Respiratory chain / supercomplex / bc1 complex / cytochrome c oxidase / ELECTRON TRANSPORT
Function / homology
Function and homology information
Complex III assembly / : / matrix side of mitochondrial inner membrane / protein processing involved in protein targeting to mitochondrion / mitochondrial cytochrome c oxidase assembly / Respiratory electron transport / mitochondrial respirasome assembly / Mitochondrial protein degradation / mitochondrial respiratory chain complex III assembly / respiratory chain complex IV ...Complex III assembly / : / matrix side of mitochondrial inner membrane / protein processing involved in protein targeting to mitochondrion / mitochondrial cytochrome c oxidase assembly / Respiratory electron transport / mitochondrial respirasome assembly / Mitochondrial protein degradation / mitochondrial respiratory chain complex III assembly / respiratory chain complex IV / cellular respiration / cytochrome-c oxidase / respiratory chain complex III / quinol-cytochrome-c reductase / mitochondrial electron transport, cytochrome c to oxygen / quinol-cytochrome-c reductase activity / cytochrome-c oxidase activity / mitochondrial electron transport, ubiquinol to cytochrome c / mitochondrial crista / ubiquinone binding / ATP synthesis coupled electron transport / enzyme regulator activity / proton transmembrane transport / nuclear periphery / aerobic respiration / respiratory electron transport chain / mitochondrial membrane / metalloendopeptidase activity / mitochondrial intermembrane space / 2 iron, 2 sulfur cluster binding / electron transfer activity / mitochondrial inner membrane / oxidoreductase activity / copper ion binding / heme binding / mitochondrion / proteolysis / zinc ion binding / metal ion binding / membrane / cytosol Similarity search - Function
: / Cytochrome c oxidase subunit VII, budding yeast / Cytochrome c oxidase, subunit VIIa, fungal / Cytochrome b-c1 complex subunit 10, fungi / Ubiquinol-cytochrome-c reductase complex subunit (QCR10) / Cytochrome c oxidase, subunit VIa, conserved site / Cytochrome c oxidase subunit VIa signature. / Cytochrome c oxidase, subunit VIa / Cytochrome c oxidase, subunit VIa superfamily / Cytochrome c oxidase subunit VIa ...: / Cytochrome c oxidase subunit VII, budding yeast / Cytochrome c oxidase, subunit VIIa, fungal / Cytochrome b-c1 complex subunit 10, fungi / Ubiquinol-cytochrome-c reductase complex subunit (QCR10) / Cytochrome c oxidase, subunit VIa, conserved site / Cytochrome c oxidase subunit VIa signature. / Cytochrome c oxidase, subunit VIa / Cytochrome c oxidase, subunit VIa superfamily / Cytochrome c oxidase subunit VIa / Cytochrome c oxidase, subunit VIb / : / Cytochrome c oxidase subunit Vb, zinc binding region signature. / Cytochrome c oxidase subunit VIIc / Cytochrome c oxidase subunit IV family / Cytochrome c oxidase, subunit VIb superfamily / Cytochrome c oxidase subunit VIIc superfamily / Cytochrome c oxidase subunit IV superfamily / Cytochrome c oxidase subunit VIIc / Cytochrome c oxidase subunit IV / Cytochrome c oxidase subunit 2, C-terminal / Cytochrome oxidase c subunit VIb / Cytochrome c oxidase, subunit Va/VI / Cytochrome c oxidase, subunit Va/VI superfamily / Cytochrome c oxidase subunit Va / Cytochrome c oxidase subunit VII / Cytochrome c oxidase subunit VII / Cytochrome c oxidase, subunit Vb / Cytochrome c oxidase subunit III domain / Cytochrome c oxidase subunit Vb / Cytochrome c oxidase subunit Vb, zinc binding domain profile. / Cytochrome c oxidase, subunit II / Cytochrome c oxidase, subunit Vb superfamily / Cytochrome c oxidase subunit I domain / Cytochrome C oxidase subunit II, transmembrane domain / Cytochrome b-c1 complex subunit 8 / UcrQ family / Cytochrome C oxidase subunit II, transmembrane domain / Cytochrome oxidase subunit II transmembrane region profile. / Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamily / Cytochrome c oxidase subunit III / Cytochrome c oxidase subunit III-like / Cytochrome c oxidase, subunit III, 4-helical bundle / Cytochrome c oxidase subunit III / Heme-copper oxidase subunit III family profile. / Cytochrome c oxidase subunit III-like superfamily / Cytochrome b-c1 complex subunit 7 / Cytochrome b-c1 complex subunit 7 superfamily / Ubiquinol-cytochrome C reductase complex 14kD subunit / Cytochrome b-c1 complex subunit 8 superfamily / Cytochrome b-c1 complex subunit Rieske, transmembrane domain / Ubiquinol cytochrome reductase transmembrane region / Ubiquinol-cytochrome C reductase hinge domain / Ubiquinol-cytochrome C reductase hinge domain superfamily / Cytochrome c/quinol oxidase subunit II / Ubiquinol-cytochrome C reductase hinge protein / Cytochrome b-c1 complex subunit 9 / Cytochrome b-c1 complex subunit 9 superfamily / Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like / Cytochrome c1, transmembrane anchor, C-terminal / : / Cytochrome b / Copper centre Cu(A) / CO II and nitrous oxide reductase dinuclear copper centers signature. / Cytochrome C oxidase subunit II, transmembrane domain superfamily / Ubiquinol-cytochrome c reductase, iron-sulphur subunit / : / Cytochrome c1 / Cytochrome C1 family / Cytochrome c oxidase, subunit I, copper-binding site / Heme-copper oxidase catalytic subunit, copper B binding region signature. / Cytochrome c oxidase-like, subunit I domain / Cytochrome oxidase subunit I profile. / : / 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 C oxidase subunit II, periplasmic domain / Cytochrome c oxidase subunit I / Cytochrome c oxidase-like, subunit I superfamily / Cytochrome C and Quinol oxidase polypeptide I / Cytochrome b/b6, C-terminal domain superfamily / Cytochrome b/b6/petB / Cytochrome c oxidase subunit II-like C-terminal / Cytochrome oxidase subunit II copper A binding domain profile. / Rieske iron-sulphur protein, C-terminal / Cytochrome b/b6, N-terminal / Cytochrome b/b6-like domain superfamily / Cytochrome b/b6 N-terminal region profile. / Di-haem cytochrome, transmembrane / Rieske iron-sulphur protein / Peptidase M16, C-terminal / Peptidase M16 inactive domain / Peptidase M16, N-terminal / Insulinase (Peptidase family M16) / Metalloenzyme, LuxS/M16 peptidase-like / Rieske [2Fe-2S] domain / Rieske [2Fe-2S] iron-sulphur domain Similarity search - Domain/homology
Journal: Nat Struct Mol Biol / Year: 2019 Title: Cryo-EM structure of the yeast respiratory supercomplex. Authors: Sorbhi Rathore / Jens Berndtsson / Lorena Marin-Buera / Julian Conrad / Marta Carroni / Peter Brzezinski / Martin Ott / Abstract: Respiratory chain complexes execute energy conversion by connecting electron transport with proton translocation over the inner mitochondrial membrane to fuel ATP synthesis. Notably, these complexes ...Respiratory chain complexes execute energy conversion by connecting electron transport with proton translocation over the inner mitochondrial membrane to fuel ATP synthesis. Notably, these complexes form multi-enzyme assemblies known as respiratory supercomplexes. Here we used single-particle cryo-EM to determine the structures of the yeast mitochondrial respiratory supercomplexes IIIIV and IIIIV, at 3.2-Å and 3.5-Å resolutions, respectively. We revealed the overall architecture of the supercomplex, which deviates from the previously determined assemblies in mammals; obtained a near-atomic structure of the yeast complex IV; and identified the protein-protein and protein-lipid interactions implicated in supercomplex formation. Take together, our results demonstrate convergent evolution of supercomplexes in mitochondria that, while building similar assemblies, results in substantially different arrangements and structural solutions to support energy conversion.
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