+
データを開く
-
基本情報
| 登録情報 | データベース: PDB / ID: 8spb | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| タイトル | Caspase-4/Pro-IL-18 complex | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
要素 |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
キーワード | IMMUNE SYSTEM / Innate immune / Complex | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報caspase-4 / non-canonical inflammasome complex / interleukin-18 receptor binding / positive regulation of interleukin-18-mediated signaling pathway / non-canonical inflammasome complex assembly / Interleukin-18 signaling / NLRP1 inflammasome complex / positive regulation of tissue remodeling / positive regulation of T-helper 1 cell cytokine production / positive regulation of T-helper 2 cell differentiation ...caspase-4 / non-canonical inflammasome complex / interleukin-18 receptor binding / positive regulation of interleukin-18-mediated signaling pathway / non-canonical inflammasome complex assembly / Interleukin-18 signaling / NLRP1 inflammasome complex / positive regulation of tissue remodeling / positive regulation of T-helper 1 cell cytokine production / positive regulation of T-helper 2 cell differentiation / CARD domain binding / positive regulation of interleukin-13 production / interleukin-18-mediated signaling pathway / positive regulation of neuroinflammatory response / neutrophil activation / negative regulation of myoblast differentiation / Interleukin-1 processing / positive regulation of NK T cell proliferation / sleep / positive regulation of tumor necrosis factor-mediated signaling pathway / positive regulation of macrophage derived foam cell differentiation / natural killer cell activation / positive regulation of granulocyte macrophage colony-stimulating factor production / type 2 immune response / triglyceride homeostasis / T-helper 1 type immune response / positive regulation of tyrosine phosphorylation of STAT protein / natural killer cell mediated cytotoxicity / pyroptotic inflammatory response / Interleukin-10 signaling / positive regulation of interleukin-17 production / positive regulation of natural killer cell proliferation / protein autoprocessing / positive regulation of activated T cell proliferation / intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress / Pyroptosis / establishment of skin barrier / regulation of cell adhesion / Purinergic signaling in leishmaniasis infection / positive regulation of chemokine production / positive regulation of smooth muscle cell proliferation / intrinsic apoptotic signaling pathway / cholesterol homeostasis / protein maturation / cytokine activity / lipopolysaccharide binding / positive regulation of non-canonical NF-kappaB signal transduction / : / NOD1/2 Signaling Pathway / positive regulation of type II interferon production / cellular response to amyloid-beta / cytokine-mediated signaling pathway / positive regulation of inflammatory response / cell-cell signaling / positive regulation of neuron apoptotic process / positive regulation of cold-induced thermogenesis / cellular response to lipopolysaccharide / regulation of inflammatory response / angiogenesis / Interleukin-4 and Interleukin-13 signaling / cell population proliferation / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / defense response to Gram-positive bacterium / defense response to bacterium / immune response / inflammatory response / innate immune response / cysteine-type endopeptidase activity / apoptotic process / lipid binding / endoplasmic reticulum membrane / endoplasmic reticulum / positive regulation of transcription by RNA polymerase II / protein-containing complex / mitochondrion / proteolysis / extracellular space / extracellular region / plasma membrane / cytosol / cytoplasm 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: 3.2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
データ登録者 | Pascal, D. / Dong, Y. / Wu, H. / Jon, K. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 資金援助 | 米国, 1件
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
引用 | ジャーナル: Nature / 年: 2023タイトル: Structural insights into cytokine cleavage by inflammatory caspase-4. 著者: Pascal Devant / Ying Dong / Julian Mintseris / Weiyi Ma / Steven P Gygi / Hao Wu / Jonathan C Kagan / ![]() 要旨: Inflammatory caspases are key enzymes in mammalian innate immunity that control the processing and release of interleukin-1 (IL-1)-family cytokines. Despite the biological importance, the structural ...Inflammatory caspases are key enzymes in mammalian innate immunity that control the processing and release of interleukin-1 (IL-1)-family cytokines. Despite the biological importance, the structural basis for inflammatory caspase-mediated cytokine processing has remained unclear. To date, catalytic cleavage of IL-1-family members, including pro-IL-1β and pro-IL-18, has been attributed primarily to caspase-1 activities within canonical inflammasomes. Here we demonstrate that the lipopolysaccharide receptor caspase-4 from humans and other mammalian species (except rodents) can cleave pro-IL-18 with an efficiency similar to pro-IL-1β and pro-IL-18 cleavage by the prototypical IL-1-converting enzyme caspase-1. This ability of caspase-4 to cleave pro-IL-18, combined with its previously defined ability to cleave and activate the lytic pore-forming protein gasdermin D (GSDMD), enables human cells to bypass the need for canonical inflammasomes and caspase-1 for IL-18 release. The structure of the caspase-4-pro-IL-18 complex determined using cryogenic electron microscopy reveals that pro-lL-18 interacts with caspase-4 through two distinct interfaces: a protease exosite and an interface at the caspase-4 active site involving residues in the pro-domain of pro-IL-18, including the tetrapeptide caspase-recognition sequence. The mechanisms revealed for cytokine substrate capture and cleavage differ from those observed for the caspase substrate GSDMD. These findings provide a structural framework for the discussion of caspase activities in health and disease. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 8spb.cif.gz | 160.9 KB | 表示 | PDBx/mmCIF形式 |
|---|---|---|---|---|
| PDB形式 | pdb8spb.ent.gz | 124.3 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8spb.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 | 8spb_validation.pdf.gz | 1009.6 KB | 表示 | wwPDB検証レポート |
|---|---|---|---|---|
| 文書・詳細版 | 8spb_full_validation.pdf.gz | 1020.6 KB | 表示 | |
| XML形式データ | 8spb_validation.xml.gz | 34.9 KB | 表示 | |
| CIF形式データ | 8spb_validation.cif.gz | 50.8 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/sp/8spb ftp://data.pdbj.org/pub/pdb/validation_reports/sp/8spb | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 40678MC 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: 23353.363 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: CASP4, ICH2 / 発現宿主: ![]() #2: タンパク質 | 分子量: 10770.386 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: CASP4, ICH2 / 発現宿主: ![]() #3: タンパク質 | 分子量: 21850.641 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: IL18 / プラスミド: pTIE1発現宿主: Baculovirus expression vector pFastBac1-HM (ウイルス)参照: UniProt: Q14116 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: caspase-4 in complex with pro-IL-18 / タイプ: COMPLEX / Entity ID: #1, #3, #2 / 由来: MULTIPLE SOURCES |
|---|---|
| 分子量 | 値: 0.144 MDa / 実験値: YES |
| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: ![]() |
| 緩衝液 | pH: 7.4 |
| 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 |
-
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: OTHER |
| 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): 1000 nm |
| 撮影 | 電子線照射量: 55 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
-
解析
| EMソフトウェア | 名称: PHENIX / カテゴリ: モデル精密化 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CTF補正 | タイプ: NONE | ||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.2 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 200000 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
| 拘束条件 |
|
ムービー
コントローラー
万見について




Homo sapiens (ヒト)
米国, 1件
引用

PDBj

















Baculovirus expression vector pFastBac1-HM (ウイルス)
FIELD EMISSION GUN