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基本情報
登録情報 | ![]() | |||||||||
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タイトル | Cryo-EM Structure of the KBTBD2-CUL3-Rbx1 dimeric complex | |||||||||
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![]() | ligase / complex | |||||||||
機能・相同性 | ![]() 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 / polar microtubule / COPII vesicle coating / anaphase-promoting complex-dependent catabolic process / regulation protein catabolic process at postsynapse / cullin-RING-type E3 NEDD8 transferase ...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 / polar microtubule / COPII vesicle coating / anaphase-promoting complex-dependent catabolic process / regulation protein catabolic process at postsynapse / cullin-RING-type E3 NEDD8 transferase / RHOBTB3 ATPase cycle / NEDD8 transferase activity / cell projection organization / cullin-RING ubiquitin ligase complex / positive regulation of mitotic metaphase/anaphase transition / embryonic cleavage / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / stem cell division / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / positive regulation of protein autoubiquitination / protein neddylation / Notch binding / NEDD8 ligase activity / fibroblast apoptotic process / negative regulation of response to oxidative stress / RHOBTB1 GTPase cycle / Cul5-RING ubiquitin ligase complex / SCF ubiquitin ligase complex / Cul2-RING ubiquitin ligase complex / Cul4A-RING E3 ubiquitin ligase complex / ubiquitin-ubiquitin ligase activity / negative regulation of type I interferon production / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / Cul3-RING ubiquitin ligase complex / mitotic metaphase chromosome alignment / Cul4B-RING E3 ubiquitin ligase complex / ubiquitin ligase complex scaffold activity / negative regulation of mitophagy / negative regulation of Rho protein signal transduction / stress fiber assembly / Prolactin receptor signaling / positive regulation of cytokinesis / cullin family protein binding / sperm flagellum / protein monoubiquitination / endoplasmic reticulum to Golgi vesicle-mediated transport / ubiquitin-like ligase-substrate adaptor activity / protein K48-linked ubiquitination / RHOBTB2 GTPase cycle / protein autoubiquitination / Nuclear events stimulated by ALK signaling in cancer / gastrulation / regulation of cellular response to insulin stimulus / positive regulation of TORC1 signaling / negative regulation of insulin receptor signaling pathway / post-translational protein modification / intrinsic apoptotic signaling pathway / cyclin binding / T cell activation / Regulation of BACH1 activity / positive regulation of protein ubiquitination / kidney development / integrin-mediated signaling pathway / phosphatidylinositol 3-kinase/protein kinase B signal transduction / response to insulin / cellular response to amino acid stimulus / Degradation of DVL / Degradation of GLI1 by the proteasome / Recognition of DNA damage by PCNA-containing replication complex / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / negative regulation of canonical Wnt signaling pathway / Negative regulation of NOTCH4 signaling / 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 / protein destabilization / DNA Damage Recognition in GG-NER / RING-type E3 ubiquitin transferase / Degradation of beta-catenin by the destruction complex / Evasion by RSV of host interferon