登録情報 データベース : EMDB / ID : EMD-0107 構造の表示 ダウンロードとリンクタイトル Closed conformation of the Membrane Attack Complex マップデータ 詳細 試料複合体 : Membrane Attack Complex複合体 : C5bタンパク質・ペプチド : Complement C5,Complement C5複合体 : C6タンパク質・ペプチド : Complement component C6複合体 : C7タンパク質・ペプチド : Complement component C7複合体 : C8 alphaタンパク質・ペプチド : Complement component C8 alpha chain複合体 : C8 betaタンパク質・ペプチド : Complement component C8 beta chain複合体 : C8 gammaタンパク質・ペプチド : Complement component C8 gamma chain複合体 : C9タンパク質・ペプチド : Complement component C9 残り3件を表示 表示を減らすリガンド : 2-acetamido-2-deoxy-beta-D-glucopyranose 詳細機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
cell killing / Terminal pathway of complement / membrane attack complex / complement binding / other organism cell membrane / Activation of C3 and C5 / negative regulation of macrophage chemotaxis / complement activation, alternative pathway / complement activation / chemokine activity ... cell killing / Terminal pathway of complement / membrane attack complex / complement binding / other organism cell membrane / Activation of C3 and C5 / negative regulation of macrophage chemotaxis / complement activation, alternative pathway / complement activation / chemokine activity / retinol binding / endopeptidase inhibitor activity / positive regulation of vascular endothelial growth factor production / positive regulation of chemokine production / Peptide ligand-binding receptors / complement activation, classical pathway / Regulation of Complement cascade / protein homooligomerization / chemotaxis / positive regulation of immune response / extracellular vesicle / G alpha (i) signalling events / in utero embryonic development / killing of cells of another organism / cell surface receptor signaling pathway / blood microparticle / inflammatory response / immune response / G protein-coupled receptor signaling pathway / innate immune response / signaling receptor binding / protein-containing complex binding / extracellular space / extracellular exosome / extracellular region / membrane / plasma membrane 類似検索 - 分子機能 Kazal-type serine protease inhibitor domain / : / : / Kazal-type serine protease inhibitor domain / Complement component C7, FIM2 N-terminal / Complement component C7, Kazal domain / : / Complement component C6, KAZAL domain / Complement component C8 gamma chain / : ... Kazal-type serine protease inhibitor domain / : / : / Kazal-type serine protease inhibitor domain / Complement component C7, FIM2 N-terminal / Complement component C7, Kazal domain / : / Complement component C6, KAZAL domain / Complement component C8 gamma chain / : / Complement components C8A/B/C6, EGF-like domain / Membrane attack complex component/perforin/complement C9 / Alpha-1-microglobulin / Factor I / membrane attack complex / factor I membrane attack complex / Membrane attack complex component/perforin domain, conserved site / Membrane attack complex/perforin (MACPF) domain signature. / : / Complement component 5, CUB domain / membrane-attack complex / perforin / Membrane attack complex/perforin (MACPF) domain profile. / MAC/Perforin domain / Membrane attack complex component/perforin (MACPF) domain / Complement C3/4/5, macroglobulin domain MG1 / Macroglobulin domain MG1 / Anaphylatoxin, complement system domain / Anaphylatoxin domain signature. / Anaphylatoxin, complement system / Anaphylatoxin/fibulin / Anaphylotoxin-like domain / Anaphylatoxin domain profile. / Anaphylatoxin homologous domain / Netrin C-terminal Domain / Kazal domain / Netrin module, non-TIMP type / UNC-6/NTR/C345C module / Kazal domain profile. / Alpha-macroglobulin, receptor-binding / Alpha-macroglobulin, receptor-binding domain superfamily / Macroglobulin domain MG4 / Macroglobulin domain MG3 / A-macroglobulin receptor