This is determined by a spectral assay. The detailed assay procedure (operating procedure #11252) may be requested from Sigma St. Louis Technical Service ([email protected]).
C7150
Cytochrome c from equine heart
BioReagent, suitable for GFC marker
Synonyme(s) :
Cytochrome c from horse heart
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About This Item
Numéro CAS:
Numéro CE :
Numéro MDL:
Code UNSPSC :
23151817
Nomenclature NACRES :
NA.56
Le tarif et la disponibilité ne sont pas disponibles actuellement.
Produits recommandés
Gamme de produits
BioReagent
Niveau de qualité
Forme
powder
Poids mol.
~12,400
Conditionnement
vial of ≥10 mg
Adéquation
suitable for GFC marker
Température de stockage
−20°C
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Application
Les sites spécifiques et l′ampleur de l′oxydation ont été caractérisés sur du cytochrome c de cheval traité par H2O2 et aux UV. Il a été suggéré que l′état de ces sites pourrait servir de biomarqueur de l′environnement oxydatif dans une cellule.
Cytochrome c is primarily known as an electron-carrying mitochondrial protein and is generally regarded as a universal catalyst of respiration. Cytochrome c can be used as a gel filtration molecular weight marker in gel filtration chromatography and protein chromatography and can be used to study cytochrome c control proteins, electron transport and cellular respiration.
Actions biochimiques/physiologiques
Le cytochrome c est principalement connu comme protéine mitochondriale transporteuse d′électrons. La transition du cytochrome c de la forme ferreuse à la forme ferrique à l′intérieur de la cellule fait de lui un transporteur d′électrons biologique efficace. Il joue également un rôle vital dans l′oxydation cellulaire chez les plantes et les animaux. Il est généralement considéré comme un catalyseur universel de la respiration, car il forme un pont d'électrons essentiel entre les substrats respirables et l′oxygène.
Autres remarques
Pour en savoir plus sur le cytochrome c et le transport d′électrons, rendez-vous sur www.sigma-aldrich.com/enzymeexplorer.
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Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
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Certificats d'analyse (COA)
Lot/Batch Number
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Les clients ont également consulté
Paolo Ascenzi et al.
Biochemical and biophysical research communications, 415(3), 463-467 (2011-11-08)
Carboxymethylation of equine heart cytochrome c (cytc) changes its tertiary structure by disrupting the heme-Fe-Met80 distal bond, such that carboxymethylated cytc (CM-cytc) displays myoglobin-like properties. Here, the effect of cardiolipin (CL) on peroxynitrite isomerization by ferric CM-cytc (CM-cytc-Fe(III)) is reported.
Federica Sinibaldi et al.
Journal of inorganic biochemistry, 105(11), 1365-1372 (2011-09-29)
In cells a portion of cytochrome c (cyt c) (15-20%) is tightly bound to cardiolipin (CL), one of the phospholipids constituting the mitochondrial membrane. The CL-bound protein, which has nonnative tertiary structure, altered heme pocket, and disrupted Fe(III)-M80 axial bond
Shuvasree SenGupta et al.
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PLoS pathogens, 14(12), e1007477-e1007477 (2018-12-12)
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Protocoles
Gel filtration chromatography is an established method for determining the size and molecular mass of proteins.
Chromatograms
application for HPLCapplication for HPLCapplication for HPLC-
How do I determine how much Product C7150, Cytochrome c, is in the oxidized form, and how much is reduced?
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Is Product C7150, Cytochrome c, predominantly in the oxidized form or the reduced form?
1 answer-
This product is not assayed for the percentage oxidized or reduced. However, based on the method of preparation, we would expect it to be predominantly in the oxidized form.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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I see that you list several horse heart cytochrome c products. What are the differences, and which one should I choose?
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Product No. C2506 is prepared with trichloroacetic acid (TCA), whereas C7752 is prepared with the milder acetic acid. The TCA method may reduce the amount of superoxide dismutase (SOD) present, but tends to cause dimerization or acid-modified structures of cytochrome c. In contrast, acetic acid preparations may have slightly higher amounts of SOD, but a lower proportion of dimeric cytochrome c. So C2506 would be recommended for enzyme activity studies that require low SOD, whereas C7752 is recommended for structural studies or binding studies, or for enzyme activity studies where possible SOD contamination is not a problem. Product No. C2867 is prepared from C2506; it is a BioUtra grade product, greater than or equal to 99% pure as determined by SDS-PAGE. It is recommended when an ultra-high purity is required. Product No. C3256 is also prepared from C7752; it is isolated by ion-exchange chromatography. This fraction shows a high rate of ascorbic acid oxidation, but low activity in a cytochrome oxidase system. Product No. C7150 is also prepared from C7752; it is suitable for use as a gel filtration molecular weight marker.
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How should I store solutions of Product C7150, Cytochrome c?
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Our general recommendations are as follows: Store at -20 °C (freezer) for up to six months. Store at 2-8 °C (refrigerator) for up to two weeks. Store at 20-25 °C (room temperature) for up to three days. According to J. Biol. Chem, 237, 2161-2174 (1962), cytochrome c is stable to boiling, and over an unusually wide range of pH values. However, it denatures readily at extreme pH (low or high), and in high concentrations of organic solvents, such as ethanol or acetone.
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