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Coenzyme Q – cytochrome c reductase

Index Coenzyme Q – cytochrome c reductase

The coenzyme Q: cytochrome c – oxidoreductase, sometimes called the cytochrome bc1 complex, and at other times complex III, is the third complex in the electron transport chain, playing a critical role in biochemical generation of ATP (oxidative phosphorylation). [1]

64 relations: Anatomical terms of location, Antimycin A, Atovaquone, Azoxystrobin, Bacteria, BCS1L, Björnstad syndrome, Cellular respiration, Coenzyme Q10, Cofactor (biochemistry), Coordination complex, CYC1, Cytochrome, Cytochrome b, Cytochrome c, Cytochrome c oxidase, Cytochrome C1, Electrochemical gradient, Electron transport chain, Exercise intolerance, Ferredoxin, Free-radical theory of aging, GRACILE syndrome, Heme, Human, Human body weight, Hydrogen ion, Hydroperoxyl, Iron–sulfur cluster, List of enzymes, Mitochondrial DNA, Mitochondrion, MT-CYB, Myxothiazol, Oxidative phosphorylation, Oxidoreductase, Oxygen, Pfam, Photosynthetic reaction centre, Product (chemistry), Propylhexedrine, Protein, Protein subunit, Proton, Q cycle, QoI, Quinone, Reactive oxygen species, Rieske protein, Signal peptide, ..., Stigmatellin, Strobilurin, Substrate (chemistry), Superoxide, Ubiquinol, UCRC, UniProt, UQCR11, UQCRB, UQCRC1, UQCRC2, UQCRFS1, UQCRH, UQCRQ. Expand index (14 more) »

Anatomical terms of location

Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans.

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Antimycin A

Antimycins are a group of secondary metabolites produced by Streptomyces bacteria.

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Atovaquone

Atovaquone (alternative spelling: atavaquone) is a chemical compound that belongs to the class of naphthoquinones.

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Azoxystrobin

Azoxystrobin (brand name Amistar, Syngenta) is a systemic fungicide commonly used in agriculture.

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Bacteria

Bacteria (common noun bacteria, singular bacterium) is a type of biological cell.

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BCS1L

Mitochondrial chaperone BCS1 is a protein that in humans is encoded by the BCS1L gene.

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Björnstad syndrome

Björnstad syndrome is an autosomal recessive congenital condition involving pili torti and nerve deafness and hair abnormalities.

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Cellular respiration

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.

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Coenzyme Q10

Coenzyme Q10, also known as ubiquinone, ubidecarenone, coenzyme Q, and abbreviated at times to CoQ10, CoQ, or Q10 is a coenzyme that is ubiquitous in animals and most bacteria (hence the name ubiquinone).

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Cofactor (biochemistry)

A cofactor is a non-protein chemical compound or metallic ion that is required for an enzyme's activity.

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Coordination complex

In chemistry, a coordination complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.

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CYC1

Cytochrome c1, heme protein, mitochondrial is a protein that in humans is encoded by the CYC1 gene.

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Cytochrome

Cytochromes are heme-containing proteins.

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Cytochrome b

Cytochrome b is a protein found in the mitochondria of eukaryotic cells.

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Cytochrome c

The cytochrome complex, or cyt c is a small hemeprotein found loosely associated with the inner membrane of the mitochondrion.

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Cytochrome c oxidase

The enzyme cytochrome c oxidase or Complex IV, is a large transmembrane protein complex found in bacteria, archaea, and in eukaryotes in their mitochondria.

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Cytochrome C1

Cytochrome C1 (also known as Complex III subunit 4) is a protein encoded by the CYC1 gene.

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Electrochemical gradient

An electrochemical gradient is a gradient of electrochemical potential, usually for an ion that can move across a membrane.

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Electron transport chain

An electron transport chain (ETC) is a series of complexes that transfer electrons from electron donors to electron acceptors via redox (both reduction and oxidation occurring simultaneously) reactions, and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.

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Exercise intolerance

Exercise intolerance is a condition of inability or decreased ability to perform physical exercise at what would be considered to be the normally expected level or duration.

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Ferredoxin

Ferredoxins (from Latin ferrum: iron + redox, often abbreviated "fd") are iron-sulfur proteins that mediate electron transfer in a range of metabolic reactions.

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Free-radical theory of aging

The free radical theory of aging (FRTA) states that organisms age because cells accumulate free radical damage over time.

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GRACILE syndrome

GRACILE syndrome is a very rare autosomal recessive genetic disorder, one of the Finnish heritage diseases.

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Heme

Heme or haem is a coordination complex "consisting of an iron ion coordinated to a porphyrin acting as a tetradentate ligand, and to one or two axial ligands." The definition is loose, and many depictions omit the axial ligands.

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Human

Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.

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Human body weight

Human body weight refers to a person's mass or weight.

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Hydrogen ion

A hydrogen ion is created when a hydrogen atom loses or gains an electron.

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Hydroperoxyl

The hydroperoxyl radical, also known as the perhydroxyl radical, is the protonated form of superoxide with the chemical formula HO2.

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Iron–sulfur cluster

Iron–sulfur clusters are molecular ensembles of iron and sulfide.

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List of enzymes

This page lists enzymes by their classification in the International Union of Biochemistry and Molecular Biology's Enzyme Commission numbering system.

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Mitochondrial DNA

Mitochondrial DNA (mtDNA or mDNA) is the DNA located in mitochondria, cellular organelles within eukaryotic cells that convert chemical energy from food into a form that cells can use, adenosine triphosphate (ATP).

