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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origen biológico
horse heart
Ensayo
≥95% (SDS-PAGE)
≥95% based on Mol. Wt. 12,384 basis
Formulario
powder
mol peso
12,384
técnicas
cell culture | mammalian: suitable
idoneidad
suitable for molecular biology
Nº de acceso UniProt
temp. de almacenamiento
−20°C
Información sobre el gen
horse ... CYCS(100053958)
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Este artículo | C2436 | C8857 | M1882 |
|---|---|---|---|
| biological source horse heart | biological source Saccharomyces cerevisiae | biological source - | biological source equine heart |
| assay ≥95% (SDS-PAGE), ≥95% based on Mol. Wt. 12,384 basis | assay ≥85% based on Mol. Wt. 12,588 basis | assay - | assay ≥90% (SDS-PAGE) |
| technique(s) cell culture | mammalian: suitable | technique(s) cell based assay: suitable | technique(s) mass spectrometry (MS): suitable | technique(s) MALDI-MS: suitable |
| form powder | form powder | form solid | form essentially salt-free, lyophilized powder |
| suitability suitable for molecular biology | suitability - | suitability - | suitability - |
| mol wt 12,384 | mol wt 12,588 Da | mol wt (M+H+) 12,361.96 Da by calculation | mol wt - |
Aplicación
El citocromo c es adecuado para utilizar como componente del tampón fosfato para la detección y la evaluación de la actividad del complejo IV mediante electroforesis en gel Blue Native (BN-PAGE). También puede utilizarse para la detección de anión superóxido extracelular (ECSA) en fagocitos renales aislados.
Acciones bioquímicas o fisiológicas
Nota de preparación
Otras notas
Producto relacionado
used together
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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Protocolos
Enzymatic Assay of Superoxide Dismutase
Contenido relacionado
Datasheet
Chromatograms
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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?
1 respuesta-
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Is Product C7752, Cytochrome c, predominantly in the oxidized form or the reduced form?
1 respuesta-
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 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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What is the Department of Transportation shipping information for this product?
1 respuesta-
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 should I store solutions of Product C7752, 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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