登録情報 データベース : PDB / ID : 7zdh 構造の表示 ダウンロードとリンクタイトル Complex I from Ovis aries at pH7.4, Closed state 要素(Mitochondrial complex I, ...) x 3 (NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit ...) x 7 (NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit ...) x 9 (NADH dehydrogenase [ubiquinone] 1 subunit ...) x 2 (NADH dehydrogenase [ubiquinone] flavoprotein ...) x 3 (NADH dehydrogenase [ubiquinone] iron-sulfur protein ...) x 6 (NADH-ubiquinone oxidoreductase chain ...) x 7 (NADH:ubiquinone oxidoreductase subunit ...) x 3 Acyl carrier protein Complex I-23kD Complex I-MWFE NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial 残り8件を表示 表示を減らす 詳細キーワード PROTON TRANSPORT / Complex I / respiration / NADH / proton pump / mitochondria / iron-sulphur cluster / oxidoreductase / membrane protein / Quinone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
myoblast migration involved in skeletal muscle regeneration / negative regulation of skeletal muscle satellite cell proliferation / : / : / positive regulation of macrophage chemotaxis / NADH:ubiquinone reductase (H+-translocating) / apoptotic mitochondrial changes / ubiquinone binding / mitochondrial ATP synthesis coupled electron transport / electron transport coupled proton transport ... myoblast migration involved in skeletal muscle regeneration / negative regulation of skeletal muscle satellite cell proliferation / : / : / positive regulation of macrophage chemotaxis / NADH:ubiquinone reductase (H+-translocating) / apoptotic mitochondrial changes / ubiquinone binding / mitochondrial ATP synthesis coupled electron transport / electron transport coupled proton transport / mitochondrial electron transport, NADH to ubiquinone / acyl binding / mitochondrial respiratory chain complex I assembly / NADH dehydrogenase activity / oxidoreductase activity, acting on NAD(P)H / membrane => GO:0016020 / respiratory chain complex I / NADH dehydrogenase (ubiquinone) activity / positive regulation of myoblast differentiation / acyl carrier activity / quinone binding / ATP synthesis coupled electron transport / ATP metabolic process / positive regulation of lamellipodium assembly / reactive oxygen species metabolic process / regulation of mitochondrial membrane potential / respiratory electron transport chain / transcription coregulator activity / electron transport chain / circadian rhythm / mitochondrial intermembrane space / 2 iron, 2 sulfur cluster binding / mitochondrial membrane / NAD binding / FMN binding / 4 iron, 4 sulfur cluster binding / response to oxidative stress / mitochondrial inner membrane / mitochondrial matrix / chromatin / protein-containing complex binding / positive regulation of transcription by RNA polymerase II / mitochondrion / membrane / metal ion binding / nucleus 類似検索 - 分子機能 Akirin / atu1810 like domain / NADH-quinone oxidoreductase subunit E / NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJ / Rossmann fold - #12280 / NADH:ubiquinone/plastoquinone oxidoreductase, chain 3 / NADH-ubiquinone oxidoreductase 51kDa subunit / NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain / Ubiquitin-like (UB roll) - #600 / de novo design (two linked rop proteins) ... Akirin / atu1810 like domain / NADH-quinone oxidoreductase subunit E / NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJ / Rossmann fold - #12280 / NADH:ubiquinone/plastoquinone oxidoreductase, chain 3 / NADH-ubiquinone oxidoreductase 51kDa subunit / NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain / Ubiquitin-like (UB roll) - #600 / de novo design (two linked rop proteins) / NADH-ubiquinone oxidoreductase 1 subunit C1 / NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial / NADH:ubiquinone oxidoreductase, ESSS subunit / ESSS subunit of NADH:ubiquinone oxidoreductase (complex I) / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1, NDUB1 / MNLL subunit / NADH-ubiquinone oxidoreductase flavoprotein 3 / NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial / NADH-ubiquinone oxidoreductase, subunit 10 / NADH-ubiquinone oxidoreductase subunit 10 / NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10 / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, metazoa / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, animal type / NADH dehydrogenase 1 beta subcomplex subunit 2 / NADH dehydrogenase [ubiquinone] 1 subunit C2, NDUC2 / NADH:ubiquinone oxidoreductase, subunit NDUFB4 / NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) / NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial / NADH dehydrogenase 1, beta subcomplex, subunit 6 / NADH:ubiquinone oxidoreductase, NDUFB6/B17 subunit / NADH:ubiquinone oxidoreductase chain 4, N-terminal / NADH:ubiquinone oxidoreductase, chain 2 / NADH dehydrogenase subunit 2, C-terminal / NADH:ubiquinone oxidoreductase, NDUFB5/SGDH subunit / : / : / NADH-ubiquinone oxidoreductase chain 4, amino terminus / NADH dehydrogenase subunit 2 C-terminus / NADH:ubiquinone oxidoreductase, NDUFB5/SGDH subunit / NADH-ubiquinone oxidoreductase MWFE subunit / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7 / NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex subunit 1 / NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a) / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3 / NADH dehydrogenase 1 alpha subcomplex subunit 3 / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8 / NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8) / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11 / Zinc finger, CHCC-type / Zinc-finger domain / NADH dehydrogenase subunit 5, C-terminal / NADH dehydrogenase subunit 5 C-terminus / NADH:ubiquinone oxidoreductase, NDUFS5-15kDa / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3 / NADH-ubiquinone oxidoreductase B12 subunit family / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7, NDUB7 / NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) / NADH:ubiquinone oxidoreductase, iron-sulphur subunit 5 / GRIM-19 / GRIM-19 protein / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9 / NDUFB9, LYR domain / Deoxynucleoside kinase domain / Deoxynucleoside kinase / NDUFA6, LYR domain / NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 2 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5 / ETC complex I subunit conserved region / NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 6 / NADH dehydrogenase ubiquinone Fe-S protein 4-like superfamily / NADH dehydrogenase ubiquinone Fe-S protein 4 / NADH dehydrogenase ubiquinone Fe-S protein 4, mitochondrial / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 / NADH ubiquinone oxidoreductase subunit NDUFA12 / NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 8 / : / NADH-quinone oxidoreductase, chain G, C-terminal / NADH-ubiquinone oxidoreductase subunit G, C-terminal / : / SLBB domain / Respiratory-chain NADH dehydrogenase 20 Kd subunit signature. / NADH-ubiquinone oxidoreductase, 20 Kd subunit / NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJ / NADH-quinone oxidoreductase, chain I / NADH-plastoquinone oxidoreductase, chain 5 subgroup / NADH-ubiquinone oxidoreductase chain 4L/K / NADH-quinone oxidoreductase, chain M/4 / NADH:ubiquinone/plastoquinone oxidoreductase, chain 6 / NADH-ubiquinone/plastoquinone oxidoreductase chain 6 / NADH-ubiquinone oxidoreductase chain 4L/Mnh complex subunit C1-like / NADH-ubiquinone/plastoquinone oxidoreductase chain 4L / NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminal / NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus / NAD(P)H-quinone oxidoreductase subunit D/H / NADH-quinone oxidoreductase, chain 5-like / NADH:ubiquinone oxidoreductase, 49kDa subunit, conserved site / Respiratory chain NADH dehydrogenase 49 Kd subunit signature. / NADH:ubiquinone oxidoreductase, subunit G 類似検索 - ドメイン・相同性 1,2-Distearoyl-sn-glycerophosphoethanolamine / ADENOSINE MONOPHOSPHATE / FE2/S2 (INORGANIC) CLUSTER / FLAVIN MONONUCLEOTIDE / : / MYRISTIC ACID / 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE / Chem-NDP / 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE / IRON/SULFUR CLUSTER ... 1,2-Distearoyl-sn-glycerophosphoethanolamine / ADENOSINE MONOPHOSPHATE / FE2/S2 (INORGANIC) CLUSTER / FLAVIN MONONUCLEOTIDE / : / MYRISTIC ACID / 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE / Chem-NDP / 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE / IRON/SULFUR CLUSTER / Chem-ZMP / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 6 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, mitochondrial / NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10 / NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial / NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial / NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial / NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial / NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 1 / Complex I-15 kDa / NADH-ubiquinone oxidoreductase chain 1 / NADH-ubiquinone oxidoreductase chain 2 / NADH-ubiquinone oxidoreductase chain 3 / NADH-ubiquinone oxidoreductase chain 4L / NADH-ubiquinone oxidoreductase chain 4 / NADH-ubiquinone oxidoreductase chain 5 / NADH-ubiquinone oxidoreductase chain 6 / Acyl carrier protein / NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7 / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7 / NADH dehydrogenase [ubiquinone] 1 subunit C2 / NADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrial / NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 9, mitochondrial / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5 / NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6 / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial / NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4 類似検索 - 構成要素生物種 Ovis aries (ヒツジ)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 : 3.46 Å 詳細データ登録者 Sazanov, L. / Petrova, O. 資金援助 European Union, 1件 詳細 詳細を隠す組織 認可番号 国 European Research Council (ERC) 101020697 European Union
引用ジャーナル : Nature / 年 : 2022タイトル : A universal coupling mechanism of respiratory complex I.著者 : Vladyslav Kravchuk / Olga Petrova / Domen Kampjut / Anna Wojciechowska-Bason / Zara Breese / Leonid Sazanov / 要旨 : Complex I is the first enzyme in the respiratory chain, which is responsible for energy production in mitochondria and bacteria. Complex I couples the transfer of two electrons from NADH to quinone ... Complex I is the first enzyme in the respiratory chain, which is responsible for energy production in mitochondria and bacteria. Complex I couples the transfer of two electrons from NADH to quinone and the translocation of four protons across the membrane, but the coupling mechanism remains contentious. Here we present cryo-electron microscopy structures of Escherichia coli complex I (EcCI) in different redox states, including catalytic turnover. EcCI exists mostly in the open state, in which the quinone cavity is exposed to the cytosol, allowing access for water molecules, which enable quinone movements. Unlike the mammalian paralogues, EcCI can convert to the closed state only during turnover, showing that closed and open states are genuine turnover intermediates. The open-to-closed transition results in the tightly engulfed quinone cavity being connected to the central axis of the membrane arm, a source of substrate protons. Consistently, the proportion of the closed state increases with increasing pH. We propose a detailed but straightforward and robust mechanism comprising a 'domino effect' series of proton transfers and electrostatic interactions: the forward wave ('dominoes stacking') primes the pump, and the reverse wave ('dominoes falling') results in the ejection of all pumped protons from the distal subunit NuoL. This mechanism explains why protons exit exclusively from the NuoL subunit and is supported by our mutagenesis data. We contend that this is a universal coupling mechanism of complex I and related enzymes. 履歴 登録 2022年3月29日 登録サイト : PDBE / 処理サイト : PDBE改定 1.0 2022年9月21日 Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : EM metadata / Data content type : EM metadata / Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : FSC / Data content type : FSC / Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : Image / Data content type : Image / Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : Primary map / Data content type : Primary map / Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : FSC / Data content type : FSC / Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : Image / Data content type : Image / Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : Primary map / Data content type : Primary map / Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : FSC / Data content type : FSC / Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : Image / Data content type : Image / Provider : repository / タイプ : Initial release改定 1.0 2022年9月21日 Data content type : Primary map / Data content type : Primary map / Provider : repository / タイプ : Initial release改定 1.1 2022年9月28日 Group : Database references / カテゴリ : citation / Item : _citation.pdbx_database_id_PubMed / _citation.title改定 1.2 2022年10月5日 Group : Database references / カテゴリ : citationItem : _citation.journal_volume / _citation.page_first / _citation.page_last改定 1.3 2026年3月4日 Group : Data collection / Refinement description / Structure summaryカテゴリ : chem_comp_atom / chem_comp_bond ... chem_comp_atom / chem_comp_bond / em_3d_fitting_list / em_admin / pdbx_entry_details / pdbx_initial_refinement_model / pdbx_modification_feature Item : _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id ... _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id / _em_3d_fitting_list.source_name / _em_3d_fitting_list.type / _em_admin.last_update / _pdbx_entry_details.has_protein_modification 改定 1.1 2026年3月4日 Data content type : EM metadata / Data content type : EM metadata / EM metadata / EM metadataGroup : Data processing / Experimental summary / Refinement descriptionData content type : EM metadata / EM metadata / EM metadataカテゴリ : em_3d_fitting_list / em_admin / pdbx_initial_refinement_modelData content type : EM metadata / EM metadata ... EM metadata / EM metadata / EM metadata / EM metadata / EM metadata Item : _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id ... _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id / _em_3d_fitting_list.source_name / _em_3d_fitting_list.type / _em_admin.last_update
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