- EMDB-39126: Structure of the FADD/Caspase-8/cFLIP death effector domain assembly -
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基本情報
登録情報
データベース: EMDB / ID: EMD-39126
タイトル
Structure of the FADD/Caspase-8/cFLIP death effector domain assembly
マップデータ
sharpened map
試料
複合体: FADD/Caspase-8/cFLIP death effector domain assembly
タンパク質・ペプチド: Caspase-8 subunit p10
タンパク質・ペプチド: CASP8 and FADD-like apoptosis regulator subunit p43
タンパク質・ペプチド: FAS-associated death domain protein
キーワード
FADD / caspase-8 / cellular FLICE-like inhibitory protein / Death effector domain / APOPTOSIS
機能・相同性
機能・相同性情報
negative regulation of myoblast fusion / skeletal myofibril assembly / caspase-8 / death effector domain binding / FasL/ CD95L signaling / syncytiotrophoblast cell differentiation involved in labyrinthine layer development / skeletal muscle atrophy / TRAIL signaling / CD95 death-inducing signaling complex / regulation of skeletal muscle satellite cell proliferation ...negative regulation of myoblast fusion / skeletal myofibril assembly / caspase-8 / death effector domain binding / FasL/ CD95L signaling / syncytiotrophoblast cell differentiation involved in labyrinthine layer development / skeletal muscle atrophy / TRAIL signaling / CD95 death-inducing signaling complex / regulation of skeletal muscle satellite cell proliferation / ripoptosome / Defective RIPK1-mediated regulated necrosis / TRAIL-activated apoptotic signaling pathway / Apoptotic execution phase / Activation, myristolyation of BID and translocation to mitochondria / TRIF-mediated programmed cell death / Microbial modulation of RIPK1-mediated regulated necrosis / Regulation by c-FLIP / CASP8 activity is inhibited / Dimerization of procaspase-8 / TLR3-mediated TICAM1-dependent programmed cell death / regulation of necroptotic process / Caspase activation via Death Receptors in the presence of ligand / positive regulation of extracellular matrix organization / positive regulation of macrophage differentiation / self proteolysis / positive regulation of glomerular mesangial cell proliferation / response to cobalt ion / NF-kB activation through FADD/RIP-1 pathway mediated by caspase-8 and -10 / death-inducing signaling complex / skeletal muscle tissue regeneration / CLEC7A/inflammasome pathway / negative regulation of necroptotic process / response to anesthetic / negative regulation of hepatocyte apoptotic process / regulation of tumor necrosis factor-mediated signaling pathway / tumor necrosis factor receptor binding / death receptor binding / positive regulation of hepatocyte proliferation / natural killer cell activation / negative regulation of cellular response to transforming growth factor beta stimulus / TNFR1-induced proapoptotic signaling / RIPK1-mediated regulated necrosis / negative regulation of cardiac muscle cell apoptotic process / execution phase of apoptosis / regulation of innate immune response / Apoptotic cleavage of cellular proteins / pyroptotic inflammatory response / response to testosterone / : / B cell activation / positive regulation of proteolysis / macrophage differentiation / response to tumor necrosis factor / extrinsic apoptotic signaling pathway via death domain receptors / Caspase-mediated cleavage of cytoskeletal proteins / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / skeletal muscle tissue development / negative regulation of reactive oxygen species biosynthetic process / extrinsic apoptotic signaling pathway / negative regulation of canonical NF-kappaB signal transduction / cellular response to nitric oxide / cysteine-type peptidase activity / cellular response to epidermal growth factor stimulus / regulation of cytokine production / cellular response to dexamethasone stimulus / protein maturation / proteolysis involved in protein catabolic process / T cell activation / enzyme activator activity / positive regulation of interleukin-1 beta production / negative regulation of extrinsic apoptotic signaling pathway / Regulation of