+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-6773 | |||||||||
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タイトル | Cryo-EM structure of human respiratory complex I | |||||||||
マップデータ | This map was obtained by sub-region refinement. | |||||||||
試料 |
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機能・相同性 | 機能・相同性情報 positive regulation of peptidase activity / protein insertion into mitochondrial inner membrane / response to light intensity / Complex I biogenesis / blastocyst hatching / ubiquinone-6 biosynthetic process / protein lipoylation / Mitochondrial Fatty Acid Beta-Oxidation / cellular response to oxygen levels / Respiratory electron transport ...positive regulation of peptidase activity / protein insertion into mitochondrial inner membrane / response to light intensity / Complex I biogenesis / blastocyst hatching / ubiquinone-6 biosynthetic process / protein lipoylation / Mitochondrial Fatty Acid Beta-Oxidation / cellular response to oxygen levels / Respiratory electron transport / iron-sulfur cluster assembly complex / mitochondrial large ribosomal subunit binding / respiratory gaseous exchange by respiratory system / Mitochondrial protein import / gliogenesis / neural precursor cell proliferation / [2Fe-2S] cluster assembly / mitochondrial respirasome / cardiac muscle tissue development / NADH dehydrogenase activity / Glyoxylate metabolism and glycine degradation / oxygen sensor activity / 細胞呼吸 / ubiquinone binding / cellular response to glucocorticoid stimulus / acyl binding / oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor / mitochondrial ribosome / electron transport coupled proton transport / iron-sulfur cluster assembly / mitochondrial ATP synthesis coupled electron transport / acyl carrier activity / azurophil granule membrane / mitochondrial translation / NADH:ユビキノン還元酵素 (水素イオン輸送型) / sodium ion transport / proton motive force-driven mitochondrial ATP synthesis / mitochondrial respiratory chain complex I / apoptotic mitochondrial changes / mitochondrial respiratory chain complex I assembly / mitochondrial electron transport, NADH to ubiquinone / positive regulation of cysteine-type endopeptidase activity involved in apoptotic process / RHOG GTPase cycle / NADH dehydrogenase (ubiquinone) activity / quinone binding / ATP synthesis coupled electron transport / cellular response to interferon-beta / negative regulation of intrinsic apoptotic signaling pathway / respirasome / 細胞呼吸 / ATP metabolic process / cellular response to retinoic acid / extrinsic apoptotic signaling pathway / response to cAMP / response to organonitrogen compound / ionotropic glutamate receptor binding / substantia nigra development / reactive oxygen species metabolic process / cerebellum development / respiratory electron transport chain / 神経発生 / response to cocaine / regulation of mitochondrial membrane potential / response to nicotine / synaptic membrane / fatty acid binding / apoptotic signaling pathway / ミトコンドリア / sensory perception of sound / regulation of protein phosphorylation / brain development / response to hydrogen peroxide / ミトコンドリア / 2 iron, 2 sulfur cluster binding / negative regulation of cell growth / 概日リズム / positive regulation of protein catabolic process / fatty acid biosynthetic process / NAD binding / positive regulation of fibroblast proliferation / FMN binding / nervous system development / 4 iron, 4 sulfur cluster binding / response to oxidative stress / response to ethanol / in utero embryonic development / ミトコンドリア内膜 / protease binding / electron transfer activity / response to hypoxia / nuclear body / ミトコンドリアマトリックス / structural constituent of ribosome / nuclear speck / neuronal cell body / negative regulation of DNA-templated transcription / calcium ion binding / ubiquitin protein ligase binding / Neutrophil degranulation / protein-containing complex binding 類似検索 - 分子機能 | |||||||||
生物種 | Homo sapiens (ヒト) | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.7 Å | |||||||||
データ登録者 | Gu J / Wu M / Yang M | |||||||||
