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データを開く
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基本情報
| 登録情報 | データベース: PDB / ID: 7xn5 | ||||||
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| タイトル | Cryo-EM structure of CopC-CaM-caspase-3 with ADPR | ||||||
要素 |
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キーワード | TOXIN / type III secretion system / Chromobacterium violaceum / caspase-3 / new PTM / programmed cell deathA / DP-ribosylation / ADPR-deacylization | ||||||
| 機能・相同性 | 機能・相同性情報Lyases; Carbon-nitrogen lyases; Other carbon-nitrogen lyases / ADP-riboxanase-[protein] activity / symbiont-mediated perturbation of host programmed cell death / caspase-3 / phospholipase A2 activator activity / Stimulation of the cell death response by PAK-2p34 / anterior neural tube closure / intrinsic apoptotic signaling pathway in response to osmotic stress / leukocyte apoptotic process / positive regulation of pyroptotic inflammatory response ...Lyases; Carbon-nitrogen lyases; Other carbon-nitrogen lyases / ADP-riboxanase-[protein] activity / symbiont-mediated perturbation of host programmed cell death / caspase-3 / phospholipase A2 activator activity / Stimulation of the cell death response by PAK-2p34 / anterior neural tube closure / intrinsic apoptotic signaling pathway in response to osmotic stress / leukocyte apoptotic process / positive regulation of pyroptotic inflammatory response / glial cell apoptotic process / NADE modulates death signalling / luteolysis / response to cobalt ion / cellular response to staurosporine / cyclin-dependent protein serine/threonine kinase inhibitor activity / death-inducing signaling complex / Caspase activation via Dependence Receptors in the absence of ligand / Apoptotic cleavage of cell adhesion proteins / Apoptosis induced DNA fragmentation / SMAC, XIAP-regulated apoptotic response / Activation of caspases through apoptosome-mediated cleavage / Signaling by Hippo / SMAC (DIABLO) binds to IAPs / SMAC(DIABLO)-mediated dissociation of IAP:caspase complexes / axonal fasciculation / death receptor binding / epithelial cell apoptotic process / fibroblast apoptotic process / regulation of synaptic vesicle cycle / platelet formation / CaM pathway / Other interleukin signaling / Cam-PDE 1 activation / execution phase of apoptosis / Sodium/Calcium exchangers / Calmodulin induced events / negative regulation of cytokine production / Reduction of cytosolic Ca++ levels / response to anesthetic / Activation of Ca-permeable Kainate Receptor / positive regulation of amyloid-beta formation / CREB1 phosphorylation through the activation of CaMKII/CaMKK/CaMKIV cascasde / Loss of phosphorylation of MECP2 at T308 / CREB1 phosphorylation through the activation of Adenylate Cyclase / Apoptotic cleavage of cellular proteins / negative regulation of high voltage-gated calcium channel activity / PKA activation / negative regulation of B cell proliferation / CaMK IV-mediated phosphorylation of CREB / Glycogen breakdown (glycogenolysis) / CLEC7A (Dectin-1) induces NFAT activation / Activation of RAC1 downstream of NMDARs / negative regulation of ryanodine-sensitive calcium-release channel activity / organelle localization by membrane tethering / negative regulation of activated T cell proliferation / mitochondrion-endoplasmic reticulum membrane tethering / autophagosome membrane docking / neurotrophin TRK receptor signaling pathway / negative regulation of calcium ion export across plasma membrane / regulation of ryanodine-sensitive calcium-release channel activity / regulation of cardiac muscle cell action potential / presynaptic endocytosis / Synthesis of IP3 and IP4 in the cytosol / Phase 0 - rapid depolarisation / B cell homeostasis / T cell homeostasis / Negative regulation of NMDA receptor-mediated neuronal transmission / Unblocking of NMDA receptors, glutamate binding and activation / RHO GTPases activate PAKs / calcineurin-mediated signaling / negative regulation of cell cycle / regulation of cell communication by electrical coupling involved in cardiac conduction / Ion transport by P-type ATPases / Uptake and function of anthrax toxins / protein phosphatase activator activity / response to amino acid / response to tumor necrosis factor / Long-term potentiation / Calcineurin activates NFAT / Regulation of MECP2 expression and activity / Pyroptosis / pyroptotic inflammatory response / DARPP-32 events / regulation of macroautophagy / Caspase-mediated cleavage of cytoskeletal proteins / Smooth Muscle Contraction / cell fate commitment / response to X-ray / detection of calcium ion / response to insulin-like growth factor stimulus / regulation of cardiac muscle contraction / response to glucose / catalytic complex / response to UV / RHO GTPases activate IQGAPs / keratinocyte differentiation / calcium channel inhibitor activity / presynaptic cytosol / Degradation of the extracellular matrix 類似検索 - 分子機能 | ||||||
