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基本情報
登録情報 | データベース: EMDB / ID: EMD-11098 | |||||||||
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タイトル | Cryo-EM structure of human CCDC124 bound to 80S ribosomes | |||||||||
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![]() | Ribosome / hibernation | |||||||||
機能・相同性 | ![]() eukaryotic 80S initiation complex / negative regulation of protein neddylation / positive regulation of cysteine-type endopeptidase activity involved in execution phase of apoptosis / negative regulation of endoplasmic reticulum unfolded protein response / translation at presynapse / oxidized pyrimidine DNA binding / response to TNF agonist / positive regulation of base-excision repair / protein tyrosine kinase inhibitor activity / axial mesoderm development ...eukaryotic 80S initiation complex / negative regulation of protein neddylation / positive regulation of cysteine-type endopeptidase activity involved in execution phase of apoptosis / negative regulation of endoplasmic reticulum unfolded protein response / translation at presynapse / oxidized pyrimidine DNA binding / response to TNF agonist / positive regulation of base-excision repair / protein tyrosine kinase inhibitor activity / axial mesoderm development / positive regulation of respiratory burst involved in inflammatory response / ribosomal protein import into nucleus / negative regulation of formation of translation preinitiation complex / regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage / positive regulation of gastrulation / nucleolus organization / IRE1-RACK1-PP2A complex / 90S preribosome assembly / : / positive regulation of endodeoxyribonuclease activity / positive regulation of Golgi to plasma membrane protein transport / TNFR1-mediated ceramide production / negative regulation of DNA repair / negative regulation of RNA splicing / TORC2 complex binding / GAIT complex / negative regulation of intrinsic apoptotic signaling pathway in response to hydrogen peroxide / oxidized purine DNA binding / supercoiled DNA binding / neural crest cell differentiation / middle ear morphogenesis / NF-kappaB complex / ubiquitin-like protein conjugating enzyme binding / regulation of establishment of cell polarity / negative regulation of phagocytosis / positive regulation of ubiquitin-protein transferase activity / rRNA modification in the nucleus and cytosol / A band / Formation of the ternary complex, and subsequently, the 43S complex / erythrocyte homeostasis / cytoplasmic side of rough endoplasmic reticulum membrane / alpha-beta T cell differentiation / regulation of G1 to G0 transition / laminin receptor activity / exit from mitosis / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / regulation of translation involved in cellular response to UV / protein-DNA complex disassembly / protein kinase A binding / positive regulation of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator / optic nerve development / negative regulation of ubiquitin protein ligase activity / Ribosomal scanning and start codon recognition / ion channel inhibitor activity / response to aldosterone / Translation initiation complex formation / pigmentation / retinal ganglion cell axon guidance / mammalian oogenesis stage / G1 to G0 transition / positive regulation of mitochondrial depolarization / homeostatic process / activation-induced cell death of T cells / macrophage chemotaxis / positive regulation of T cell receptor signaling pathway / lung morphogenesis / negative regulation of Wnt signaling pathway / fibroblast growth factor binding / positive regulation of activated T cell proliferation / male meiosis I / iron-sulfur cluster binding / regulation of cell division / Protein hydroxylation / negative regulation of peptidyl-serine phosphorylation / BH3 domain binding / mTORC1-mediated signalling / SARS-CoV-1 modulates host translation machinery / monocyte chemotaxis / Peptide chain elongation / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / cysteine-type endopeptidase activator activity involved in apoptotic process / Selenocysteine synthesis / positive regulation of signal transduction by p53 class mediator / Formation of a pool of free 40S subunits / phagocytic cup / Eukaryotic Translation Termination / blastocyst development / ubiquitin ligase inhibitor activity / Response of EIF2AK4 (GCN2) to amino acid deficiency / SRP-dependent cotranslational protein targeting to membrane / negative regulation of respiratory burst involved in inflammatory response / negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / Viral mRNA Translation / protein localization to nucleus / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / GTP hydrolysis and joining of the 60S ribosomal subunit / endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / L13a-mediated translational silencing of Ceruloplasmin expression / TOR signaling 類似検索 - 分子機能 | |||||||||
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手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.0 Å | |||||||||
![]() | Wells JN / Buschauer R | |||||||||
