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*  CYP2B6
Cytochrome P450 2B6 is an enzyme that in humans is encoded by the CYP2B6 gene. CYP2B6 is a member of the Cytochrome P450 group ... This gene, CYP2B6, encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are ... Both the gene and the pseudogene are located in the middle of a CYP2A pseudogene found in a large cluster of cytochrome P450 ... 2004). "Comparison of cytochrome P450 (CYP) genes from the mouse and human genomes, including nomenclature recommendations for ...
*  Cytochrome c
The heme group of cytochrome c accepts electrons from the bc1 complex and transfers electrons to the complex IV. Cytochrome c ... It belongs to the cytochrome c family of proteins. Cytochrome c is highly water-soluble, unlike other cytochromes, and is an ... Lynch SR, Sherman D, Copeland RA (Jan 1992). "Cytochrome c binding affects the conformation of cytochrome a in cytochrome c ... Smith HT, Ahmed AJ, Millett F (May 1981). "Electrostatic interaction of cytochrome c with cytochrome c1 and cytochrome oxidase ...
*  Metalloprotein
For instance cytochrome a has a heme a prosthetic group and cytochrome b has a heme b prosthetic group. These differences ... The iron atom in most cytochromes is contained in a heme group. The differences between those cytochromes lies in the different ... Cytochrome P450 enzymes perform the function of inserting an oxygen atom into a C−H bond, an oxidation reaction. Rubredoxin is ... These donor groups are often provided by side-chains on the amino acid residues. Especially important are the imidazole ...
*  Methemoglobin
The immediate goal of forming this cyanide adduct is to prevent the binding of free cyanide to the cytochrome a3 group in ... in which the iron in the heme group is in the Fe3+ (ferric) state, not the Fe2+ (ferrous) of normal hemoglobin. Methemoglobin ... cytochrome c oxidase. Methemoglobin saturation is expressed as the percentage of hemoglobin in the methemoglobin state; That is ... agents Pregnant women are considered vulnerable to exposure of high levels of nitrates in drinking water Cytochrome b5 ...
*  Flavocytochrome c sulfide dehydrogenase
The dihaem cytochrome folds into two domains, each of which resembles mitochondrial cytochrome c, with the two haem groups ... Electrons are transferred from the flavin to one of the haem groups in the cytochrome. Chen ZW, Koh M, Van Driessche G, Van ... These enzymes are dimers of a flavoprotein and a dihaem cytochrome that carry out hydrogen sulfide-dependent cytochrome C ...
*  COX7B
Stroh A, Kadenbach B (1986). "Tissue-specific and species-specific distribution of -SH groups in cytochrome c oxidase subunits ... Cytochrome c oxidase subunit 7B, mitochondrial is an enzyme that in humans is encoded by the COX7B gene. Cytochrome c oxidase ( ... "Entrez Gene: COX7B cytochrome c oxidase subunit VIIb". Human COX7B genome location and COX7B gene details page in the UCSC ... 1998). "Assembly of cytochrome-c oxidase in cultured human cells". Eur. J. Biochem. 254 (2): 389-94. doi:10.1046/j.1432- ...
*  Cytochrome
The definition of cytochrome c is not defined in terms of the heme group. There is no "cytochrome e," but there is a cytochrome ... Cytochrome d at the US National Library of Medicine Medical Subject Headings (MeSH) Cytochrome c Group at the US National ... Penguin Group. p. 173. ISBN 978-0-698-19143-3. Scripps Database of Metalloproteins Cytochromes at the US National Library of ... Cytochromes are iron containing hemeproteins central to which are heme groups that are primarily responsible for the generation ...
*  CYB5R3
"Modification and identification of cytochrome b5 carboxyl groups involved in protein-protein interaction with cytochrome b5 ... "Characterization of the covalent cross-links of the active sites of amidinated cytochrome b5 and NADH:cytochrome b5 reductase ... "Entrez Gene: CYB5R3 cytochrome b5 reductase 3". ]Zong NC, Li H, Li H, Lam MP, Jimenez RC, Kim CS, Deng N, Kim AK, Choi JH, ... NADH-cytochrome b5 reductase 3 is an enzyme that in humans is encoded by the CYB5R3 gene. The CYB5R3 gene is located on the ...