responses / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / Dual Incision in GG-NER / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / NOTCH1 Intracellular Domain Regulates Transcription / lipid metabolic process / Formation of TC-NER Pre-Incision Complex / Wnt signaling pathway / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / G1/S transition of mitotic cell cycle / Regulation of expression of SLITs and ROBOs / Formation of Incision Complex in GG-NER / Interleukin-1 signaling / glucose metabolic process / Orc1 removal from chromatin / Dual incision in TC-NER 類似検索 - 分子機能 | |||||||||
生物種 | ![]() | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.96 Å | |||||||||
![]() | Sun L / Chen Z / Hu Y / Mao Q | |||||||||
資金援助 | ![]()
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![]() | ![]() 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
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ダウンロードとリンク
-EMDBアーカイブ
マップデータ | ![]() | 192.4 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 18.3 KB 18.3 KB | 表示 表示 | ![]() |
画像 | ![]() | 77 KB | ||
Filedesc metadata | ![]() | 6.5 KB | ||
その他 | ![]() ![]() | 171.1 MB 171.1 MB | ||
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 | ![]() 8gq6MC ![]() 8h33C ![]() 8h34C ![]() 8h35C ![]() 8h36C ![]() 8h37C ![]() 8h38C ![]() 8h3aC ![]() 8h3fC ![]() 8h3qC ![]() 8h3rC M: このマップから作成された原子モデル 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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リンク
EMDBのページ | ![]() ![]() |
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「今月の分子」の関連する項目 |
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マップ
ファイル | ![]() | ||||||||||||||||||||||||||||||||||||
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投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.332 Å | ||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
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-添付データ
-ハーフマップ: #2
ファイル | emd_34199_half_map_1.map | ||||||||||||
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投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: #1
ファイル | emd_34199_half_map_2.map | ||||||||||||
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投影像・断面図 |
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密度ヒストグラム |
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試料の構成要素
-全体 : KBTBD2-CUL3-Rbx1 dimeric complex
全体 | 名称: KBTBD2-CUL3-Rbx1 dimeric complex |
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要素 |
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-超分子 #1: KBTBD2-CUL3-Rbx1 dimeric complex
超分子 | 名称: KBTBD2-CUL3-Rbx1 dimeric complex / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#3 |
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由来(天然) | 生物種: ![]() |
-分子 #1: Kelch repeat and BTB domain-containing protein 2
分子 | 名称: Kelch repeat and BTB domain-containing protein 2 / タイプ: protein_or_peptide / ID: 1 / コピー数: 2 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 71.403367 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MSTQDERQIN TEYAVSLLEQ LKLFYEQQLF TDIVLIVEGT EFPCHKMVLA TCSSYFRAMF MSGLSESKQT HVHLRNVDAA TLQIIITYA YTGNLAMNDS TVEQLYETAC FLQVEDVLQR CREYLIKKIN AENCVRLLSF ADLFSCEELK QSAKRMVEHK F TAVYHQDA ...