binding domain / Macroglobulin domain MG4 / Macroglobulin domain MG3 / A-macroglobulin receptor / Netrin domain / NTR domain profile. / Tissue inhibitor of metalloproteinases-like, OB-fold / Alpha-2-macroglobulin / Macroglobulin domain / Alpha-2-macroglobulin, bait region domain / Alpha-macroglobulin-like, TED domain / Alpha-2-macroglobulin family / MG2 domain / A-macroglobulin TED domain / Alpha-2-macroglobulin bait region domain / Alpha-2-Macroglobulin / Alpha-2-macroglobulin family / Thrombospondin type 1 domain / Low-density lipoprotein receptor domain class A / Low-density lipoprotein (LDL) receptor class A, conserved site / LDL-receptor class A (LDLRA) domain signature. / Thrombospondin type-1 (TSP1) repeat superfamily / Thrombospondin type-1 (TSP1) repeat profile. / Thrombospondin type 1 repeats / Thrombospondin type-1 (TSP1) repeat / LDL-receptor class A (LDLRA) domain profile. / Lipocalin family conserved site / Low-density lipoprotein receptor domain class A / Low-density lipoprotein (LDL) receptor class A repeat / Sushi repeat (SCR repeat) / Domain abundant in complement control proteins; SUSHI repeat; short complement-like repeat (SCR) / Sushi/SCR/CCP domain / Sushi/CCP/SCR domain profile. / Sushi/SCR/CCP superfamily / LDL receptor-like superfamily / Terpenoid cyclases/protein prenyltransferase alpha-alpha toroid / Lipocalin / cytosolic fatty-acid binding protein family / Lipocalin/cytosolic fatty-acid binding domain / Growth factor receptor cysteine-rich domain superfamily / EGF-like domain signature 2. / EGF-like domain signature 1. / Calycin / Lipocalin signature. / Immunoglobulin-like fold 類似検索 - ドメイン・相同性 Complement C5 / Complement component C9 / Complement component C8 alpha chain / Complement component C8 beta chain / Complement component C8 gamma chain / Complement component C7 / Complement component C6 類似検索 - 構成要素生物種 Homo sapiens (ヒト) / Human (ヒト)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 5.6 Å 詳細 データ登録者Menny A / Serna M / Boyd CM / Gardner S / Joseph AP / Topf M / Bubeck D 資金援助 英国, 2件 詳細 詳細を隠すOrganization Grant number 国 Cancer Research UK C26409/A16099 英国 Medical Research Council (United Kingdom) MR/M019292/1 英国
引用ジャーナル : Nat Commun / 年 : 2018タイトル : CryoEM reveals how the complement membrane attack complex ruptures lipid bilayers.著者 : Anaïs Menny / Marina Serna / Courtney M Boyd / Scott Gardner / Agnel Praveen Joseph / B Paul Morgan / Maya Topf / Nicholas J Brooks / Doryen Bubeck / 要旨 : The membrane attack complex (MAC) is one of the immune system's first responders. Complement proteins assemble on target membranes to form pores that lyse pathogens and impact tissue homeostasis of ... The membrane attack complex (MAC) is one of the immune system's first responders. Complement proteins assemble on target membranes to form pores that lyse pathogens and impact tissue homeostasis of self-cells. How MAC disrupts the membrane barrier remains unclear. Here we use electron cryo-microscopy and flicker spectroscopy to show that MAC interacts with lipid bilayers in two distinct ways. Whereas C6 and C7 associate with the outer leaflet and reduce the energy for membrane bending, C8 and C9 traverse the bilayer increasing membrane rigidity. CryoEM reconstructions reveal plasticity of the MAC pore and demonstrate how C5b6 acts as a platform, directing assembly of a giant β-barrel whose structure is supported by a glycan scaffold. Our work provides a structural basis for understanding how β-pore forming proteins breach the membrane and reveals a mechanism for how MAC kills pathogens and regulates cell functions. 履歴 登録 2018年7月6日 - ヘッダ(付随情報) 公開 2018年8月22日 - マップ公開 2018年12月19日 - 更新 2020年7月29日 - 現状 2020年7月29日 処理サイト : PDBe / 状態 : 公開
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