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Cytochrome c oxidase subunit I (CO1 or MT-CO1) is one of three mitochondrial DNA (mtDNA) encoded subunits (MT-CO1, MT-CO2, MT-CO3) of cytochrome c oxidase, also known as complex IV. Cytochrome c oxidase ( EC 1.9.3.1 ) is a key enzyme in aerobic metabolism.
The enzyme cytochrome c oxidase or Complex IV (was EC 1.9.3.1, now reclassified as a translocase EC 7.1.1.9) is a large transmembrane protein complex found in bacteria, archaea, and the mitochondria of eukaryotes.
COX4I1 is a nuclear-encoded isoform of cytochrome c oxidase (COX) subunit 4. Cytochrome c oxidase is a multi-subunit enzyme complex that couples the transfer of electrons from cytochrome c to molecular oxygen and contributes to a proton electrochemical gradient across the inner mitochondrial membrane, acting as the terminal enzyme of the ...
Cytochrome c oxidase assembly factor COX14 is a protein that in humans is encoded by the COX14 gene. This gene encodes a small single-pass transmembrane protein that localizes to mitochondria . This protein may play a role in coordinating the early steps of cytochrome c oxidase (COX; also known as complex IV) subunit assembly and, in particular ...
Cytochrome c oxidase (COX) is the terminal enzyme of the mitochondrial respiratory chain. It is a multi-subunit enzyme complex that couples the transfer of electrons from cytochrome c to molecular oxygen and contributes to a proton electrochemical gradient across the inner mitochondrial membrane to drive ATP synthesis via protonmotive force.
The NDUFA4 protein was first described to be a subunit of NADH dehydrogenase (ubiquinone), which is located in the mitochondrial inner membrane and is the largest of the five complexes of the electron transport chain. [5] However, recent research has described NDUFA4 as a subunit of cytochrome c oxidase. [6]
Cytochrome c oxidase subunit 8A (COX8A) is a protein that in humans is encoded by the COX8A gene. [5] Cytochrome c oxidase 8A is a subunit of the cytochrome c oxidase complex, also known as Complex IV. Mutations in the COX8A gene have been associated with complex IV deficiency with Leigh syndrome and epilepsy. [6]
Q-cytochrome c oxidoreductase is also known as cytochrome c reductase, cytochrome bc 1 complex, or simply complex III. [35] [36] In mammals, this enzyme is a dimer, with each subunit complex containing 11 protein subunits, an [2Fe-2S] iron–sulfur cluster and three cytochromes: one cytochrome c 1 and two b cytochromes. [37]