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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: 9r85 | ||||||||||||||||||||||||||||||
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| タイトル | Cryo-EM structure of the E3 ligase HECTD3 conjugated to ubiquitin | ||||||||||||||||||||||||||||||
要素 |
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キーワード | LIGASE / E3-ligase / ubiquitin / ubiquitination / HECT-ligase | ||||||||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報HECT-type E3 ubiquitin transferase / syntaxin binding / Maturation of protein E / Maturation of protein E / ER Quality Control Compartment (ERQC) / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / IRAK2 mediated activation of TAK1 complex / Prevention of phagosomal-lysosomal fusion / Alpha-protein kinase 1 signaling pathway ...HECT-type E3 ubiquitin transferase / syntaxin binding / Maturation of protein E / Maturation of protein E / ER Quality Control Compartment (ERQC) / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / IRAK2 mediated activation of TAK1 complex / Prevention of phagosomal-lysosomal fusion / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Endosomal Sorting Complex Required For Transport (ESCRT) / Membrane binding and targetting of GAG proteins / Negative regulation of FLT3 / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Regulation of TBK1, IKKε-mediated activation of IRF3, IRF7 upon TLR3 ligation / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / Constitutive Signaling by NOTCH1 HD Domain Mutants / NOTCH2 Activation and Transmission of Signal to the Nucleus / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / APC/C:Cdc20 mediated degradation of Cyclin B / Regulation of FZD by ubiquitination / Downregulation of ERBB4 signaling / APC-Cdc20 mediated degradation of Nek2A / p75NTR recruits signalling complexes / InlA-mediated entry of Listeria monocytogenes into host cells / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / NF-kB is activated and signals survival / TRAF6-mediated induction of TAK1 complex within TLR4 complex / Regulation of pyruvate metabolism / Pexophagy / Regulation of innate immune responses to cytosolic DNA / NRIF signals cell death from the nucleus / Downregulation of ERBB2:ERBB3 signaling / Regulation of PTEN localization / VLDLR internalisation and degradation / Activated NOTCH1 Transmits Signal to the Nucleus / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / Translesion synthesis by REV1 / Regulation of BACH1 activity / TICAM1, RIP1-mediated IKK complex recruitment / Translesion synthesis by POLK / InlB-mediated entry of Listeria monocytogenes into host cell / JNK (c-Jun kinases) phosphorylation and activation mediated by activated human TAK1 / MAP3K8 (TPL2)-dependent MAPK1/3 activation / Activation of IRF3, IRF7 mediated by TBK1, IKKε (IKBKE) / Downregulation of TGF-beta receptor signaling / Josephin domain DUBs / Translesion synthesis by POLI / IKK complex recruitment mediated by RIP1 / Gap-filling DNA repair synthesis and ligation in GG-NER / PINK1-PRKN Mediated Mitophagy / Regulation of activated PAK-2p34 by proteasome mediated degradation / TGF-beta receptor signaling in EMT (epithelial to mesenchymal transition) / TNFR1-induced NF-kappa-B signaling pathway / TCF dependent signaling in response to WNT / Autodegradation of Cdh1 by Cdh1:APC/C / Regulation of NF-kappa B signaling / APC/C:Cdc20 mediated degradation of Securin / activated TAK1 mediates p38 MAPK activation / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Asymmetric localization of PCP proteins / Ubiquitin-dependent degradation of Cyclin D / Regulation of signaling by CBL / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / NOTCH3 Activation and Transmission of Signal to the Nucleus / Negative regulators of DDX58/IFIH1 signaling / TNFR2 non-canonical NF-kB pathway / AUF1 (hnRNP D0) binds and destabilizes mRNA / Fanconi Anemia Pathway / Peroxisomal protein import / Negative regulation of FGFR3 signaling / Deactivation of the beta-catenin transactivating complex / Assembly of the pre-replicative complex / Vpu mediated degradation of CD4 / Stabilization of p53 / Negative regulation of FGFR2 signaling / Negative regulation of FGFR4 signaling / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Downregulation of SMAD2/3:SMAD4 transcriptional activity / Degradation of DVL / Dectin-1 mediated noncanonical NF-kB signaling / Negative regulation of FGFR1 signaling / Degradation of CRY and PER proteins / EGFR downregulation / Regulation of TNFR1 signaling / Termination of translesion DNA synthesis / Degradation of AXIN / Assembly Of The HIV Virion / SMAD2/SMAD3:SMAD4 heterotrimer regulates transcription / Hh mutants are degraded by ERAD / Activation of NF-kappaB in B cells / G2/M Checkpoints / Hedgehog ligand biogenesis / Degradation of GLI1 by the proteasome 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: 3.04 Å | ||||||||||||||||||||||||||||||
データ登録者 | Esposito, D. / Huber, J. / Maslen, S. / Rittinger, K. | ||||||||||||||||||||||||||||||
| 資金援助 | 英国, 4件