*  Cytochrome c peroxidase
... , maintained by the Kraut Research Group. The UniProt entry for yeast cytochrome c peroxidase. Molecular ... Cytochrome c peroxidase, or CCP, is a water-soluble heme-containing enzyme of the peroxidase family that takes reducing ... Altchul, A. M., Abrams, R., and Hogness, T. R. (1940) Cytochrome c peroxidase. J. Biol. Chem., 136, 777. Poulos, T. L., Freer, ... Much like catalase, the reaction of cytochrome c peroxidase proceeds through a three-step process, forming first a Compound I ...
*  Di-haem cytochrome c peroxidase
... the di-haem cytochrome c peroxidase family is a group of distinct cytochrome c peroxidases (CCPs) that contain two haem groups ... Similar to other cytochrome c peroxidases, they reduce hydrogen peroxide to water using c-type haem as an oxidizable substrate ... The two haem groups have significantly different redox potentials. The high potential (+320 mV) haem feeds electrons from ... Fulop V, Ridout CJ, Greenwood C, Hajdu J (November 1995). "Crystal structure of the di-haem cytochrome c peroxidase from ...
*  Hill reaction
Cytochromes are conjugate proteins that contain a haem group. The iron atom from this haem group undergoes redox reactions: ...
*  COX15
... the prosthetic group of cytochrome a and a3. COX15 in yeast mediates hydroxylation of the methyl group at the C-8 position of ... "Isoforms of mammalian cytochrome c oxidase: correlation with human cytochrome c oxidase deficiency". Pediatric Research. 28 (5 ... Cytochrome c oxidase assembly protein COX15 homolog (COX15), also known as heme A synthase, is a protein that in humans is ... COX15 is one of the cytochrome c oxidase (COX) assembly factors identified in yeast, playing a key role in the biosynthetic ...
*  Yemeni mouse
"Cytochrome b-based phylogeny of the Praomys group (Rodentia, Murinae): a new African radiation?" (PDF). Comptes Rendus ...
*  Iron
The cytochrome proteins also involve heme groups and are involved in the metabolic oxidation of glucose by oxygen. The sixth ... Like the other group 8 elements, ruthenium and osmium, iron exists in a wide range of oxidation states, −2 to +7, although +2 ... Cytochrome a is slightly distinct, as it occurs at the mitochondrial membrane, binds directly to oxygen, and transports protons ... Metalloproteins are a group of proteins with metal ion cofactors. Some examples of iron metalloproteins are ferritin and ...
*  Protoporphyrin IX
... is an important precursor to biologically essential prosthetic groups such as heme, cytochrome c, and ... The N-H groups are trans. Its biosynthesis is mediated by the enzyme protoporphyrinogen oxidase. The simplified biosynthetic ... Hemes are prosthetic groups in some important proteins. These heme-containing proteins include hemoglobin, myoglobin, and ... cytochrome c. Complexes can also be formed with other metal ions, such as zinc. Protoporphyrin IX is a largely planar molecule ...
*  HCCS (gene)
The heme group is required for cytochrome c to transport electrons from complex III to complex IV of the electron transport ... The HCCS protein functions as a lyase to covalently attach the heme group to the apoprotein of cytochrome c on the inner ... Cytochrome c-type heme lyase is an enzyme that in humans is encoded by the HCCS gene on chromosome X. The HCCS gene is located ... Heme attachment to cytochrome c takes place in the intermembrane space and requires conserved heme-interacting residues on HCCS ...
*  Q cycle
FeS protein' then donates its electron to Cytochrome c1, reducing its bound heme group. The electron is from there transferred ... 2 cytochrome c1 (Fe3+) + 2 H+ (matrix) → CoQ + 2 cytochrome c1 (Fe2+) + 4 H+ (intermembrane) Operation of the modified Q cycle ... cytochrome c1 (Fe3+) → CoQ−• + cytochrome c1 (Fe2+) + 2 H+ (intermembrane) Then the second reaction of the cycle involves the ... two from the matrix and two from the reduction of two molecules of cytochrome c. The reduced cytochrome c is eventually ...
*  Drug metabolism
In phase I, enzymes such as cytochrome P450 oxidases introduce reactive or polar groups into xenobiotics. These modified ... Hydroxylation of an N-methyl group leads to expulsion of a molecule of formaldehyde, while oxidation of the O-methyl groups ... The Cytochrome P450 monooxygenase system is the most important pathway in this regard. In general, anything that increases the ... In phase I, a variety of enzymes act to introduce reactive and polar groups into their substrates. One of the most common ...