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Mitochondrion

The mitochondrion (plural mitochondria) is a double-membrane-bound organelle found in most eukaryotic organisms.

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MT-CYB

Cytochrome b is a protein that in humans is encoded by the MT-CYB gene.

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Myxothiazol

Myxothiazol (produced by the myxobacterium Myxococcus fulvus) is an inhibitor of the mitochondrial cytochrome bc1 complex (coenzyme Q - cytochrome c reductase).

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Oxidative phosphorylation

Oxidative phosphorylation (or OXPHOS in short) (UK, US) is the metabolic pathway in which cells use enzymes to oxidize nutrients, thereby releasing energy which is used to produce adenosine triphosphate (ATP).

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Oxidoreductase

In biochemistry, an oxidoreductase is an enzyme that catalyzes the transfer of electrons from one molecule, the reductant, also called the electron donor, to another, the oxidant, also called the electron acceptor.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Pfam

Pfam is a database of protein families that includes their annotations and multiple sequence alignments generated using hidden Markov models.

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Photosynthetic reaction centre

A photosynthetic reaction centre is a complex of several proteins, pigments and other co-factors that together execute the primary energy conversion reactions of photosynthesis.

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Product (chemistry)

Products are the species formed from chemical reactions.

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Propylhexedrine

Propylhexedrine, sold under the brand names Benzedrex and Obesin among others, is a nasal decongestant, appetite suppressant, and psychostimulant medication.

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Protein

Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

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Protein subunit

In structural biology, a protein subunit is a single protein molecule that assembles (or "coassembles") with other protein molecules to form a protein complex.

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Proton

| magnetic_moment.

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Q cycle

The Q cycle (named for CoQ10) describes a series of reactions that describe how the sequential oxidation and reduction of the lipophilic electron carrier, Coenzyme Q10 (CoQ10), between the ubiquinol and ubiquinone forms, can result in the net movement of protons across a lipid bilayer (in the case of the mitochondria, the inner mitochondrial membrane).

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QoI

Qo inhibitors (QoI), or quinone outside inhibitors, are a group of fungicides used in agriculture.

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Quinone

The quinones are a class of organic compounds that are formally "derived from aromatic compounds by conversion of an even number of –CH.

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Reactive oxygen species

Reactive oxygen species (ROS) are chemically reactive chemical species containing oxygen.

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Rieske protein

Rieske proteins are iron-sulfur protein (ISP) components of cytochrome ''bc''1 complexes and cytochrome b6f complexes and responsible for electron transfer in some biological systems.

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Signal peptide

A signal peptide (sometimes referred to as signal sequence, targeting signal, localization signal, localization sequence, transit peptide, leader sequence or leader peptide) is a short peptide (usually 16-30 amino acids long) present at the N-terminus of the majority of newly synthesized proteins that are destined towards the secretory pathway.

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Stigmatellin

Stigmatellin is a potent inhibitor of the quinol oxidation (Qo) site of the cytochrome bc1 complex in mitochondria and the cytochrome b6f complex of thylakoid membranes.

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Strobilurin

Strobilurins are a group of chemical compounds used in agriculture as fungicides.

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Substrate (chemistry)

In chemistry, a substrate is typically the chemical species being observed in a chemical reaction, which reacts with a reagent to generate a product.

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Superoxide

A superoxide is a compound that contains the superoxide anion, which has the chemical formula.

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Ubiquinol

Ubiquinol is an electron-rich (reduced) form of coenzyme Q10.

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UCRC

Ubiquinol-cytochrome c reductase complex (7.2 kD), also known as UCRC or UQCR10, is a human gene.

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UniProt

UniProt is a freely accessible database of protein sequence and functional information, many entries being derived from genome sequencing projects.

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UQCR11

UQCR11 (ubiquinol-cytochrome c reductase, complex III subunit XI) is a protein that in humans is encoded by the UQCR11 gene.

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UQCRB

Ubiquinol-cytochrome c reductase binding protein, also known as UQCRB, is a protein which in humans is encoded by the UQCRB gene.

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UQCRC1

Cytochrome b-c1 complex subunit 1, mitochondrial is a protein that in humans is encoded by the UQCRC1 gene.

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UQCRC2

Cytochrome b-c1 complex subunit 2, mitochondrial is a protein that in humans is encoded by the UQCRC2 gene.

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UQCRFS1

Ubiquinol-cytochrome c reductase, Rieske iron-sulfur polypeptide 1, also known as UQCRFS1, is a protein which in humans is encoded by the UQCRFS1 gene.

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UQCRH

Cytochrome b-c1 complex subunit 6, mitochondrial is a protein that in humans is encoded by the UQCRH gene.

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UQCRQ

Ubiquinol-cytochrome c reductase, complex III subunit VII, 9.5kDa is a protein that in humans is encoded by the UQCRQ gene.

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Redirects here:

Bc1 complex, Coenzyme Q - cytochrome c reductase, Complex 3, Complex III, Cytochrome bc1, Cytochrome bc1 complex, EC 1.10.2.2, Mitochondrial complex III, Q-cytochrome c oxidoreductase, Ubiquinol--cytochrome-c reductase, Ubiquinol-cytochrome-c reductase, Ubiquinol:ferricytochrome-c oxidoreductase, Ubiquinol—cytochrome-c reductase.

References

[1] https://en.wikipedia.org/wiki/Coenzyme_Q_–_cytochrome_c_reductase

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