+
データを開く
-
基本情報
| 登録情報 | データベース: PDB / ID: 8yni | ||||||
|---|---|---|---|---|---|---|---|
| タイトル | Structure of the FADD/Caspase-8/cFLIP death effector domain assembly | ||||||
要素 |
| ||||||
キーワード | APOPTOSIS / FADD / caspase-8 / cellular FLICE-like inhibitory protein / Death effector domain | ||||||
| 機能・相同性 | 機能・相同性情報positive regulation of CD8-positive, alpha-beta cytotoxic T cell extravasation / negative regulation of myoblast fusion / negative regulation of activation-induced cell death of T cells / skeletal muscle atrophy / skeletal myofibril assembly / caspase-8 / syncytiotrophoblast cell differentiation involved in labyrinthine layer development / death effector domain binding / tumor necrosis factor receptor superfamily binding / FasL/ CD95L signaling ...positive regulation of CD8-positive, alpha-beta cytotoxic T cell extravasation / negative regulation of myoblast fusion / negative regulation of activation-induced cell death of T cells / skeletal muscle atrophy / skeletal myofibril assembly / caspase-8 / syncytiotrophoblast cell differentiation involved in labyrinthine layer development / death effector domain binding / tumor necrosis factor receptor superfamily binding / FasL/ CD95L signaling / TRAIL signaling / CD95 death-inducing signaling complex / regulation of skeletal muscle satellite cell proliferation / Apoptotic execution phase / death-inducing signaling complex assembly / Activation, myristolyation of BID and translocation to mitochondria / ripoptosome / Defective RIPK1-mediated regulated necrosis / Microbial modulation of RIPK1-mediated regulated necrosis / TRAIL-activated apoptotic signaling pathway / TRIF-mediated programmed cell death / caspase binding / Regulation by c-FLIP / CASP8 activity is inhibited / Dimerization of procaspase-8 / regulation of necroptotic process / TLR3-mediated TICAM1-dependent programmed cell death / positive regulation of extracellular matrix organization / self proteolysis / Caspase activation via Death Receptors in the presence of ligand / positive regulation of adaptive immune response / positive regulation of macrophage differentiation / negative regulation of hepatocyte apoptotic process / positive regulation of glomerular mesangial cell proliferation / response to cobalt ion / necroptotic signaling pathway / skeletal muscle tissue regeneration / positive regulation of hepatocyte proliferation / NF-kB activation through FADD/RIP-1 pathway mediated by caspase-8 and -10 / death-inducing signaling complex / CLEC7A/inflammasome pathway / receptor serine/threonine kinase binding / negative regulation of necroptotic process / regulation of tumor necrosis factor-mediated signaling pathway / tumor necrosis factor receptor binding / positive regulation of type I interferon-mediated signaling pathway / positive regulation of innate immune response / death receptor binding / natural killer cell activation / positive regulation of extrinsic apoptotic signaling pathway / TNFR1-induced proapoptotic signaling / motor neuron apoptotic process / negative regulation of cellular response to transforming growth factor beta stimulus / negative regulation of cardiac muscle cell apoptotic process / RIPK1-mediated regulated necrosis / execution phase of apoptosis / response to anesthetic / regulation of innate immune response / Apoptotic cleavage of cellular proteins / response to testosterone / pyroptotic inflammatory response / response to tumor necrosis factor / T cell homeostasis / B cell activation / macrophage differentiation / positive regulation of activated T cell proliferation / positive regulation of proteolysis / extrinsic apoptotic signaling pathway via death domain receptors / Caspase-mediated cleavage of cytoskeletal proteins / positive regulation of execution phase of apoptosis / cellular response to dexamethasone stimulus / lymph node development / skeletal muscle tissue development / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / spleen development / negative regulation of reactive oxygen species biosynthetic process / behavioral response to cocaine / extrinsic apoptotic signaling pathway / extrinsic apoptotic signaling pathway in absence of ligand / negative regulation of canonical NF-kappaB signal transduction / signaling adaptor activity / cellular response to nitric oxide / cysteine-type peptidase activity / regulation of cytokine production / : / thymus development / T cell activation / cellular response to epidermal growth factor stimulus / protein maturation / positive regulation of interleukin-1 beta production / negative regulation of extrinsic apoptotic signaling pathway / positive regulation of interleukin-8 production / Regulation of NF-kappa B signaling / apoptotic signaling pathway / kidney development / cellular response to estradiol stimulus / Regulation of TNFR1 signaling / enzyme activator activity / cellular response to mechanical stimulus / positive regulation of neuron projection development 類似検索 - 分子機能 | ||||||
