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Cytochrome c is a highly conserved protein across the spectrum of eukaryotic species, found in plants, animals, fungi, and many unicellular organisms. This, along with its small size (molecular weight about 12,000 daltons), [7] makes it useful in studies of cladistics. [8] Cytochrome c has been studied for the glimpse it gives into evolutionary ...
The heme group in class II cytochrome c proteins is attached to a C-terminal binding motif. The structural fold of class II c-type cytochromes contains a four α-helix bundle with the covalently attached heme group at its core. [12] Representatives of class II are the high-spin cytochrome c' and a number of low-spin cytochromes c, e.g. cyt c 556.
Complex III itself is composed of several subunits, one of which is a b-type cytochrome while another one is a c-type cytochrome. Both domains are involved in electron transfer within the complex. Complex IV contains a cytochrome a/a3-domain that transfers electrons and catalyzes the reaction of oxygen to water.
12868 Ensembl ENSG00000176340 ENSMUSG00000035885 UniProt P10176 Q64445 RefSeq (mRNA) NM_004074 NM_007750 RefSeq (protein) NP_004065 NP_031776 Location (UCSC) Chr 11: 63.97 – 63.98 Mb Chr 19: 7.19 – 7.19 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Cytochrome c oxidase subunit 8A (COX8A) is a protein that in humans is encoded by the COX8A gene. Cytochrome c oxidase 8A is a ...
Cytochrome c oxidase assembly factor 6 is a protein that in humans is encoded by the COA6 gene. [5] Mitochondrial respiratory chain Complex IV, or cytochrome c oxidase, is the component of the respiratory chain that catalyzes the transfer of electrons from intermembrane space cytochrome c to molecular oxygen in the matrix and as a consequence contributes to the proton gradient involved in ...
Cytochrome c oxidase subunit 7A-related protein, mitochondrial is an enzyme that in humans is encoded by the COX7A2L gene. [ 5 ] [ 6 ] Cytochrome c oxidase (COX), the terminal component of the mitochondrial respiratory chain, catalyzes the electron transfer from reduced cytochrome c to oxygen.
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]
CYC1 encodes a protein that is located in the inner mitochondrial membrane and is part of Ubiquinol Cytochrome c Reductase (complex III).The encoded protein, CYC1, is a respiratory subunit of the cytochrome bc1 complex, which plays an important role in the mitochondrial respiratory chain by transferring electrons from the Rieske iron-sulfur protein to cytochrome c.