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万見- EMDB-16327: Cryo-EM structure of SKP1-SKP2-CKS1 from the SCFSKP2 E3 ligase complex -
+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-16327 | |||||||||
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タイトル | Cryo-EM structure of SKP1-SKP2-CKS1 from the SCFSKP2 E3 ligase complex | |||||||||
マップデータ | ||||||||||
試料 |
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キーワード | cell cycle (細胞周期) / cyclin-dependent kinase (サイクリン依存性キナーゼ) / signalling / ubiquitinationCell cycle | |||||||||
機能・相同性 | 機能・相同性情報 cyclin-dependent protein kinase activating kinase regulator activity / regulation of lens fiber cell differentiation / negative regulation of cardiac muscle tissue regeneration / negative regulation of cyclin-dependent protein kinase activity / autophagic cell death / positive regulation of protein polyubiquitination / negative regulation of epithelial cell proliferation involved in prostate gland development / FOXO-mediated transcription of cell cycle genes / F-box domain binding / Aberrant regulation of mitotic exit in cancer due to RB1 defects ...cyclin-dependent protein kinase activating kinase regulator activity / regulation of lens fiber cell differentiation / negative regulation of cardiac muscle tissue regeneration / negative regulation of cyclin-dependent protein kinase activity / autophagic cell death / positive regulation of protein polyubiquitination / negative regulation of epithelial cell proliferation involved in prostate gland development / FOXO-mediated transcription of cell cycle genes / F-box domain binding / Aberrant regulation of mitotic exit in cancer due to RB1 defects / PcG protein complex / regulation of cell cycle G1/S phase transition / regulation of exit from mitosis / epithelial cell proliferation involved in prostate gland development / negative regulation of phosphorylation / mitotic cell cycle phase transition / negative regulation of epithelial cell apoptotic process / negative regulation of cyclin-dependent protein serine/threonine kinase activity / ubiquitin ligase activator activity / Cul7-RING ubiquitin ligase complex / positive regulation of ubiquitin protein ligase activity / maintenance of protein location in nucleus / cyclin-dependent protein serine/threonine kinase inhibitor activity / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / RHO GTPases activate CIT / cyclin-dependent protein serine/threonine kinase activator activity / 核外搬出シグナル / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / AKT phosphorylates targets in the cytosol / Cul4A-RING E3 ubiquitin ligase complex / SCF複合体 / epithelial cell apoptotic process / cellular response to antibiotic / positive regulation of intracellular estrogen receptor signaling pathway / negative regulation of kinase activity / ubiquitin ligase complex scaffold activity / molecular function inhibitor activity / protein kinase inhibitor activity / cellular response to lithium ion / p53-Dependent G1 DNA Damage Response / Prolactin receptor signaling / PTK6 Regulates Cell Cycle / protein monoubiquitination / regulation of cyclin-dependent protein serine/threonine kinase activity / regulation of G1/S transition of mitotic cell cycle / Constitutive Signaling by AKT1 E17K in Cancer / cullin family protein binding / Defective binding of RB1 mutants to E2F1,(E2F2, E2F3) / inner ear development / negative regulation of vascular associated smooth muscle cell proliferation / ubiquitin-like ligase-substrate adaptor activity / negative regulation of mitotic cell cycle / cellular response to organic cyclic compound / Estrogen-dependent nuclear events downstream of ESR-membrane signaling / cyclin-dependent protein kinase holoenzyme complex / protein K48-linked ubiquitination / response to amino acid / localization / Nuclear events stimulated by ALK signaling in cancer / TP53 Regulates Transcription of Genes Involved in G1 Cell Cycle Arrest / response to glucose / response to cadmium ion / Cyclin E associated events during G1/S transition / DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest / Cyclin A:Cdk2-associated events at S phase entry / positive regulation of microtubule polymerization / regulation of cell migration / Notchシグナリング / Hsp70 protein binding / regulation of mitotic cell cycle / FLT3 Signaling / Regulation of BACH1 activity / cyclin binding / MAP3K8 (TPL2)-dependent MAPK1/3 activation / placenta development / positive regulation of DNA replication / ubiquitin binding / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / molecular function activator activity / Vpu mediated degradation of CD4 / Dectin-1 mediated