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引用 | ジャーナル: Nat Commun / 年: 2026タイトル: Structure and mechanism of the HECT ligase HECTD3. 著者: Jessica Huber / Diego Esposito / Sarah Maslen / Dominic O Chambers / J Mark Skehel / Katrin Rittinger / ![]() 要旨: HECT E3 ligases regulate many cellular processes, yet how they recognise their substrates and synthesise specific types of poly-ubiquitin chains is still incompletely understood. HECTD3, a member of ...HECT E3 ligases regulate many cellular processes, yet how they recognise their substrates and synthesise specific types of poly-ubiquitin chains is still incompletely understood. HECTD3, a member of the "other HECT" family, is implicated in the regulation of inflammation, apoptosis, and infection and highly expressed in several cancers. These functions are largely attributed to its ligase activity and modification of diverse substrates with different types of ubiquitin chains. We present a detailed analysis of the ligase activity of HECTD3, including its ubiquitin linkage preferences, oligomeric state and substrate ubiquitination. Using cryo-EM, we provide the full-length structures of HECTD3 in both apo and ubiquitin-loaded forms, revealing key insights into its domain organisation, including discovery of a distinct fold of the N-terminal region, and mechanistic features. Some of these are shared with other HECT ligases, while others are unique to HECTD3 and contribute to differences in its catalytic mechanisms and functional diversity. #1: ジャーナル: Acta Crystallogr D Struct Biol / 年: 2019 タイトル: Macromolecular structure determination using X-rays, neutrons and electrons: recent developments in Phenix. 著者: Dorothee Liebschner / Pavel V Afonine / Matthew L Baker / Gábor Bunkóczi / Vincent B Chen / Tristan I Croll / Bradley Hintze / Li Wei Hung / Swati Jain / Airlie J McCoy / Nigel W Moriarty / ...著者: Dorothee Liebschner / Pavel V Afonine / Matthew L Baker / Gábor Bunkóczi / Vincent B Chen / Tristan I Croll / Bradley Hintze / Li Wei Hung / Swati Jain / Airlie J McCoy / Nigel W Moriarty / Robert D Oeffner / Billy K Poon / Michael G Prisant / Randy J Read / Jane S Richardson / David C Richardson / Massimo D Sammito / Oleg V Sobolev / Duncan H Stockwell / Thomas C Terwilliger / Alexandre G Urzhumtsev / Lizbeth L Videau / Christopher J Williams / Paul D Adams / ![]() 要旨: Diffraction (X-ray, neutron and electron) and electron cryo-microscopy are powerful methods to determine three-dimensional macromolecular structures, which are required to understand biological ...Diffraction (X-ray, neutron and electron) and electron cryo-microscopy are powerful methods to determine three-dimensional macromolecular structures, which are required to understand biological processes and to develop new therapeutics against diseases. The overall structure-solution workflow is similar for these techniques, but nuances exist because the properties of the reduced experimental data are different. Software tools for structure determination should therefore be tailored for each method. Phenix is a comprehensive software package for macromolecular structure determination that handles data from any of these techniques. Tasks performed with Phenix include data-quality assessment, map improvement, model building, the validation/rebuilding/refinement cycle and deposition. Each tool caters to the type of experimental data. The design of Phenix emphasizes the automation of procedures, where possible, to minimize repetitive and time-consuming manual tasks, while default parameters are chosen to encourage best practice. A graphical user interface provides access to many command-line features of Phenix and streamlines the transition between programs, project tracking and re-running of previous tasks. | ||||||||||||||||||||||||||||||
| 履歴 |
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 9r85.cif.gz | 424.5 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb9r85.ent.gz | 280 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 9r85.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
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/r8/9r85 ftp://data.pdbj.org/pub/pdb/validation_reports/r8/9r85 | HTTPS FTP |
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-関連構造データ
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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
| #1: タンパク質 | 分子量: 8519.778 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: UBC / 発現宿主: ![]() |
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| #2: タンパク質 | 分子量: 97441.055 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: HECTD3発現宿主: ![]() 参照: UniProt: Q5T447, HECT-type E3 ubiquitin transferase |
| #3: 化合物 | ChemComp-AYE / |
| 研究の焦点であるリガンドがあるか | Y |
| Has protein modification | Y |
-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: HECTD3 ligase conjugated to ubiquitin via activity-based probe ubiquitin propargylamine. タイプ: COMPLEX / Entity ID: #1-#2 / 由来: RECOMBINANT | |||||||||||||||||||||||||
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| 分子量 | 実験値: NO | |||||||||||||||||||||||||
| 由来(天然) | 生物種: Homo sapiens (ヒト) | |||||||||||||||||||||||||
| 由来(組換発現) | 生物種: ![]() | |||||||||||||||||||||||||
| 緩衝液 | pH: 7 | |||||||||||||||||||||||||
| 緩衝液成分 |
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| 試料 | 濃度: 1.5 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | |||||||||||||||||||||||||
| 試料支持 | グリッドの材料: GOLD / グリッドのサイズ: 400 divisions/in. / グリッドのタイプ: C-flat | |||||||||||||||||||||||||
| 急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 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: Titan Krios / 画像提供: FEI Company |
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| 顕微鏡 | モデル: TFS 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): 130000 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): 600 nm / Cs: 2.7 mm / C2レンズ絞り径: 50 µm |
| 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 | 電子線照射量: 41.3 e/Å2 フィルム・検出器のモデル: TFS FALCON 4i (4k x 4k) 実像数: 37160 |
| 電子光学装置 | エネルギーフィルター名称: TFS Selectris / エネルギーフィルタースリット幅: 10 eV |
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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: 3638210 | |||||||||||||||||||||||||||
| 対称性 | 点対称性: C1 (非対称) | |||||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.04 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 342589 / 対称性のタイプ: POINT | |||||||||||||||||||||||||||
| 原子モデル構築 | プロトコル: BACKBONE TRACE / 空間: REAL | |||||||||||||||||||||||||||
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| 精密化 | 交差検証法: NONE 立体化学のターゲット値: GeoStd + Monomer Library + CDL v1.2 | |||||||||||||||||||||||||||
| 原子変位パラメータ | Biso mean: 74.35 Å2 | |||||||||||||||||||||||||||
| 拘束条件 |
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万見について




Homo sapiens (ヒト)
英国, 4件
引用







PDBj





















FIELD EMISSION GUN
