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Cytochrome b is a protein found in the membranes of aerobic cells. In eukaryotic mitochondria (inner membrane) and in aerobic prokaryotes, cytochrome b is a component of respiratory chain complex III (EC 1.10.2.2) — also known as the bc1 complex or ubiquinol-cytochrome c reductase.
Location of the MT-CYB gene in the human mitochondrial genome (coral box).. Cytochrome b is a protein that in humans is encoded by the MT-CYB gene. [5] Its gene product is a subunit of the respiratory chain protein ubiquinol–cytochrome c reductase (UQCR, complex III or cytochrome bc 1 complex), which consists of the products of one mitochondrially encoded gene, MT-CYB (mitochondrial ...
The CYBB gene encode cytochrome b-245, beta chain. This protein is subunit of a group of proteins that forms an enzyme complex called NADPH oxidase, which plays an essential role in the immune system. Within this complex, the cytochrome b-245, beta chain has an alpha chain partner (produced from the CYBA gene). Both alpha and beta chains are ...
Complex IV contains a cytochrome a/a3-domain that transfers electrons and catalyzes the reaction of oxygen to water. Photosystem II, the first protein complex in the light-dependent reactions of oxygenic photosynthesis, contains a cytochrome b subunit. Cyclooxygenase 2, an enzyme involved in inflammation, is a cytochrome b protein.
73649 Ensembl ENSG00000071967 ENSMUSG00000027015 UniProt Q53TN4 Q925G2 RefSeq (mRNA) NM_024843 NM_001127383 NM_001256909 NM_028593 RefSeq (protein) NP_001120855 NP_001243838 NP_079119 NP_082869 Location (UCSC) Chr 2: 171.52 – 171.56 Mb Chr 2: 70.95 – 70.97 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Duodenal cytochrome B (Dcytb) also known as cytochrome b reductase 1 is an ...
p22phox Protein, also known as the human neutrophil cytochrome b light chain (CYBA), is an essential component of the membrane-associated enzyme phagocyte NADPH-oxidase [1] This enzyme uses NADH or NADPH as the electron donor for the one electron reduction of oxygen to produce superoxide anion, a reactive oxygen species (ROS), [2] and a functionally important step for the antimicrobial ...
The specialized protein cytochrome b5 is a class B cytochrome with a high and low potential heme b attached to the central iron on the protein. [4] The cytochrome b class is especially unique because it is attached to proteins within the inner mitochondrial membrane instead of on the outer portion, and this particular class has high sequence ...
Cytochrome b-245 light chain is a protein that in humans is encoded by the CYBA gene involved in superoxide production and phagocytosis. [5] Cytochrome b-245 is composed of a light chain (alpha) and a heavy chain (beta). This gene encodes the light, alpha subunit, which has been proposed as a primary component of the microbicidal oxidase system ...