引用 | ジャーナル: Cell / 年: 2017 タイトル: Architecture of Human Mitochondrial Respiratory Megacomplex IIIIIV. 著者: Runyu Guo / Shuai Zong / Meng Wu / Jinke Gu / Maojun Yang / 要旨: The respiratory megacomplex represents the highest-order assembly of respiratory chain complexes, and it allows mitochondria to respond to energy-requiring conditions. To understand its architecture, ...The respiratory megacomplex represents the highest-order assembly of respiratory chain complexes, and it allows mitochondria to respond to energy-requiring conditions. To understand its architecture, we examined the human respiratory chain megacomplex-IIIIIV (MCIIIIIV) with 140 subunits and a subset of associated cofactors using cryo-electron microscopy. The MCIIIIIV forms a circular structure with the dimeric CIII located in the center, where it is surrounded by two copies each of CI and CIV. Two cytochrome c (Cyt.c) molecules are positioned to accept electrons on the surface of the c state CIII dimer. Analyses indicate that CII could insert into the gaps between CI and CIV to form a closed ring, which we termed the electron transport chain supercomplex. The structure not only reveals the precise assignment of individual subunits of human CI and CIII, but also enables future in-depth analysis of the electron transport chain as a whole. | |||||||||
履歴 |
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-構造の表示
ムービー |
ムービービューア |
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構造ビューア | EMマップ: SurfViewMolmilJmol/JSmol |
添付画像 |
-ダウンロードとリンク
-EMDBアーカイブ
マップデータ | emd_6773.map.gz | 26.2 MB | EMDBマップデータ形式 | |
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ヘッダ (付随情報) | emd-6773-v30.xml emd-6773.xml | 14.3 KB 14.3 KB | 表示 表示 | EMDBヘッダ |
画像 | emd_6773.png | 23.7 KB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-6773 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-6773 | HTTPS FTP |
-関連構造データ
関連構造データ | 5xtdMC 6771C 6772C 6774C 6775C 6776C 5xtbC 5xtcC 5xteC 5xthC 5xtiC M: このマップから作成された原子モデル C: 同じ文献を引用 (文献) |
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類似構造データ |
-リンク
EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
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「今月の分子」の関連する項目 |
-マップ
ファイル | ダウンロード / ファイル: emd_6773.map.gz / 形式: CCP4 / 大きさ: 421.9 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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注釈 | This map was obtained by sub-region refinement. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.083 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
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-添付データ
-試料の構成要素
-全体 : Human respiratory complex I
全体 | 名称: Human respiratory complex INADH:ユビキノン還元酵素 (水素イオン輸送型) |
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要素 |
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-超分子 #1: Human respiratory complex I
超分子 | 名称: Human respiratory complex I / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#44 |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
分子量 | 実験値: 1.0 MDa |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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解析 | 単粒子再構成法 |
試料の集合状態 | particle |
-試料調製
緩衝液 | pH: 7.4 |
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凍結 | 凍結剤: ETHANE |
-電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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電子線 | 加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN |
電子光学系 | 照射モード: OTHER / 撮影モード: BRIGHT FIELDBright-field microscopy |
撮影 | フィルム・検出器のモデル: FEI FALCON II (4k x 4k) 平均電子線量: 1.25 e/Å2 |
実験機器 | モデル: Titan Krios / 画像提供: FEI Company |
-画像解析
CTF補正 | ソフトウェア - 名称: CTFFIND (ver. 3.0) |
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初期 角度割当 | タイプ: RANDOM ASSIGNMENT / ソフトウェア - 名称: RELION (ver. 1.4) |
最終 角度割当 | タイプ: RANDOM ASSIGNMENT / ソフトウェア - 名称: RELION (ver. 1.4) |
最終 再構成 | 想定した対称性 - 点群: C1 (非対称) / 解像度のタイプ: BY AUTHOR / 解像度: 3.7 Å / 解像度の算出法: FSC 0.143 CUT-OFF / ソフトウェア - 名称: RELION (ver. 1.4) / 使用した粒子像数: 167761 |