- PDB-5l08: Cryo-EM structure of Casp-8 tDED filament -
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基本情報
登録情報
データベース: PDB / ID: 5l08
タイトル
Cryo-EM structure of Casp-8 tDED filament
要素
Caspase-8
キーワード
APOPTOSIS / Casp-8 / filament / DED / Death domain
機能・相同性
機能・相同性情報
caspase-8 / syncytiotrophoblast cell differentiation involved in labyrinthine layer development / death effector domain binding / FasL/ CD95L signaling / TRAIL signaling / CD95 death-inducing signaling complex / Apoptotic execution phase / ripoptosome / Defective RIPK1-mediated regulated necrosis / Activation, myristolyation of BID and translocation to mitochondria ...caspase-8 / syncytiotrophoblast cell differentiation involved in labyrinthine layer development / death effector domain binding / FasL/ CD95L signaling / TRAIL signaling / CD95 death-inducing signaling complex / Apoptotic execution phase / ripoptosome / Defective RIPK1-mediated regulated necrosis / Activation, myristolyation of BID and translocation to mitochondria / Microbial modulation of RIPK1-mediated regulated necrosis / TRAIL-activated apoptotic signaling pathway / TRIF-mediated programmed cell death / Regulation by c-FLIP / CASP8 activity is inhibited / Dimerization of procaspase-8 / TLR3-mediated TICAM1-dependent programmed cell death / Caspase activation via Death Receptors in the presence of ligand / positive regulation of macrophage differentiation / self proteolysis / response to cobalt ion / NF-kB activation through FADD/RIP-1 pathway mediated by caspase-8 and -10 / death-inducing signaling complex / CLEC7A/inflammasome pathway / negative regulation of necroptotic process / regulation of tumor necrosis factor-mediated signaling pathway / tumor necrosis factor receptor binding / death receptor binding / natural killer cell activation / TNFR1-induced proapoptotic signaling / RIPK1-mediated regulated necrosis / response to anesthetic / execution phase of apoptosis / regulation of innate immune response / Apoptotic cleavage of cellular proteins / pyroptotic inflammatory response / B cell activation / response to tumor necrosis factor / positive regulation of proteolysis / macrophage differentiation / extrinsic apoptotic signaling pathway via death domain receptors / positive regulation of execution phase of apoptosis / Caspase-mediated cleavage of cytoskeletal proteins / extrinsic apoptotic signaling pathway / negative regulation of canonical NF-kappaB signal transduction / cysteine-type peptidase activity / Regulation of NF-kappa B signaling / regulation of cytokine production / proteolysis involved in protein catabolic process / T cell activation / protein maturation / Regulation of TNFR1 signaling / positive regulation of interleukin-1 beta production / NOD1/2 Signaling Pathway / apoptotic signaling pathway / Regulation of necroptotic cell death / cellular response to mechanical stimulus / protein processing / response to estradiol / peptidase activity / positive regulation of neuron apoptotic process / lamellipodium / heart development / cell body / scaffold protein binding / response to ethanol / angiogenesis / response to lipopolysaccharide / mitochondrial outer membrane / cytoskeleton / positive regulation of canonical NF-kappaB signal transduction / positive regulation of cell migration / positive regulation of apoptotic process / cysteine-type endopeptidase activity / ubiquitin protein ligase binding / apoptotic process / protein-containing complex binding / protein-containing complex / mitochondrion / proteolysis / identical protein binding / nucleus / cytosol / cytoplasm 類似検索 - 分子機能
Caspase-8 / Death effector domain / Death effector domain / Death effector domain (DED) profile. / 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 / Death effector domain (DED) profile. / 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 類似検索 - ドメイン・相同性
ジャーナル: Mol Cell / 年: 2016 タイトル: Cryo-EM Structure of Caspase-8 Tandem DED Filament Reveals Assembly and Regulation Mechanisms of the Death-Inducing Signaling Complex. 著者: Tian-Min Fu / Yang Li / Alvin Lu / Zongli Li / Parimala R Vajjhala / Anthony C Cruz / Devendra B Srivastava / Frank DiMaio / Pawel A Penczek / Richard M Siegel / Katryn J Stacey / Edward H Egelman / Hao Wu / 要旨: Caspase-8 activation can be triggered by death receptor-mediated formation of the death-inducing signaling complex (DISC) and by the inflammasome adaptor ASC. Caspase-8 assembles with FADD at the ...Caspase-8 activation can be triggered by death receptor-mediated formation of the death-inducing signaling complex (DISC) and by the inflammasome adaptor ASC. Caspase-8 assembles with FADD at the DISC and with ASC at the inflammasome through its tandem death effector domain (tDED), which is regulated by the tDED-containing cellular inhibitor cFLIP and the viral inhibitor MC159. Here we present the caspase-8 tDED filament structure determined by cryoelectron microscopy. Extensive assembly interfaces not predicted by the previously proposed linear DED chain model were uncovered, and were further confirmed by structure-based mutagenesis in filament formation in vitro and Fas-induced apoptosis and ASC-mediated caspase-8 recruitment in cells. Structurally, the two DEDs in caspase-8 use quasi-equivalent contacts to enable assembly. Using the tDED filament structure as a template, structural analyses reveal the interaction surfaces between FADD and caspase-8 and the distinct mechanisms of regulation by cFLIP and MC159 through comingling and capping, respectively.