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基本情報
登録情報 | データベース: PDB / ID: 9kbd | ||||||||||||||||||||||||
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タイトル | Cryo-EM structure of the CUL1-RBX1-SKP1-FBXO3 SCF ubiquition ligase complex | ||||||||||||||||||||||||
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![]() | LIGASE / ubiquitination E3 ligase / Cryo-EM / PROTEIN BINDING | ||||||||||||||||||||||||
機能・相同性 | ![]() Parkin-FBXW7-Cul1 ubiquitin ligase complex / F-box domain binding / PcG protein complex / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / positive regulation of ubiquitin protein ligase activity / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway ...Parkin-FBXW7-Cul1 ubiquitin ligase complex / F-box domain binding / PcG protein complex / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / positive regulation of ubiquitin protein ligase activity / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / maintenance of protein location in nucleus / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / positive regulation of protein autoubiquitination / RNA polymerase II transcription initiation surveillance / protein neddylation / NEDD8 ligase activity / VCB complex / negative regulation of response to oxidative stress / Cul5-RING ubiquitin ligase complex / SCF ubiquitin ligase complex / Cul2-RING ubiquitin ligase complex / ubiquitin-ubiquitin ligase activity / negative regulation of type I interferon production / Cul4A-RING E3 ubiquitin ligase complex / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / Cul4-RING E3 ubiquitin ligase complex / Cul3-RING ubiquitin ligase complex / Cul4B-RING E3 ubiquitin ligase complex / ubiquitin ligase complex scaffold activity / negative regulation of mitophagy / Prolactin receptor signaling / cullin family protein binding / protein monoubiquitination / ubiquitin-like ligase-substrate adaptor activity / protein K48-linked ubiquitination / Nuclear events stimulated by ALK signaling in cancer / Regulation of BACH1 activity / MAP3K8 (TPL2)-dependent MAPK1/3 activation / transcription-coupled nucleotide-excision repair / regulation of cellular response to insulin stimulus / positive regulation of TORC1 signaling / post-translational protein modification / intrinsic apoptotic signaling pathway / negative regulation of insulin receptor signaling pathway / NIK-->noncanonical NF-kB signaling / SCF-beta-TrCP mediated degradation of Emi1 / Vpu mediated degradation of CD4 / T cell activation / Degradation of DVL / molecular function activator activity / Dectin-1 mediated noncanonical NF-kB signaling / animal organ morphogenesis / Iron uptake and transport / Activation of NF-kappaB in B cells / Recognition of DNA damage by PCNA-containing replication complex / Degradation of GLI1 by the proteasome / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / 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 / DNA Damage Recognition in GG-NER / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / cellular response to amino acid stimulus / Degradation of beta-catenin by the destruction complex / Evasion by RSV of host interferon responses / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / NOTCH1 Intracellular Domain Regulates Transcription / Dual Incision in GG-NER / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / G1/S transition of mitotic cell cycle / CLEC7A (Dectin-1) signaling / SCF(Skp2)-mediated degradation of p27/p21 / negative regulation of canonical Wnt signaling pathway / Formation of Incision Complex in GG-NER / Regulation of expression of SLITs and ROBOs / FCERI mediated NF-kB activation / beta-catenin binding / RING-type E3 ubiquitin transferase / Interleukin-1 signaling / Orc1 removal from chromatin / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / Regulation of RAS by GAPs / Cyclin D associated events in G1 / Regulation of RUNX2 expression and activity / KEAP1-NFE2L2 pathway / : / protein polyubiquitination / Regulation of PLK1 Activity at G2/M Transition / ubiquitin-protein transferase activity / positive regulation of protein catabolic process / Downstream TCR signaling / Antigen processing: Ubiquitination & Proteasome degradation / cellular response to UV / ubiquitin protein ligase activity 類似検索 - 分子機能 | ||||||||||||||||||||||||
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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: 3.7 Å | ||||||||||||||||||||||||
![]() | Wei, J. / Xu, C. | ||||||||||||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structural Insight Into the SKP1-CUL1-FBXO3-RBX1 Complex. 著者: Jiajia Wei / Chao Xu / ![]() 要旨: The cryo-EM structure of human SCF, which consists of CUL1, RBX1, SKP1 and FBXO3 was solved at a nominal resolution of 3.70 Å. Although a previous study reported the crystal structure of the FBXO3 ...The cryo-EM structure of human SCF, which consists of CUL1, RBX1, SKP1 and FBXO3 was solved at a nominal resolution of 3.70 Å. Although a previous study reported the crystal structure of the FBXO3 ApaG domain, how FBXO3 is incorporated into the SCF complex remains elusive. In the cryo-EM structure of SCF, the F-box domain of FBXO3 primarily associates with SKP1 via extensive hydrophobic interactions and interacts with the N-terminal region of CUL1 via hydrophobic interactions. The weak cryo-EM map of the RBX1 globular region is close to the FBXO3 ApaG domain, suggesting that unmodified SCF exhibits a closed conformation and that CUL1 neddylation is likely required to achieve high E3 activity. The structural study provides insight into the assembly of SCF and its activation mediated by CUL1 neddylation. | ||||||||||||||||||||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 249.6 KB | 表示 | ![]() |
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PDB形式 | ![]() | 196.1 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 372.5 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 384.1 KB | 表示 | |
XML形式データ | ![]() | 25.8 KB | 表示 | |
CIF形式データ | ![]() | 40.2 KB | 表示 | |
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 | ![]() 62222MC ![]() 9kbfC 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 ( |
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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
#1: タンパク質 | 分子量: 18679.965 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
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#2: タンパク質 | 分子量: 50305.582 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
#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) ![]() ![]() ![]() 参照: UniProt: P62877, RING-type E3 ubiquitin transferase, cullin-RING-type E3 NEDD8 transferase |
#4: タンパク質 | 分子量: 89800.367 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
Has protein modification | N |
-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: Cryo-EM of the CUL1-RBX1-SKP1-FBXO3 SCF ubiquition ligase complex タイプ: COMPLEX 詳細: Cryo-EM of the CUL1-RBX1-SKP1-FBXO3 SCF ubiquition ligase complex Entity ID: all / 由来: RECOMBINANT |
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分子量 | 実験値: NO |
由来(天然) | 生物種: ![]() |
由来(組換発現) | 生物種: ![]() ![]() |
緩衝液 | pH: 7.5 |
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 / 湿度: 100 % / 凍結前の試料温度: 277.15 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: ![]() |
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2900 nm / 最小 デフォーカス(公称値): 1500 nm |
撮影 | 電子線照射量: 55.62 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
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解析
EMソフトウェア | 名称: PHENIX / カテゴリ: モデル精密化 | ||||||||||||||||||||||||
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3.7 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 185300 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
原子モデル構築 | プロトコル: AB INITIO MODEL / 空間: REAL | ||||||||||||||||||||||||
拘束条件 |
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