+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 5np0 | |||||||||
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タイトル | Closed dimer of human ATM (Ataxia telangiectasia mutated) | |||||||||
要素 | Serine-protein kinase ATM | |||||||||
キーワード | SIGNALING PROTEIN / PIKK / kinase / DNA-repair / HEAT-repeats | |||||||||
機能・相同性 | 機能・相同性情報 positive regulation of DNA catabolic process / establishment of RNA localization to telomere / positive regulation of telomerase catalytic core complex assembly / positive regulation of DNA damage response, signal transduction by p53 class mediator / cellular response to nitrosative stress / establishment of protein-containing complex localization to telomere / negative regulation of telomere capping / Sensing of DNA Double Strand Breaks / positive regulation of telomere maintenance via telomere lengthening / regulation of microglial cell activation ...positive regulation of DNA catabolic process / establishment of RNA localization to telomere / positive regulation of telomerase catalytic core complex assembly / positive regulation of DNA damage response, signal transduction by p53 class mediator / cellular response to nitrosative stress / establishment of protein-containing complex localization to telomere / negative regulation of telomere capping / Sensing of DNA Double Strand Breaks / positive regulation of telomere maintenance via telomere lengthening / regulation of microglial cell activation / meiotic telomere clustering / pre-B cell allelic exclusion / DNA-dependent protein kinase activity / histone H2AXS139 kinase activity / male meiotic nuclear division / histone mRNA catabolic process / female meiotic nuclear division / pexophagy / cellular response to X-ray / regulation of telomere maintenance via telomerase / peptidyl-serine autophosphorylation / DNA double-strand break processing / lipoprotein catabolic process / V(D)J recombination / regulation of autophagosome assembly / oocyte development / Impaired BRCA2 binding to PALB2 / reciprocal meiotic recombination / DNA repair complex / Defective homologous recombination repair (HRR) due to BRCA1 loss of function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function / Homologous DNA Pairing and Strand Exchange / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / Resolution of D-loop Structures through Holliday Junction Intermediates / HDR through Single Strand Annealing (SSA) / Impaired BRCA2 binding to RAD51 / 1-phosphatidylinositol-3-kinase activity / response to ionizing radiation / mitotic spindle assembly checkpoint signaling / TP53 Regulates Transcription of Caspase Activators and Caspases / negative regulation of B cell proliferation / mitotic G2 DNA damage checkpoint signaling / Presynaptic phase of homologous DNA pairing and strand exchange / TP53 Regulates Transcription of Genes Involved in Cytochrome C Release / peroxisomal matrix / positive regulation of cell adhesion / replicative senescence / Regulation of HSF1-mediated heat shock response / signal transduction in response to DNA damage / somitogenesis / regulation of cellular response to heat / cellular response to retinoic acid / ovarian follicle development / negative regulation of TORC1 signaling / positive regulation of telomere maintenance via telomerase / DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest / Pexophagy / telomere maintenance / post-embryonic development / thymus development / Meiotic recombination / DNA Damage/Telomere Stress Induced Senescence / regulation of signal transduction by p53 class mediator / DNA damage checkpoint signaling / regulation of autophagy / Nonhomologous End-Joining (NHEJ) / determination of adult lifespan / TP53 Regulates Transcription of DNA Repair Genes / Stabilization of p53 / Autodegradation of the E3 ubiquitin ligase COP1 / G2/M DNA damage checkpoint / double-strand break repair via homologous recombination / cellular response to reactive oxygen species / brain development / multicellular organism growth / HDR through Homologous Recombination (HRR) / Regulation of TP53 Activity through Methylation / cellular senescence / cellular response to gamma radiation / spindle / double-strand break repair via nonhomologous end joining / Regulation of TP53 Degradation / intrinsic apoptotic signaling pathway in response to DNA damage / positive regulation of neuron apoptotic process / double-strand break repair / Processing of DNA double-strand break ends / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / heart development / peptidyl-serine phosphorylation / site of double-strand break / cytoplasmic vesicle / Regulation of TP53 Activity through Phosphorylation / neuron apoptotic process / regulation of apoptotic process / protein autophosphorylation / response to hypoxia / regulation of cell cycle / non-specific serine/threonine protein kinase / positive regulation of cell migration 類似検索 - 分子機能 | |||||||||
生物種 | Homo sapiens (ヒト) | |||||||||
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: 5.7 Å | |||||||||
データ登録者 | Baretic, D. / Pollard, H.K. / Fisher, D.I. / Johnson, C.M. / Santhanam, B. / Truman, C.M. / Kouba, T. / Fersht, A.R. / Phillips, C. / Williams, R.L. | |||||||||
資金援助 | 英国, 2件