*  Cytochrome d
... cytochrome d ubiquinol oxidase subunit II Cytochrome d ubiquinol oxidase subunit 1 Cytochrome d group Michael J. Miller, Robert ... Cytochrome d group Cytochrome d at the US National Library of Medicine Medical Subject Headings (MeSH) Caulobacter crescentus ... Cytochrome d is, as other proteins of its family, a membrane-bound hemeprotein, but unlike cytochromes a and b, cytochrome D ... Cytochrome bd is a tri-heme oxidase as it is compound by cytochromes b558, b595 and d. Its main function is the reduction of O2 ...
*  Sulfite dehydrogenase
This enzyme belongs to the family of oxidoreductases, specifically those acting on a sulfur group of donor with a cytochrome as ... Other names in common use include sulfite cytochrome c reductase, sulfite-cytochrome c oxidoreductase, and sulfite oxidase. ... doi:10.1016/0926-6593(66)90013-0. Lu, W-P; Kelly DP (1984). "Properties and role of sulphite:cytochrome c oxidoreductase ... Charles AM; Suzuki I (1966). "Purification and properties of sulfite:cytochrome c oxidoreductase from Thiobacillus novellus". ...
*  Thiosulfate dehydrogenase
... specifically those acting on a sulfur group of donors with a cytochrome as acceptor. The systematic name of this enzyme class ...
*  Cytochrome b5, type A
"Modification and identification of cytochrome b5 carboxyl groups involved in protein-protein interaction with cytochrome b5 ... Cytochrome b5, form A (gene name CYB5A), is a human microsomal cytochrome b5. Cytochrome b5 is a membrane bound hemoprotein ... 1974). "Structural studies of cytochrome b5. 3. Sequential studies on human liver cytochrome b5". J. Biochem. 74 (5): 985-1002 ... Guengerich FP, Johnson WW (1998). "Kinetics of ferric cytochrome P450 reduction by NADPH-cytochrome P450 reductase: rapid ...
*  Glycine dehydrogenase (cytochrome)
This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH2 group of donors with a cytochrome ... In enzymology, a glycine dehydrogenase (cytochrome) (EC 1.4.2.1) is an enzyme that catalyzes the chemical reaction glycine + ... Sanders HK, Becker GE, Nason A (1972). "Glycine-cytochrome c reductase from Nitrobacter agilis". J. Biol. Chem. 247 (7): 2015- ... cytochrome c reductase. This enzyme participates in glycine, serine and threonine metabolism. ...
*  D-lactate dehydrogenase (cytochrome)
... specifically those acting on the CH-OH group of donor with a cytochrome as acceptor. The systematic name of this enzyme class ... cytochrome-dependent D-(−)-lactate dehydrogenase, D-lactate-cytochrome c reductase, and D-(−)-lactic cytochrome c reductase. ... D(-)Lactic cytochrome c reductase, a zinc-flavoprotein from aerobic yeast". Biochim. Biophys. Acta. 67: 201-18. doi:10.1016/ ... In enzymology, a D-lactate dehydrogenase (cytochrome) (EC 1.1.2.4) is an enzyme that catalyzes the chemical reaction (D)- ...
*  Lanosterol 14 alpha-demethylase
The cytochrome P450 isoenzymes are a conserved group of proteins that serve as key players in the metabolism of organic ... the 14α-methyl group undergoes typical cytochrome monooxygenation in which one oxygen atom is incorporated by the substrate and ... Finally, the active site contains a heme prosthetic group in which the iron is tethered to a thiolate ligand on a conserved ... "Fungal Cytochrome P450 Sterol 14α-demethylase (CYP51) and Azole Resistance in Plant and Human Pathogens." Applied Microbiology ...
*  Caspase-activated DNase
Its catalytic site involves sulfohydryl group of Cys-285 and the imidazole ring of its His-237. The caspase-3 His-237 ... "Apoptosis initiated by Bcl-2-regulated caspase activation independently of the cytochrome c/Apaf-1/caspase-9 apoptosome". ... "HIV-1 protease processes procaspase 8 to cause mitochondrial release of cytochrome c, caspase cleavage and nuclear ...