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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C7752
Cytochrom c aus Pferdeherz
≥95% based on Mol. Wt. 12,384 basis
Synonym(e):
Cytochrom c aus Pferdeherz
About This Item
Empfohlene Produkte
Biologische Quelle
horse heart
Qualitätsniveau
Assay
≥95% (SDS-PAGE)
≥95% based on Mol. Wt. 12,384 basis
Form
powder
Mol-Gew.
12,384
Methode(n)
cell culture | mammalian: suitable
Eignung
suitable for molecular biology
UniProt-Hinterlegungsnummer
Lagertemp.
−20°C
Angaben zum Gen
horse ... CYCS(100053958)
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Anwendung
Cytochrom c eignet sich als Komponente von Phosphatpuffern für den Nachweis und die Bewertung der Komplex-IV-Aktivität mittels Blue Native Gel Electrophoresis (BN-PAGE). Es kann auch für den Nachweis von extrazellulärem Superoxid-Anion (ECSA) in isolierten Nierenphagozyten verwendet werden.
Biochem./physiol. Wirkung
Angaben zur Herstellung
Sonstige Hinweise
Anwendung
auch häufig zusammen mit diesem Produkt gekauft
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Gloves, type N95 (US)
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Chromatograms
application for HPLCapplication for HPLCapplication for HPLC-
How should I store solutions of Product C7752, Cytochrome c?
1 answer-
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How do I determine how much of Product C7752, Cytochrome c, is in the oxidized form, and how much is reduced?
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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]).
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Is Product C7752, Cytochrome c, predominantly in the oxidized form or the reduced form?
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This product is predominantly (>95%) in the oxidized form.
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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?
1 answer-
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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What is the Department of Transportation shipping information for this product?
1 answer-
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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