noncanonical NF-kB signaling / sensory perception of sound / Degradation of GLI1 by the proteasome / Activation of NF-kappaB in B cells / Negative regulation of NOTCH4 signaling / Iron uptake and transport / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / G1/S transition of mitotic cell cycle / 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 / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / Degradation of beta-catenin by the destruction complex / potassium ion transport / DNA Damage/Telomere Stress Induced Senescence / negative regulation of cell growth / NOTCH1 Intracellular Domain Regulates Transcription / response to peptide hormone / CLEC7A (Dectin-1) signaling 類似検索 - 分子機能 | |||||||||
生物種 | Homo sapiens (ヒト) | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.5 Å | |||||||||
データ登録者 | Rowland RJ / Salamina M / Endicott JA / Noble MEM | |||||||||
資金援助 | 英国, 1件
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引用 | ジャーナル: Sci Rep / 年: 2023 タイトル: Cryo-EM structure of SKP1-SKP2-CKS1 in complex with CDK2-cyclin A-p27KIP1. 著者: Rhianna J Rowland / Richard Heath / Daniel Maskell / Rebecca F Thompson / Neil A Ranson / James N Blaza / Jane A Endicott / Martin E M Noble / Marco Salamina / 要旨: p27KIP1 (cyclin-dependent kinase inhibitor 1B, p27) is a member of the CIP/KIP family of CDK (cyclin dependent kinase) regulators that inhibit cell cycle CDKs. p27 phosphorylation by CDK1/2, signals ...p27KIP1 (cyclin-dependent kinase inhibitor 1B, p27) is a member of the CIP/KIP family of CDK (cyclin dependent kinase) regulators that inhibit cell cycle CDKs. p27 phosphorylation by CDK1/2, signals its recruitment to the SCF (S-phase kinase associated protein 1 (SKP1)-cullin-SKP2) E3 ubiquitin ligase complex for proteasomal degradation. The nature of p27 binding to SKP2 and CKS1 was revealed by the SKP1-SKP2-CKS1-p27 phosphopeptide crystal structure. Subsequently, a model for the hexameric CDK2-cyclin A-CKS1-p27-SKP1-SKP2 complex was proposed by overlaying an independently determined CDK2-cyclin A-p27 structure. Here we describe the experimentally determined structure of the isolated CDK2-cyclin A-CKS1-p27-SKP1-SKP2 complex at 3.4 Å global resolution using cryogenic electron microscopy. This structure supports previous analysis in which p27 was found to be structurally dynamic, transitioning from disordered to nascent secondary structure on target binding. We employed 3D variability analysis to further explore the conformational space of the hexameric complex and uncovered a previously unidentified hinge motion centred on CKS1. This flexibility gives rise to open and closed conformations of the hexameric complex that we propose may contribute to p27 regulation by facilitating recognition with SCF. This 3D variability analysis further informed particle subtraction and local refinement approaches to enhance the local resolution of the complex. | |||||||||
履歴 |
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-構造の表示
添付画像 |
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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 | emd_16327.map.gz | 97.2 MB | EMDBマップデータ形式 | |
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ヘッダ (付随情報) | emd-16327-v30.xml emd-16327.xml | 20.9 KB 20.9 KB | 表示 表示 | EMDBヘッダ |
FSC (解像度算出) | emd_16327_fsc.xml | 9.9 KB | 表示 | FSCデータファイル |
画像 | emd_16327.png | 116.9 KB | ||
マスクデータ | emd_16327_msk_1.map | 103 MB | マスクマップ | |
その他 | emd_16327_half_map_1.map.gz emd_16327_half_map_2.map.gz | 95.5 MB 95.5 MB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-16327 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-16327 | HTTPS FTP |
-関連構造データ
-リンク
EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
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「今月の分子」の関連する項目 |
-マップ
ファイル | ダウンロード / ファイル: emd_16327.map.gz / 形式: CCP4 / 大きさ: 103 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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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: 1.07 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
-マスク #1
ファイル | emd_16327_msk_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_16327_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: #2
ファイル | emd_16327_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 |
-試料の構成要素
-全体 : Locally refined complex of SKP1-SKP2-CKS1-p27 from the hexametric...
全体 | 名称: Locally refined complex of SKP1-SKP2-CKS1-p27 from the hexametric SCFSKP2 E3 Ligase complex |
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要素 |
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-超分子 #1: Locally refined complex of SKP1-SKP2-CKS1-p27 from the hexametric...