| 生物種 | Homo sapiens (ヒト) Chromobacterium violaceum (バクテリア) | ||||||
| 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: 3.18 Å | ||||||
データ登録者 | Zhang, K. / Peng, T. / Tao, X.Y. / Tian, M. / Li, Y.X. / Wang, Z. / Ma, S.F. / Hu, S.F. / Pan, X. / Xue, J. ...Zhang, K. / Peng, T. / Tao, X.Y. / Tian, M. / Li, Y.X. / Wang, Z. / Ma, S.F. / Hu, S.F. / Pan, X. / Xue, J. / Luo, J.W. / Wu, Q.L. / Fu, Y. / Li, S. | ||||||
| 資金援助 | 1件
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引用 | ジャーナル: Mol Cell / 年: 2022タイトル: Structural insights into caspase ADPR deacylization catalyzed by a bacterial effector and host calmodulin. 著者: Kuo Zhang / Ting Peng / Xinyuan Tao / Miao Tian / Yanxin Li / Zhao Wang / Shuaifei Ma / Shufan Hu / Xing Pan / Juan Xue / Jiwei Luo / Qiulan Wu / Yang Fu / Shan Li / ![]() 要旨: Programmed cell death and caspase proteins play a pivotal role in host innate immune response combating pathogen infections. Blocking cell death is employed by many bacterial pathogens as a universal ...Programmed cell death and caspase proteins play a pivotal role in host innate immune response combating pathogen infections. Blocking cell death is employed by many bacterial pathogens as a universal virulence strategy. CopC family type III effectors, including CopC from an environmental pathogen Chromobacterium violaceum, utilize calmodulin (CaM) as a co-factor to inactivate caspases by arginine ADPR deacylization. However, the molecular basis of the catalytic and substrate/co-factor binding mechanism is unknown. Here, we determine successive cryo-EM structures of CaM-CopC-caspase-3 ternary complex in pre-reaction, transition, and post-reaction states, which elucidate a multistep enzymatic mechanism of CopC-catalyzed ADPR deacylization. Moreover, we capture a snapshot of the detachment of modified caspase-3 from CopC. These structural insights are validated by mutagenesis analyses of CopC-mediated ADPR deacylization in vitro and animal infection in vivo. Our study offers a structural framework for understanding the molecular basis of arginine ADPR deacylization catalyzed by the CopC family. | ||||||
| 履歴 |
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 7xn5.cif.gz | 170.1 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb7xn5.ent.gz | 129.3 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 7xn5.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
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/xn/7xn5 ftp://data.pdbj.org/pub/pdb/validation_reports/xn/7xn5 | HTTPS FTP |
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-関連構造データ
| 関連構造データ | ![]() 33311MC ![]() 7xn4C ![]() 7xn6C 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 F&H 検索 |
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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: 31651.938 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: CASP3, CPP32 / 発現宿主: Bacteria Latreille et al. 1825 (昆虫) / 参照: UniProt: P42574, caspase-3#2: タンパク質 | | 分子量: 52985.516 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) Chromobacterium violaceum (バクテリア)遺伝子: copC, CV_2038 / 発現宿主: Bacteria Latreille et al. 1825 (昆虫)参照: UniProt: Q7NWF2, Lyases; Carbon-nitrogen lyases; Other carbon-nitrogen lyases #3: タンパク質 | | 分子量: 16852.545 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: CALM1, CALM, CAM, CAM1 / 発現宿主: Bacteria Latreille et al. 1825 (昆虫) / 参照: UniProt: P0DP23#4: 化合物 | ChemComp-NCA / | #5: 化合物 | ChemComp-APR / | 研究の焦点であるリガンドがあるか | N | |
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-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 structure of CopC-CaM-caspase-3 with ADPR / タイプ: COMPLEX / Entity ID: #1-#3 / 由来: MULTIPLE SOURCES |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: Bacteria Latreille et al. 1825 (昆虫) |
| 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 |
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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: 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): 2500 nm / 最小 デフォーカス(公称値): 500 nm |
| 撮影 | 電子線照射量: 40 e/Å2 フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) |
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解析
| ソフトウェア | 名称: PHENIX / バージョン: 1.19.2_4158: / 分類: 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: 3.18 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 232460 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
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ムービー
コントローラー
万見について




Homo sapiens (ヒト)
Chromobacterium violaceum (バクテリア)
引用





PDBj



































gel filtration
Bacteria Latreille et al. 1825 (昆虫)