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引用 | ジャーナル: Sci Adv / 年: 2017 タイトル: Structures of closed and open conformations of dimeric human ATM. 著者: Domagoj Baretić / Hannah K Pollard / David I Fisher / Christopher M Johnson / Balaji Santhanam / Caroline M Truman / Tomas Kouba / Alan R Fersht / Christopher Phillips / Roger L Williams / 要旨: ATM (ataxia-telangiectasia mutated) is a phosphatidylinositol 3-kinase-related protein kinase (PIKK) best known for its role in DNA damage response. ATM also functions in oxidative stress response, ...ATM (ataxia-telangiectasia mutated) is a phosphatidylinositol 3-kinase-related protein kinase (PIKK) best known for its role in DNA damage response. ATM also functions in oxidative stress response, insulin signaling, and neurogenesis. Our electron cryomicroscopy (cryo-EM) suggests that human ATM is in a dynamic equilibrium between closed and open dimers. In the closed state, the PIKK regulatory domain blocks the peptide substrate-binding site, suggesting that this conformation may represent an inactive or basally active enzyme. The active site is held in this closed conformation by interaction with a long helical hairpin in the TRD3 (tetratricopeptide repeats domain 3) domain of the symmetry-related molecule. The open dimer has two protomers with only a limited contact interface, and it lacks the intermolecular interactions that block the peptide-binding site in the closed dimer. This suggests that the open conformation may be more active. The ATM structure shows the detailed topology of the regulator-interacting N-terminal helical solenoid. The ATM conformational dynamics shown by the structures represent an important step in understanding the enzyme regulation. | |||||||||
履歴 |
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-構造の表示
ムービー |
ムービービューア |
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構造ビューア | 分子: MolmilJmol/JSmol |
-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 5np0.cif.gz | 740.7 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb5np0.ent.gz | 493.8 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 5np0.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
その他 | その他のダウンロード |
-検証レポート
文書・要旨 | 5np0_validation.pdf.gz | 855.8 KB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 5np0_full_validation.pdf.gz | 1 MB | 表示 | |
XML形式データ | 5np0_validation.xml.gz | 129.4 KB | 表示 | |
CIF形式データ | 5np0_validation.cif.gz | 209.8 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/np/5np0 ftp://data.pdbj.org/pub/pdb/validation_reports/np/5np0 | HTTPS FTP |
-関連構造データ
-リンク
-集合体
登録構造単位 |
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-要素
#1: タンパク質 | 分子量: 352393.969 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 細胞株: HEK293F / 遺伝子: ATM / プラスミド: pDEST12.2-OriP / 細胞株 (発現宿主): HEK293F / 発現宿主: Homo sapiens (ヒト) 参照: UniProt: Q13315, non-specific serine/threonine protein kinase |
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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 |
-試料調製
構成要素 | 名称: Dimeric human ATM (Ataxia telangiectasia mutated) kinase タイプ: ORGANELLE OR CELLULAR COMPONENT / 詳細: homodimer / Entity ID: all / 由来: RECOMBINANT | ||||||||||||||||||||||||||||||
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分子量 | 値: 0.705 MDa / 実験値: YES | ||||||||||||||||||||||||||||||
由来(天然) | 生物種: Homo sapiens (ヒト) | ||||||||||||||||||||||||||||||
由来(組換発現) | 生物種: Homo sapiens (ヒト) / 細胞: HEK293 / プラスミド: pDEST12.2-OriP | ||||||||||||||||||||||||||||||
緩衝液 | pH: 8 | ||||||||||||||||||||||||||||||
緩衝液成分 |
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試料 | 濃度: 0.6 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES 詳細: N-terminally FLAG-tagged ATM kinase was purified by affinity chromatography (anti-FLAG), overnight dialysis and gel-filtration. The sample was flash-frozen in liquid nitrogen until used for cryo-EM. | ||||||||||||||||||||||||||||||
試料支持 |
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急速凍結 | 装置: HOMEMADE PLUNGER / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 277.15 K / 詳細: 3 uL of sample/grid blotted for 12 s |
-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: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
電子レンズ | モード: BRIGHT FIELD / 倍率(公称値): 97902 X / 倍率(補正後): 35714 X / 最大 デフォーカス(公称値): 4000 nm / 最小 デフォーカス(公称値): 2500 nm / Cs: 2.7 mm / C2レンズ絞り径: 70 µm / 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 最低温度: 80.15 K |
撮影 | 平均露光時間: 0.8 sec. / 電子線照射量: 2.1 e/Å2 / 検出モード: SUPER-RESOLUTION フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 撮影したグリッド数: 4 / 実像数: 2720 |
電子光学装置 | エネルギーフィルター名称: GIF / エネルギーフィルター 上限: 20 eV / エネルギーフィルター 下限: 0 eV |
画像スキャン | 動画フレーム数/画像: 20 / 利用したフレーム数/画像: 1-20 |
-解析
ソフトウェア | 名称: PHENIX / バージョン: 1.10.1_2155: / 分類: 精密化 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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EMソフトウェア |
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CTF補正 | タイプ: PHASE FLIPPING ONLY | ||||||||||||||||||||||||||||||||||||||||||||||||||
粒子像の選択 | 選択した粒子像数: 371671 | ||||||||||||||||||||||||||||||||||||||||||||||||||
対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||||||||||||||||||||||||||||||||
3次元再構成 | 解像度: 5.7 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 25315 / クラス平均像の数: 1 / 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: 4JSP Accession code: 4JSP 詳細: building de novo the structure of ATM N-solenoid and modelling of the ATM FATKIN (using mTOR FATKIN PDB:4JSP) Source name: PDB / タイプ: experimental model | ||||||||||||||||||||||||||||||||||||||||||||||||||
拘束条件 |
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