+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 8h3q | ||||||
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タイトル | Cryo-EM Structure of the CAND1-Cul3-Rbx1 complex | ||||||
要素 |
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キーワード | LIGASE / complex | ||||||
機能・相同性 | 機能・相同性情報 SCF complex assembly / positive regulation of mitotic cell cycle phase transition / trophectodermal cellular morphogenesis / liver morphogenesis / POZ domain binding / nuclear protein quality control by the ubiquitin-proteasome system / regulation protein catabolic process at postsynapse / polar microtubule / negative regulation of catalytic activity / anaphase-promoting complex-dependent catabolic process ...SCF complex assembly / positive regulation of mitotic cell cycle phase transition / trophectodermal cellular morphogenesis / liver morphogenesis / POZ domain binding / nuclear protein quality control by the ubiquitin-proteasome system / regulation protein catabolic process at postsynapse / polar microtubule / negative regulation of catalytic activity / anaphase-promoting complex-dependent catabolic process / COPII vesicle coating / stem cell division / cullin-RING-type E3 NEDD8 transferase / RHOBTB3 ATPase cycle / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / embryonic cleavage / cell projection organization / positive regulation of mitotic metaphase/anaphase transition / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / positive regulation of protein autoubiquitination / protein neddylation / fibroblast apoptotic process / Notch binding / NEDD8 ligase activity / RHOBTB1 GTPase cycle / Cul5-RING ubiquitin ligase complex / negative regulation of response to oxidative stress / ubiquitin-ubiquitin ligase activity / negative regulation of Rho protein signal transduction / SCF ubiquitin ligase complex / Cul2-RING ubiquitin ligase complex / Cul4A-RING E3 ubiquitin ligase complex / mitotic metaphase chromosome alignment / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / Cul4B-RING E3 ubiquitin ligase complex / negative regulation of type I interferon production / ubiquitin ligase complex scaffold activity / Cul3-RING ubiquitin ligase complex / stress fiber assembly / positive regulation of cytokinesis / Prolactin receptor signaling / protein monoubiquitination / cullin family protein binding / positive regulation of RNA polymerase II transcription preinitiation complex assembly / sperm flagellum / endoplasmic reticulum to Golgi vesicle-mediated transport / RHOBTB2 GTPase cycle / protein autoubiquitination / protein K48-linked ubiquitination / Nuclear events stimulated by ALK signaling in cancer / ubiquitin ligase complex / gastrulation / TBP-class protein binding / positive regulation of TORC1 signaling / post-translational protein modification / intrinsic apoptotic signaling pathway / regulation of cellular response to insulin stimulus / cyclin binding / Regulation of BACH1 activity / T cell activation / positive regulation of protein ubiquitination / integrin-mediated signaling pathway / Degradation of DVL / cellular response to amino acid stimulus / Iron uptake and transport / Recognition of DNA damage by PCNA-containing replication complex / Degradation of GLI1 by the proteasome / Negative regulation of NOTCH4 signaling / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / protein destabilization / Vif-mediated degradation of APOBEC3G / Hedgehog 'on' state / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / DNA Damage Recognition in GG-NER / RING-type E3 ubiquitin transferase / negative regulation of canonical Wnt signaling pathway / Degradation of beta-catenin by the destruction complex / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / Dual Incision in GG-NER / Evasion by RSV of host interferon responses / mitotic spindle / NOTCH1 Intracellular Domain Regulates Transcription / Wnt signaling pathway / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / Regulation of expression of SLITs and ROBOs / spindle pole / Formation of Incision Complex in GG-NER / Interleukin-1 signaling / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / Orc1 removal from chromatin 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: 3.76 Å | ||||||
データ登録者 | Hu, Y. / Mao, Q. / Chen, Z. / Sun, L. | ||||||
資金援助 | 中国, 1件
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引用 | ジャーナル: Nat Struct Mol Biol / 年: 2024 タイトル: Dynamic molecular architecture and substrate recruitment of cullin3-RING E3 ligase CRL3. 著者: Yuxia Hu / Zhao Zhang / Qiyu Mao / Xiang Zhang / Aihua Hao / Yu Xun / Yeda Wang / Lin Han / Wuqiang Zhan / Qianying Liu / Yue Yin / Chao Peng / Eva Marie Y Moresco / Zhenguo Chen / Bruce Beutler / Lei Sun / 要旨: Phosphatidylinositol 3-kinase α, a heterodimer of catalytic p110α and one of five regulatory subunits, mediates insulin- and insulin like growth factor-signaling and, frequently, oncogenesis. ...Phosphatidylinositol 3-kinase α, a heterodimer of catalytic p110α and one of five regulatory subunits, mediates insulin- and insulin like growth factor-signaling and, frequently, oncogenesis. Cellular levels of the regulatory p85α subunit are tightly controlled by regulated proteasomal degradation. In adipose tissue and growth plates, failure of K48-linked p85α ubiquitination causes diabetes, lipodystrophy and dwarfism in mice, as in humans with SHORT syndrome. Here we elucidated the structures of the key ubiquitin ligase complexes regulating p85α availability. Specificity is provided by the substrate receptor KBTBD2, which recruits p85α to the cullin3-RING E3 ubiquitin ligase (CRL3). CRL3 forms multimers, which disassemble into dimers upon substrate binding (CRL3-p85α) and/or neddylation by the activator NEDD8 (CRL3~N8), leading to p85α ubiquitination and degradation. Deactivation involves dissociation of NEDD8 mediated by the COP9 signalosome and displacement of KBTBD2 by the inhibitor CAND1. The hereby identified structural basis of p85α regulation opens the way to better understanding disturbances of glucose regulation, growth and cancer. | ||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 8h3q.cif.gz | 359.7 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb8h3q.ent.gz | 286 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 8h3q.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 | 8h3q_validation.pdf.gz | 1 MB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 8h3q_full_validation.pdf.gz | 1.1 MB | 表示 | |
XML形式データ | 8h3q_validation.xml.gz | 62.9 KB | 表示 | |
CIF形式データ | 8h3q_validation.cif.gz | 93.9 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/h3/8h3q ftp://data.pdbj.org/pub/pdb/validation_reports/h3/8h3q | HTTPS FTP |
-関連構造データ
関連構造データ | 34473MC 8gq6C 8h33C 8h34C 8h35C 8h36C 8h37C 8h38C 8h3aC 8h3fC 8h3rC 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 (文献) |
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類似構造データ | 類似検索 - 機能・相同性F&H 検索 |
-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: 136529.297 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: CAND1, KIAA0829, TIP120, TIP120A / 発現宿主: Escherichia coli (大腸菌) / 参照: UniProt: Q86VP6 | ||
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#2: タンパク質 | 分子量: 89063.328 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: CUL3, KIAA0617 発現宿主: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: Q13618 | ||
#3: タンパク質 | 分子量: 12289.977 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: RBX1, RNF75, ROC1 発現宿主: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: P62877, RING-type E3 ubiquitin transferase, cullin-RING-type E3 NEDD8 transferase | ||
#4: 化合物 | 研究の焦点であるリガンドがあるか | 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 |
-試料調製
構成要素 |
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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) |
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緩衝液 | pH: 7.8 | ||||||||||||||||||||||||
試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | ||||||||||||||||||||||||
急速凍結 | 凍結剤: ETHANE |
-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 / 最大 デフォーカス(公称値): 2200 nm / 最小 デフォーカス(公称値): 1200 nm |
撮影 | 電子線照射量: 53 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) |
-解析
ソフトウェア | 名称: PHENIX / バージョン: 1.20_4459: / 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 AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3.76 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 644994 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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