NF-kappa B signaling / apoptotic signaling pathway / cellular response to estradiol stimulus / Regulation of TNFR1 signaling / wound healing / NOD1/2 Signaling Pathway / protein processing / positive regulation of neuron projection development / Regulation of necroptotic cell death / cellular response to insulin stimulus / cellular response to mechanical stimulus / positive regulation of NF-kappaB transcription factor activity / positive regulation of neuron apoptotic process / response to estradiol / lamellipodium / peptidase activity / heart development / cell body / protease binding / scaffold protein binding / angiogenesis / cellular response to hypoxia / cytosolic large ribosomal subunit / response to lipopolysaccharide / response to ethanol / mitochondrial outer membrane / positive regulation of canonical NF-kappaB signal transduction / cytoskeleton 類似検索 - 分子機能
Caspase-8 / Death effector domain / Death effector domain (DED) profile. / Death effector domain / Death effector domain / Peptidase family C14A, His active site / Caspase family histidine active site. / Peptidase C14, caspase non-catalytic subunit p10 / Peptidase family C14A, cysteine active site / Caspase family cysteine active site. ...Caspase-8 / Death effector domain / Death effector domain (DED) profile. / Death effector domain / Death effector domain / Peptidase family C14A, His active site / Caspase family histidine active site. / Peptidase C14, caspase non-catalytic subunit p10 / Peptidase family C14A, cysteine active site / Caspase family cysteine active site. / Caspase family p10 domain profile. / Peptidase C14A, caspase catalytic domain / Caspase, interleukin-1 beta converting enzyme (ICE) homologues / Peptidase C14, p20 domain / Caspase family p20 domain profile. / : / Caspase domain / Caspase-like domain superfamily / Death-like domain superfamily / : / Ribosomal protein L29, conserved site / Ribosomal protein L29 signature. / Ribosomal L29 protein / Ribosomal protein L29/L35 / Ribosomal protein L29/L35 superfamily 類似検索 - ドメイン・相同性
CASP8 and FADD-like apoptosis regulator / Large ribosomal subunit protein uL29 / Caspase-8 類似検索 - 構成要素
ジャーナル: Nat Commun / 年: 2024 タイトル: Deciphering DED assembly mechanisms in FADD-procaspase-8-cFLIP complexes regulating apoptosis. 著者: Chao-Yu Yang / Chia-I Lien / Yi-Chun Tseng / Yi-Fan Tu / Arkadiusz W Kulczyk / Yen-Chen Lu / Yin-Ting Wang / Tsung-Wei Su / Li-Chung Hsu / Yu-Chih Lo / Su-Chang Lin / 要旨: Fas-associated protein with death domain (FADD), procaspase-8, and cellular FLICE-inhibitory proteins (cFLIP) assemble through death-effector domains (DEDs), directing death receptor signaling ...Fas-associated protein with death domain (FADD), procaspase-8, and cellular FLICE-inhibitory proteins (cFLIP) assemble through death-effector domains (DEDs), directing death receptor signaling towards cell survival or apoptosis. Understanding their three-dimensional regulatory mechanism has been limited by the absence of atomic coordinates for their ternary DED complex. By employing X-ray crystallography and cryogenic electron microscopy (cryo-EM), we present the atomic coordinates of human FADD-procaspase-8-cFLIP complexes, revealing structural insights into these critical interactions. These structures illustrate how FADD and cFLIP orchestrate the assembly of caspase-8-containing complexes and offer mechanistic explanations for their role in promoting or inhibiting apoptotic and necroptotic signaling. A helical procaspase-8-cFLIP hetero-double layer in the complex appears to promote limited caspase-8 activation for cell survival. Our structure-guided mutagenesis supports the role of the triple-FADD complex in caspase-8 activation and in regulating receptor-interacting protein kinase 1 (RIPK1). These results propose a unified mechanism for DED assembly and procaspase-8 activation in the regulation of apoptotic and necroptotic signaling across various cellular pathways involved in development, innate immunity, and disease.