超分子 | 名称: Locally refined complex of SKP1-SKP2-CKS1-p27 from the hexametric SCFSKP2 E3 Ligase complex タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: all |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
分子量 | 理論値: 66 KDa |
-分子 #1: S-phase kinase-associated protein 1
分子 | 名称: S-phase kinase-associated protein 1 / タイプ: protein_or_peptide / ID: 1 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
分子量 | 理論値: 18.679965 KDa |
組換発現 | 生物種: Escherichia coli BL21(DE3) (大腸菌) |
配列 | 文字列: MPSIKLQSSD GEIFEVDVEI AKQSVTIKTM LEDLGMDDEG DDDPVPLPNV NAAILKKVIQ WCTHHKDDPP PPEDDENKEK RTDDIPVWD QEFLKVDQGT LFELILAANY LDIKGLLDVT CKTVANMIKG KTPEEIRKTF NIKNDFTEEE EAQVRKENQW C EEK UniProtKB: S-phase kinase-associated protein 1 |
-分子 #2: S-phase kinase-associated protein 2
分子 | 名称: S-phase kinase-associated protein 2 / タイプ: protein_or_peptide / ID: 2 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
分子量 | 理論値: 47.817785 KDa |
組換発現 | 生物種: Escherichia coli BL21(DE3) (大腸菌) |
配列 | 文字列: MHRKHLQEIP DLSSNVATSF TWGWDSSKTS ELLSGMGVSA LEKEEPDSEN IPQELLSNLG HPESPPRKRL KSKGSDKDFV IVRRPKLNR ENFPGVSWDS LPDELLLGIF SCLCLPELLK VSGVCKRWYR LASDESLWQT LDLTGKNLHP DVTGRLLSQG V IAFRCPRS ...文字列: MHRKHLQEIP DLSSNVATSF TWGWDSSKTS ELLSGMGVSA LEKEEPDSEN IPQELLSNLG HPESPPRKRL KSKGSDKDFV IVRRPKLNR ENFPGVSWDS LPDELLLGIF SCLCLPELLK VSGVCKRWYR LASDESLWQT LDLTGKNLHP DVTGRLLSQG V IAFRCPRS FMDQPLAEHF SPFRVQHMDL SNSVIEVSTL HGILSQCSKL QNLSLEGLRL SDPIVNTLAK NSNLVRLNLS GC SGFSEFA LQTLLSSCSR LDELNLSWCF DFTEKHVQVA VAHVSETITQ LNLSGYRKNL QKSDLSTLVR RCPNLVHLDL SDS VMLKND CFQEFFQLNY LQHLSLSRCY DIIPETLLEL GEIPTLKTLQ VFGIVPDGTL QLLKEALPHL QINCSHFTTI ARPT IGNKK NQEIWGIKCR LTLQKPSCL UniProtKB: S-phase kinase-associated protein 2 |
-分子 #3: Cyclin-dependent kinases regulatory subunit 1
分子 | 名称: Cyclin-dependent kinases regulatory subunit 1 / タイプ: protein_or_peptide / ID: 3 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
分子量 | 理論値: 9.679211 KDa |
組換発現 | 生物種: Escherichia coli BL21(DE3) (大腸菌) |
配列 | 文字列: MSHKQIYYSD KYDDEEFEYR HVMLPKDIAK LVPKTHLMSE SEWRNLGVQQ SQGWVHYMIH EPEPHILLFR RPLPKKPKK UniProtKB: Cyclin-dependent kinases regulatory subunit 1 |
-分子 #4: Cyclin-dependent kinase inhibitor 1B
分子 | 名称: Cyclin-dependent kinase inhibitor 1B / タイプ: protein_or_peptide / ID: 4 / 詳細: DGSPNAGSVEQ(TPO)PKK / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
分子量 | 理論値: 22.188303 KDa |
組換発現 | 生物種: Escherichia coli BL21(DE3) (大腸菌) |
配列 | 文字列: MSNVRVSNGS PSLERMDARQ AEHPKPSACR NLFGPVDHEE LTRDLEKHCR DMEEASQRKW NFDFQNHKPL EGKYEWQEVE KGSLPEFYY RPPRPPKGAC KVPAQESQDV SGSRPAAPLI GAPANSEDTH LVDPKTDPSD SQTGLAEQCA GIRKRPATDD S STQNKRAN ...文字列: MSNVRVSNGS PSLERMDARQ AEHPKPSACR NLFGPVDHEE LTRDLEKHCR DMEEASQRKW NFDFQNHKPL EGKYEWQEVE KGSLPEFYY RPPRPPKGAC KVPAQESQDV SGSRPAAPLI GAPANSEDTH LVDPKTDPSD SQTGLAEQCA GIRKRPATDD S STQNKRAN RTEENVSDGS PNAGSVEQ(TPO)P KKPGLRRRQT UniProtKB: Cyclin-dependent kinase inhibitor 1B |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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解析 | 単粒子再構成法 |
試料の集合状態 | particle |
-試料調製
緩衝液 | pH: 7.8 |
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グリッド | モデル: Quantifoil R1.2/1.3 / 材質: COPPER / メッシュ: 400 / 支持フィルム - 材質: CARBON / 支持フィルム - トポロジー: HOLEY / 前処理 - タイプ: GLOW DISCHARGE / 前処理 - 時間: 60 sec. / 前処理 - 雰囲気: OTHER |
凍結 | 凍結剤: ETHANE / チャンバー内湿度: 95 % / チャンバー内温度: 278.15 K / 装置: FEI VITROBOT MARK IV |
-電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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電子線 | 加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN |
電子光学系 | C2レンズ絞り径: 70.0 µm / 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELDBright-field microscopy / Cs: 2.7 mm / 最大 デフォーカス(公称値): 3.0 µm / 最小 デフォーカス(公称値): 1.0 µm / 倍率(公称値): 130000 |
試料ステージ | ホルダー冷却材: NITROGEN |
撮影 | フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 平均露光時間: 9.0 sec. / 平均電子線量: 65.0 e/Å2 |
実験機器 | モデル: Titan Krios / 画像提供: FEI Company |
-画像解析
-原子モデル構築 1
詳細 | Initial fitting was performed in chimera followed by real space refinement in Phenix |
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精密化 | 空間: REAL / プロトコル: RIGID BODY FIT / 温度因子: 122 |
得られたモデル | PDB-8byl: |