechanism of the proteins and their recruitment to chromatin, are unknown. Here we describe the structure of the endogenous human TIP60-C. We find a three-lobed architecture composed of SWR1-like (SWR1L) and NuA4-like (NuA4L) parts, which associate with a TRRAP activator-binding module. The huge EP400 subunit contains the ATPase motor, traverses the junction between SWR1L and NuA4L twice and constitutes the scaffold of the three-lobed architecture. NuA4L is completely rearranged compared with its yeast counterpart. TRRAP is flexibly tethered to NuA4L-in stark contrast to its robust connection to the completely opposite side of NuA4 in yeast. A modelled nucleosome bound to SWR1L, supported by tests of TIP60-C activity, suggests that some aspects of the histone exchange mechanism diverge from what is seen in yeast. Furthermore, a fixed actin module (as opposed to the mobile actin subcomplex in SWR1; ref. ), the flexibility of TRRAP and the weak effect of extranucleosomal DNA on exchange activity lead to a different, activator-based mode of enlisting TIP60-C to chromatin. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
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-関連構造データ
関連構造データ | ![]() 18611MC ![]() 8qriC C: 同じ文献を引用 ( M: このデータのモデリングに利用したマップデータ |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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リンク
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集合体
登録構造単位 | ![]()
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要素
-タンパク質 , 8種, 13分子 ACFSBGKLIEHDJ
#1: タンパク質 | 分子量: 343867.312 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() 参照: UniProt: Q96L91, 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 | ||||||
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#2: タンパク質 | 分子量: 93589.172 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() | ||||||
#3: タンパク質 | 分子量: 53090.699 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() | ||||||
#4: タンパク質 | 分子量: 40658.363 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() | ||||||
#5: タンパク質 | 分子量: 41782.660 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() #6: タンパク質 | | 分子量: 47509.812 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() #7: タンパク質 | 分子量: 50296.914 Da / 分子数: 3 / 由来タイプ: 天然 / 由来: (天然) ![]() #8: タンパク質 | 分子量: 51222.465 Da / 分子数: 3 / 由来タイプ: 天然 / 由来: (天然) ![]() |
-詳細
Has protein modification | N |
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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: Tip60 complex / タイプ: CELL / Entity ID: all / 由来: NATURAL | ||||||||||||||||||||||||||||||||
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由来(天然) | 生物種: ![]() | ||||||||||||||||||||||||||||||||
緩衝液 | pH: 8 | ||||||||||||||||||||||||||||||||
緩衝液成分 |
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試料 | 濃度: 0.2 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | ||||||||||||||||||||||||||||||||
急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 95 % / 凍結前の試料温度: 279 K |
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電子顕微鏡撮影
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company | ||||||||||||
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顕微鏡 | モデル: FEI TITAN KRIOS | ||||||||||||
電子銃 | 電子線源: ![]() | ||||||||||||
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2800 nm / 最小 デフォーカス(公称値): 1200 nm / Cs: 2.7 mm / アライメント法: COMA FREE | ||||||||||||
試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER | ||||||||||||
撮影 |
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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: 284286 | ||||||||||||||||||||||||||||||
3次元再構成 | 解像度: 2.4 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 180397 / 対称性のタイプ: POINT | ||||||||||||||||||||||||||||||
原子モデル構築 | プロトコル: RIGID BODY FIT / 空間: REAL |