| 生物種 | Homo sapiens (ヒト) | ||||||
| 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: 3.66 Å | ||||||
データ登録者 | Lin, S.-C. / Yang, C.-Y. | ||||||
| 資金援助 | 台湾, 1件
| ||||||
引用 | ジャーナル: Nat Commun / 年: 2024タイトル: Reverse hierarchical DED assembly in the cFLIP-procaspase-8 and cFLIP-procaspase-8-FADD complexes. 著者: Chao-Yu Yang / Yi-Chun Tseng / Yi-Fan Tu / Bai-Jiun Kuo / Li-Chung Hsu / Chia-I Lien / You-Sheng Lin / Yin-Ting Wang / Yen-Chen Lu / Tsung-Wei Su / Yu-Chih Lo / Su-Chang Lin / ![]() 要旨: cFLIP, a master anti-apoptotic regulator, targets the FADD-induced DED complexes of procaspase-8 in death receptor and ripoptosome signaling pathways. Several tumor cells maintain relatively high ...cFLIP, a master anti-apoptotic regulator, targets the FADD-induced DED complexes of procaspase-8 in death receptor and ripoptosome signaling pathways. Several tumor cells maintain relatively high levels of cFLIP in achieving their immortality. However, understanding the three-dimensional regulatory mechanism initiated or mediated by elevated levels of cFLIP has been limited by the absence of the atomic coordinates for cFLIP-induced DED complexes. Here we report the crystal plus cryo-EM structures to uncover an unconventional mechanism where cFLIP and procaspase-8 autonomously form a binary tandem DED complex, independent of FADD. This complex gains the ability to recruit FADD, thereby allosterically modulating cFLIP assembly and partially activating caspase-8 for RIPK1 cleavage. Our structure-guided mutagenesis experiments provide critical insights into these regulatory mechanisms, elucidating the resistance to apoptosis and necroptosis in achieving immortality. Finally, this research offers a unified model for the intricate bidirectional hierarchy-based processes using multiprotein helical assembly to govern cell fate decisions. | ||||||
| 履歴 |
|
-
構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
|---|
-
ダウンロードとリンク
-
ダウンロード
| PDBx/mmCIF形式 | 8yni.cif.gz | 312.1 KB | 表示 | PDBx/mmCIF形式 |
|---|---|---|---|---|
| PDB形式 | pdb8yni.ent.gz | 247.6 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8yni.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
| 文書・要旨 | 8yni_validation.pdf.gz | 1.6 MB | 表示 | wwPDB検証レポート |
|---|---|---|---|---|
| 文書・詳細版 | 8yni_full_validation.pdf.gz | 1.6 MB | 表示 | |
| XML形式データ | 8yni_validation.xml.gz | 58.3 KB | 表示 | |
| CIF形式データ | 8yni_validation.cif.gz | 86.4 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/yn/8yni ftp://data.pdbj.org/pub/pdb/validation_reports/yn/8yni | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 39424MC ![]() 8ym4C ![]() 8ym5C ![]() 8ym6C ![]() 8ynkC ![]() 8ynlC ![]() 8ynmC ![]() 8ynnC 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 ( |
|---|---|
| 類似構造データ | 類似検索 - 機能・相同性 F&H 検索 |
-
リンク
-
集合体
| 登録構造単位 | ![]()
|
|---|---|
| 1 |
|
-
要素
| #1: タンパク質 | 分子量: 55191.648 Da / 分子数: 3 / 変異: F122G, L123G, C360A, D374A, D384A / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: CASP8, MCH5 / 発現宿主: ![]() #2: タンパク質 | 分子量: 20878.479 Da / 分子数: 5 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: CFLAR, CASH, CASP8AP1, CLARP, MRIT / 発現宿主: ![]() #3: タンパク質 | 分子量: 24291.410 Da / 分子数: 3 / 変異: F25G / 由来タイプ: 組換発現 / 詳細: FADD / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: FADD, MORT1, GIG3 / 発現宿主: ![]() Has protein modification | N | |
|---|
-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
|---|---|
| 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 |
-
試料調製
| 構成要素 | 名称: FADD/Caspase-8/cFLIP death effector domain assembly / タイプ: COMPLEX / Entity ID: all / 由来: RECOMBINANT | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 分子量 | 実験値: NO | |||||||||||||||
| 由来(天然) | 生物種: Homo sapiens (ヒト) | |||||||||||||||
| 由来(組換発現) | 生物種: ![]() | |||||||||||||||
| 緩衝液 | pH: 8 | |||||||||||||||
| 緩衝液成分 |
| |||||||||||||||
| 試料 | 濃度: 0.2 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | |||||||||||||||
| 試料支持 | グリッドの材料: COPPER / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: Quantifoil R1.2/1.3 | |||||||||||||||
| 急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 95 % / 凍結前の試料温度: 279 K |
-
電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
|---|---|
| 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 / 倍率(公称値): 165000 X / 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 / Cs: 2.7 mm / アライメント法: BASIC |
| 試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
| 撮影 | 電子線照射量: 72 e/Å2 / 検出モード: COUNTING フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) |
| 画像スキャン | 動画フレーム数/画像: 80 |
-
解析
| EMソフトウェア | 名称: PHENIX / バージョン: 1.20.1_4487: / カテゴリ: モデル精密化 |
|---|---|
| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION |
| 粒子像の選択 | 選択した粒子像数: 246000 |
| 対称性 | 点対称性: C1 (非対称) |
| 3次元再構成 | 解像度: 3.66 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 24014 / 対称性のタイプ: POINT |
ムービー
コントローラー
万見について




Homo sapiens (ヒト)
台湾, 1件
引用











PDBj













FIELD EMISSION GUN