文字列: MSTQDERQIN TEYAVSLLEQ LKLFYEQQLF TDIVLIVEGT EFPCHKMVLA TCSSYFRAMF MSGLSESKQT HVHLRNVDAA TLQIIITYA YTGNLAMNDS TVEQLYETAC FLQVEDVLQR CREYLIKKIN AENCVRLLSF ADLFSCEELK QSAKRMVEHK F TAVYHQDA FMQLSHDLLI DILSSDNLNV EKEETVREAA MLWLEYNTES RSQYLSSVLS QIRIDALSEV TQRAWFQGLP PN DKSVVVQ GLYKSMPKFF KPRLGMTKEE MMIFIEASSE NPCSLYSSVC YSPQAEKVYK LCSPPADLHK VGTVVTPDND IYI AGGQVP LKNTKTNHSK TSKLQTAFRT VNCFYWFDAQ QNTWFPKTPM LFVRIKPSLV CCEGYIYAIG GDSVGGELNR RTVE RYDTE KDEWTMVSPL PCAWQWSAAV VVHDCIYVMT LNLMYCYFPR SDSWVEMAMR QTSRSFASAA AFGDKIFYIG GLHIA TNSG IRLPSGTVDG SSVTVEIYDV NKNEWKMAAN IPAKRYSDPC VRAVVISNSL CVFMRETHLN ERAKYVTYQY DLELDR WSL RQHISERVLW DLGRDFRCTV GKLYPSCLEE SPWKPPTYLF STDGTEEFEL DGEMVALPPV UniProtKB: Kelch repeat and BTB domain-containing protein 2 |
-分子 #2: E3 ubiquitin-protein ligase RBX1
分子 | 名称: E3 ubiquitin-protein ligase RBX1 / タイプ: protein_or_peptide / ID: 2 / コピー数: 2 / 光学異性体: LEVO / EC番号: RING-type E3 ubiquitin transferase |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 13.970756 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: HHHHHHENLY FQGMAAAMDV DTPSGTNSGA GKKRFEVKKW NAVALWAWDI VVDNCAICRN HIMDLCIECQ ANQASATSEE CTVAWGVCN HAFHFHCISR WLKTRQVCPL DNREWEFQKY GH UniProtKB: E3 ubiquitin-protein ligase RBX1 |
-分子 #3: Cullin-3
分子 | 名称: Cullin-3 / タイプ: protein_or_peptide / ID: 3 / コピー数: 2 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 90.105469 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: WSHPQFEKMS NLSKGTGSRK DTKMRIRAFP MTMDEKYVNS IWDLLKNAIQ EIQRKNNSGL SFEELYRNAY TMVLHKHGEK LYTGLREVV TEHLINKVRE DVLNSLNNNF LQTLNQAWND HQTAMVMIRD ILMYMDRVYV QQNNVENVYN LGLIIFRDQV V RYGCIRDH ...文字列: WSHPQFEKMS NLSKGTGSRK DTKMRIRAFP MTMDEKYVNS IWDLLKNAIQ EIQRKNNSGL SFEELYRNAY TMVLHKHGEK LYTGLREVV TEHLINKVRE DVLNSLNNNF LQTLNQAWND HQTAMVMIRD ILMYMDRVYV QQNNVENVYN LGLIIFRDQV V RYGCIRDH LRQTLLDMIA RERKGEVVDR GAIRNACQML MILGLEGRSV YEEDFEAPFL EMSAEFFQME SQKFLAENSA SV YIKKVEA RINEEIERVM HCLDKSTEEP IVKVVERELI SKHMKTIVEM ENSGLVHMLK NGKTEDLGCM YKLFSRVPNG LKT MCECMS SYLREQGKAL VSEEGEGKNP VDYIQGLLDL KSRFDRFLLE SFNNDRLFKQ TIAGDFEYFL NLNSRSPEYL SLFI DDKLK KGVKGLTEQE VETILDKAMV LFRFMQEKDV FERYYKQHLA RRLLTNKSVS DDSEKNMISK LKTECGCQFT SKLEG MFRD MSISNTTMDE FRQHLQATGV SLGGVDLTVR VLTTGYWPTQ SATPKCNIPP APRHAFEIFR RFYLAKHSGR QLTLQH HMG SADLNATFYG PVKKEDGSEV GVGGAQVTGS NTRKHILQVS TFQMTILMLF NNREKYTFEE IQQETDIPER ELVRALQ SL ACGKPTQRVL TKEPKSKEIE NGHIFTVNDQ FTSKLHRVKI QTVAAKQGES DPERKETRQK VDDDRKHEIE AAIVRIMK S RKKMQHNVLV AEVTQQLKAR FLPSPVVIKK RIEGLIEREY LARTPEDRKV YTYVA UniProtKB: Cullin-3 |
-分子 #4: ZINC ION
分子 | 名称: ZINC ION / タイプ: ligand / ID: 4 / コピー数: 6 / 式: ZN |
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分子量 | 理論値: 65.409 Da |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 単粒子再構成法 |
試料の集合状態 | particle |
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試料調製
緩衝液 | pH: 7.8 |
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凍結 | 凍結剤: ETHANE |
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電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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撮影 | フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 検出モード: SUPER-RESOLUTION / 平均電子線量: 45.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2.2 µm / 最小 デフォーカス(公称値): 1.2 µm |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
初期モデル | モデルのタイプ: PDB ENTRY PDBモデル - PDB ID: 詳細: 4A0K |
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最終 再構成 | 想定した対称性 - 点群: C1 (非対称) / 解像度のタイプ: BY AUTHOR / 解像度: 3.96 Å / 解像度の算出法: FSC 0.143 CUT-OFF / ソフトウェア - 名称: RELION (ver. 3.0) / 使用した粒子像数: 433329 |
初期 角度割当 | タイプ: PROJECTION MATCHING |
最終 角度割当 | タイプ: PROJECTION MATCHING / ソフトウェア - 名称: RELION (ver. 3.0) |