![]() | ![]() タイトル: Structure and function of yeast Lso2 and human CCDC124 bound to hibernating ribosomes. 著者: Jennifer N Wells / Robert Buschauer / Timur Mackens-Kiani / Katharina Best / Hanna Kratzat / Otto Berninghausen / Thomas Becker / Wendy Gilbert / Jingdong Cheng / Roland Beckmann / ![]() ![]() 要旨: Cells adjust to nutrient deprivation by reversible translational shutdown. This is accompanied by maintaining inactive ribosomes in a hibernation state, in which they are bound by proteins with ...Cells adjust to nutrient deprivation by reversible translational shutdown. This is accompanied by maintaining inactive ribosomes in a hibernation state, in which they are bound by proteins with inhibitory and protective functions. In eukaryotes, such a function was attributed to suppressor of target of Myb protein 1 (Stm1; SERPINE1 mRNA-binding protein 1 [SERBP1] in mammals), and recently, late-annotated short open reading frame 2 (Lso2; coiled-coil domain containing short open reading frame 124 [CCDC124] in mammals) was found to be involved in translational recovery after starvation from stationary phase. Here, we present cryo-electron microscopy (cryo-EM) structures of translationally inactive yeast and human ribosomes. We found Lso2/CCDC124 accumulating on idle ribosomes in the nonrotated state, in contrast to Stm1/SERBP1-bound ribosomes, which display a rotated state. Lso2/CCDC124 bridges the decoding sites of the small with the GTPase activating center (GAC) of the large subunit. This position allows accommodation of the duplication of multilocus region 34 protein (Dom34)-dependent ribosome recycling system, which splits Lso2-containing, but not Stm1-containing, ribosomes. We propose a model in which Lso2 facilitates rapid translation reactivation by stabilizing the recycling-competent state of inactive ribosomes. | |||||||||
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構造の表示
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構造ビューア | EMマップ: ![]() ![]() ![]() |
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マップデータ | ![]() | 144 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 98.8 KB 98.8 KB | 表示 表示 | ![]() |
FSC (解像度算出) | ![]() | 14.2 KB | 表示 | ![]() |
画像 | ![]() | 258.8 KB | ||
Filedesc metadata | ![]() | 19.7 KB | ||
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「今月の分子」の関連する項目 |
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ボクセルのサイズ | X=Y=Z: 1.061 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
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試料の構成要素
+全体 : CCDC124-80S ribosome
+超分子 #1: CCDC124-80S ribosome
+分子 #1: 28S rRNA
+分子 #2: 5S rRNA
+分子 #3: 5.8S rRNA
+分子 #47: 18S rRNA
+分子 #82: tRNA
+分子 #4: 60S ribosomal protein L8
+分子 #5: 60S ribosomal protein L3
+分子 #6: 60S ribosomal protein L4
+分子 #7: 60S ribosomal protein L5
+分子 #8: 60S ribosomal protein L6
+分子 #9: 60S ribosomal protein L7
+分子 #10: 60S ribosomal protein L7a
+分子 #11: 60S ribosomal protein L9
+分子 #12: 60S ribosomal protein L10-like
+分子 #13: 60S ribosomal protein L11
+分子 #14: 60S ribosomal protein L13
+分子 #15: 60S ribosomal protein L14
+分子 #16: 60S ribosomal protein L15
+分子 #17: 60S ribosomal protein L13a
+分子 #18: 60S ribosomal protein L17
+分子 #19: 60S ribosomal protein L18
+分子 #20: 60S ribosomal protein L19
+分子 #21: 60S ribosomal protein L18a
+分子 #22: 60S ribosomal protein L21
+分子 #23: 60S ribosomal protein L22
+分子 #24: 60S ribosomal protein L23
+分子 #25: 60S ribosomal protein L24
+分子 #26: 60S ribosomal protein L23a
+分子 #27: 60S ribosomal protein L26
+分子 #28: 60S ribosomal protein L27
+分子 #29: 60S ribosomal protein L27a
+分子 #30: 60S ribosomal protein L29
+分子 #31: 60S ribosomal protein L30
+分子 #32: 60S ribosomal protein L31
+分子 #33: 60S ribosomal protein L32
+分子 #34: 60S ribosomal protein L35a
+分子 #35: 60S ribosomal protein L34
+分子 #36: 60S ribosomal protein L35
+分子 #37: 60S ribosomal protein L36
+分子 #38: 60S ribosomal protein L37
+分子 #39: 60S ribosomal protein L38
+分子 #40: 60S ribosomal protein L39
+分子 #41: Ubiquitin-60S ribosomal protein L40
+分子 #42: 60S ribosomal protein L41
+分子 #43: 60S ribosomal protein L36a
+分子 #44: 60S ribosomal protein L37a
+分子 #45: 60S ribosomal protein L28
+分子 #46: 60S ribosomal protein L10a
+分子 #48: 40S ribosomal protein SA
+分子 #49: 40S ribosomal protein S3a
+分子 #50: 40S ribosomal protein S3
+分子 #51: 40S ribosomal protein S4, X isoform
+分子 #52: 40S ribosomal protein S5
+分子 #53: 40S ribosomal protein S7
+分子 #54: 40S ribosomal protein S8
+分子 #55: 40S ribosomal protein S10
+分子 #56: 40S ribosomal protein S11
+分子 #57: 40S ribosomal protein S15
+分子 #58: 40S ribosomal protein S16
+分子 #59: 40S ribosomal protein S17
+分子 #60: 40S ribosomal protein S18
+分子 #61: 40S ribosomal protein S19
+分子 #62: 40S ribosomal protein S20
+分子 #63: 40S ribosomal protein S21
+分子 #64: 40S ribosomal protein S23
+分子 #65: 40S ribosomal protein S26
+分子 #66: 40S ribosomal protein S28
+分子 #67: 40S ribosomal protein S29
+分子 #68: Receptor of activated protein C kinase 1
+分子 #69: 40S ribosomal protein S2
+分子 #70: 40S ribosomal protein S6
+分子 #71: 40S ribosomal protein S9
+分子 #72: 40S ribosomal protein S12
+分子 #73: 40S ribosomal protein S13
+分子 #74: 40S ribosomal protein S14
+分子 #75: 40S ribosomal protein S15a
+分子 #76: 40S ribosomal protein S24
+分子 #77: 40S ribosomal protein S25
+分子 #78: 40S ribosomal protein S27
+分子 #79: 40S ribosomal protein S30
+分子 #80: Ubiquitin-40S ribosomal protein S27a
+分子 #81: Proliferation-associated protein 2G4
+分子 #83: Coiled-coil domain-containing protein 124
+分子 #84: MAGNESIUM ION
+分子 #85: ZINC ION
-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: 7.4 |
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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: FEI FALCON III (4k x 4k) 平均電子線量: 28.0 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 |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |