登録情報 データベース : PDB / ID : 6qc3 構造の表示 ダウンロードとリンクタイトル Ovine respiratory supercomplex I+III2 open class 1 要素(Cytochrome b-c1 complex subunit Rieske, ...) x 2 (NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit ...) x 7 (NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit ...) x 3 (NADH dehydrogenase [ubiquinone] flavoprotein ...) x 2 (NADH-ubiquinone oxidoreductase chain ...) x 7 (NADH:ubiquinone oxidoreductase core subunit ...) x 2 (NADH:ubiquinone oxidoreductase subunit ...) x 11 (NDUFA1) x 2 (Ubiquinol-cytochrome c reductase ...) x 2 Acyl carrier protein Cytochrome b Cytochrome b-c1 complex subunit 6 Cytochrome c1 MT-ND1 MT-ND5 NADH dehydrogenase [ubiquinone] 1 subunit C2 NDUFA13 NDUFB1 NDUFB11 NDUFB4 NDUFB6 NDUFV3 UQCRB UQCRC1 Ubiquinol-cytochrome c reductase, complex III subunit X 残り21件を表示 表示を減らす 詳細キーワード ELECTRON TRANSPORT / supercomplex / cellular respiration / mitochondria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
: / : / : / : / respiratory chain complex III / quinol-cytochrome-c reductase / quinol-cytochrome-c reductase activity / NADH dehydrogenase activity / mitochondrial electron transport, ubiquinol to cytochrome c / acyl binding ... : / : / : / : / respiratory chain complex III / quinol-cytochrome-c reductase / quinol-cytochrome-c reductase activity / NADH dehydrogenase activity / mitochondrial electron transport, ubiquinol to cytochrome c / acyl binding / ubiquinone binding / acyl carrier activity / electron transport coupled proton transport / NADH:ubiquinone reductase (H+-translocating) / apoptotic mitochondrial changes / mitochondrial respiratory chain complex I assembly / mitochondrial electron transport, NADH to ubiquinone / respiratory chain complex I / NADH dehydrogenase (ubiquinone) activity / membrane => GO:0016020 / ATP metabolic process / ATP synthesis coupled electron transport / regulation of mitochondrial membrane potential / reactive oxygen species metabolic process / respiratory electron transport chain / electron transport chain / circadian rhythm / metalloendopeptidase activity / mitochondrial intermembrane space / 2 iron, 2 sulfur cluster binding / NAD binding / FMN binding / 4 iron, 4 sulfur cluster binding / response to oxidative stress / electron transfer activity / mitochondrial inner membrane / mitochondrial matrix / heme binding / protein-containing complex binding / mitochondrion / proteolysis / nucleoplasm / metal ion binding 類似検索 - 分子機能 SLBB domain / Ubiquinol-cytochrome c reductase 8kDa, N-terminal / Ubiquinol-cytochrome c reductase 8 kDa, N-terminal / Globular protein, non-globular alpha/beta subunit / Cytochrome b-c1 complex, subunit 6 / Cytochrome b-c1 complex subunit 8 / UcrQ family / Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily / Cytochrome b-c1 complex subunit 8 superfamily / Cytochrome b-c1 complex subunit Rieske, transmembrane domain ... SLBB domain / Ubiquinol-cytochrome c reductase 8kDa, N-terminal / Ubiquinol-cytochrome c reductase 8 kDa, N-terminal / Globular protein, non-globular alpha/beta subunit / Cytochrome b-c1 complex, subunit 6 / Cytochrome b-c1 complex subunit 8 / UcrQ family / Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily / Cytochrome b-c1 complex subunit 8 superfamily / Cytochrome b-c1 complex subunit Rieske, transmembrane domain / Ubiquinol cytochrome reductase transmembrane region / Cytochrome b-c1 complex subunit 9 / Cytochrome b-c1 complex subunit 9 superfamily / Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like / Ubiquinol-cytochrome C reductase hinge domain / Ubiquinol-cytochrome C reductase hinge domain superfamily / Ubiquinol-cytochrome C reductase hinge protein / Cytochrome c1, transmembrane anchor, C-terminal / Cytochrome b / Ubiquinol-cytochrome c reductase, iron-sulphur subunit / NADH:ubiquinone oxidoreductase, ESSS subunit / ESSS subunit of NADH:ubiquinone oxidoreductase (complex I) / : / Cytochrome c1 / Cytochrome C1 family / : / Cytochrome b/b6, C-terminal / Cytochrome b(C-terminal)/b6/petD / Cytochrome b/b6 C-terminal region profile. / Peptidase M16, zinc-binding site / Insulinase family, zinc-binding region signature. / Cytochrome b/b6, C-terminal domain superfamily / Cytochrome b/b6/petB / Tim17/Tim22/Tim23/Pmp24 family / Rieske iron-sulphur protein, C-terminal / 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 / Cytochrome b/b6, N-terminal / Cytochrome b/b6-like domain superfamily / Cytochrome b/b6 N-terminal region profile. / 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 / Di-haem cytochrome, transmembrane / 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 / Rieske iron-sulphur protein / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8 / NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8) / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7 / 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 / Peptidase M16, C-terminal / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11 / Peptidase M16 inactive domain / Peptidase M16, N-terminal / Insulinase (Peptidase family M16) / NADH dehydrogenase subunit 5, C-terminal / NADH dehydrogenase subunit 5 C-terminus / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3 / NADH-ubiquinone oxidoreductase B12 subunit family / NADH:ubiquinone oxidoreductase, NDUFS5-15kDa / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7, NDUB7 / NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) / Metalloenzyme, LuxS/M16 peptidase-like / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9 / NDUFB9, LYR domain / NADH:ubiquinone oxidoreductase, iron-sulphur subunit 5 / NDUFA6, LYR domain / Deoxynucleoside kinase domain / Deoxynucleoside kinase / NADH dehydrogenase ubiquinone Fe-S protein 4-like superfamily / NADH dehydrogenase ubiquinone Fe-S protein 4 / NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 2 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5 / NADH dehydrogenase ubiquinone Fe-S protein 4, mitochondrial / ETC complex I subunit conserved region / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 / NADH ubiquinone oxidoreductase subunit NDUFA12 / NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 6 / NADH-quinone oxidoreductase, chain G, C-terminal / NADH-ubiquinone oxidoreductase subunit G, C-terminal / : / SLBB domain / NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 8 / : / NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJ 類似検索 - ドメイン・相同性 1,2-Distearoyl-sn-glycerophosphoethanolamine / CARDIOLIPIN / FE2/S2 (INORGANIC) CLUSTER / FLAVIN MONONUCLEOTIDE / HEME C / PROTOPORPHYRIN IX CONTAINING FE / Chem-NDP / 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE / IRON/SULFUR CLUSTER / Chem-ZMP ... 1,2-Distearoyl-sn-glycerophosphoethanolamine / CARDIOLIPIN / FE2/S2 (INORGANIC) CLUSTER / FLAVIN MONONUCLEOTIDE / HEME C / PROTOPORPHYRIN IX CONTAINING FE / Chem-NDP / 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE / IRON/SULFUR CLUSTER / Chem-ZMP / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 / Cytochrome b-c1 complex subunit 6 / 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 / Cytochrome b / 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 / Cytochrome b-c1 complex subunit Rieske, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7 / Complex III subunit 9 / NADH dehydrogenase [ubiquinone] 1 subunit C2 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11 / 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 / Cytochrome b-c1 complex subunit 8 / NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrial / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6 / cytochrome c1, heme protein, mitochondrial / Cytochrome b-c1 complex subunit 2, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3 / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 / NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 6 / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4 / NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 / NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5, mitochondrial 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 : 4.2 Å 詳細データ登録者 Letts, J.A. / Sazanov, L.A. 資金援助 オーストリア, 1件 詳細 詳細を隠す組織 認可番号 国 European Research Council 701309 オーストリア
引用ジャーナル : Mol Cell / 年 : 2019タイトル : Structures of Respiratory Supercomplex I+III Reveal Functional and Conformational Crosstalk.著者 : James A Letts / Karol Fiedorczuk / Gianluca Degliesposti / Mark Skehel / Leonid A Sazanov / 要旨 : The mitochondrial electron transport chain complexes are organized into supercomplexes (SCs) of defined stoichiometry, which have been proposed to regulate electron flux via substrate channeling. We ... The mitochondrial electron transport chain complexes are organized into supercomplexes (SCs) of defined stoichiometry, which have been proposed to regulate electron flux via substrate channeling. We demonstrate that CoQ trapping in the isolated SC I+III limits complex (C)I turnover, arguing against channeling. The SC structure, resolved at up to 3.8 Å in four distinct states, suggests that CoQ oxidation may be rate limiting because of unequal access of CoQ to the active sites of CIII. CI shows a transition between "closed" and "open" conformations, accompanied by the striking rotation of a key transmembrane helix. Furthermore, the state of CI affects the conformational flexibility within CIII, demonstrating crosstalk between the enzymes. CoQ was identified at only three of the four binding sites in CIII, suggesting that interaction with CI disrupts CIII symmetry in a functionally relevant manner. Together, these observations indicate a more nuanced functional role for the SCs. 履歴 登録 2018年12月26日 登録サイト : PDBE / 処理サイト : PDBE改定 1.0 2019年8月21日 Provider : repository / タイプ : Initial release改定 1.1 2019年9月18日 Group : Data collection / Database references / カテゴリ : citation / citation_authorItem : _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed ... _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID / _citation_author.name 改定 1.2 2019年10月2日 Group : Data collection / Database references / カテゴリ : citationItem : _citation.journal_volume / _citation.page_first / _citation.page_last改定 1.3 2019年12月18日 Group : Other / カテゴリ : atom_sitesItem : _atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][2] / _atom_sites.fract_transf_matrix[3][3]改定 1.4 2021年6月2日 Group : Derived calculations / カテゴリ : struct_conn / struct_conn_typeItem : _struct_conn.conn_type_id / _struct_conn.id ... _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn_type.id 改定 1.5 2024年10月23日 Group : Data collection / Database references ... Data collection / Database references / Derived calculations / Refinement description / Structure summary カテゴリ : chem_comp / chem_comp_atom ... chem_comp / chem_comp_atom / chem_comp_bond / database_2 / em_3d_fitting_list / em_admin / entity / pdbx_entity_nonpoly / pdbx_entry_details / pdbx_initial_refinement_model / pdbx_modification_feature Item : _chem_comp.name / _chem_comp.pdbx_synonyms ... _chem_comp.name / _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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 / _entity.pdbx_description / _pdbx_entity_nonpoly.name
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