The chemical differences between equine and bovine heart-derived Cytochrome C for cytochrome oxidase histochemistry are minimal. The molecular weights are close but not identical, with equine heart-derived Cytochrome C having a molecular weight of 12,384 and bovine heart-derived Cytochrome C having a molecular weight of 12,327. Despite this, both are highly conserved in eukaryotes, and considering their near-identical molecular weights, they can likely be used interchangeably for cytochrome oxidase histochemistry.
C2506
Citocromo c from equine heart
≥95% (SDS-PAGE)
Sinónimos:
Citocromo c from horse heart
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114,00 €
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About This Item
114,00 €
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origen biológico
horse heart
Nivel de calidad
Ensayo
≥95% (SDS-PAGE)
Formulario
powder
mol peso
12,384
técnicas
cell based assay: suitable
solubilidad
H2O: soluble 10 mg/mL
idoneidad
suitable for molecular biology
Nº de acceso UniProt
aplicaciones
cell analysis
temp. de almacenamiento
−20°C
Información sobre el gen
horse ... CYCS(100053958)
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Aplicación
- en la reducción del ferricitocromo c por los radicales superóxido generados por la xantina oxidasa[1]
- como analito mediante el método de deposición de una sola gota utilizando espectros de masa MALDI[2]
- como aceptor terminal de electrones en el ensayo de la actividad estándar de la citocromo c reductasa[3]
- en la histoquímica de la citocromo c oxidasa[4]
- en la medición de la actividad citocromo c oxidasa[5]
- como componente del tampón fosfato para la detección y la evaluación de la actividad del complejo IV utilizando electroforesis en gel Blue Native (BN-PAGE)[6]
- para la detección del anión superóxido extracelular (ECSA) en fagocitos renales aislados[7]
Acciones bioquímicas o fisiológicas
Nota de preparación
Otras notas
Aplicación
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
Eyeshields, Gloves, type N95 (US)
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Certificados de análisis (COA)
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What are the chemical differences between equine and bovine heart-derived Cytochrome C for cytochrome oxidase histochemistry?
1 respuesta-
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Does the solubilized powder have a particular color (compared to bovine cytC, which has a brown color)?
1 respuesta-
This product in solution should be dark red to reddish brown when dissolved in water at 10 mg/mL. See below for a link to the sample Certificate of Analysis:
https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/C2506-BULKSLCL7912.pdf¿Le ha resultado útil?
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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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How do I determine how much of Product C2506, 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 C2506, 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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How should I store solutions of Product C2506, Cytochrome c?
1 respuesta-
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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I see that you list several horse heart cytochrome c products. What are the differences, and which one should I choose?
1 respuesta-
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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