S8409
Superoxide Dismutase from bovine liver
ammonium sulfate suspension, 2,000-6,000 units/mg protein (biuret)
Sinónimos:
SOD, Superoxide: superoxide oxidoreductase
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About This Item
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Formulario
ammonium sulfate suspension
Nivel de calidad
actividad específica
2,000-6,000 units/mg protein (biuret)
mol peso
32.5 kDa
Nº de acceso UniProt
temp. de almacenamiento
2-8°C
Información sobre el gen
cow ... SOD1(281495)
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Descripción general
Research area: Cell Signaling
Superoxide dismutases are a group of low molecular weight metalloproteins present in all aerobic cells of plants, animals, and micro-organisms. They provide protection against damaging reactions with the superoxide radical anion (O2-) by catalyzing its disproportionation into oxygen and hydrogen peroxide.
Superoxide dismutases are a group of low molecular weight metalloproteins present in all aerobic cells of plants, animals, and micro-organisms. They provide protection against damaging reactions with the superoxide radical anion (O2-) by catalyzing its disproportionation into oxygen and hydrogen peroxide.
Aplicación
Superoxide Dismutase from bovine liver has been used:
- for measuring mitochondrial hydrogen peroxide production in skeletal muscle
- as a positive control in Cu(II) binding stability assay
- as a positive control in superoxide dismutase assay
- in a study to assess the inactivation of endothelial-derived relaxing factor by oxidized lipoproteins.
- in a study to investigate the role of hydrogen peroxide in the cytotoxicity of the xanthine/xanthine oxidase system.
Acciones bioquímicas o fisiológicas
Superoxide Dismutase catalyzes the dismutation of superoxide radicals to hydrogen peroxide and molecular oxygen. It plays a critical role in the defense of cells against the toxic effects of oxygen radicals. It competes with nitric oxide (NO) for superoxide anion (which reacts with NO to form peroxynitrite), thereby SOD promotes the activity of NO. SOD has also been shown to suppress apoptosis in cultured rat ovarian follicles, neural cell lines, and transgenic mice.
Definición de unidad
One unit will inhibit reduction of cytochrome c by 50% in a coupled system with xanthine oxidase at pH 7.8 at 25 °C in a 3.0 mL reaction volume. Xanthine oxidase concentration should produce an initial ΔA550 of 0.025 ± 0.005 per min.
Forma física
Suspension in 3.8 M (NH4)2SO4, pH 7.0
Nota de análisis
For assay method, see McCord, J.M. and Fridovich,I., J. Biol. Chem., 244, 6049 (1969).
Aplicación
Referencia del producto
Descripción
Precios
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Resp. Sens. 1
Código de clase de almacenamiento
10 - Combustible liquids
Clase de riesgo para el agua (WGK)
WGK 1
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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E M Link et al.
The Biochemical journal, 249(2), 391-399 (1988-01-15)
1. The survival of mammalian epithelial cells exposed in vitro to the xanthine/xanthine oxidase system in phosphate-buffered saline (PBS) or serum-containing medium (SCMEM) was investigated. 2. The cytotoxic effect observed depended on the composition of the medium in which the
L G Chi et al.
Circulation research, 64(4), 665-675 (1989-04-01)
Available data demonstrate that oxygen free radicals and derived reactive species of oxygen are produced during myocardial ischemia as well as upon reperfusion of the ischemic tissue. The present study was designed to determine if polyethylene glycol-conjugated superoxide dismutase (PEG-SOD)
Artículos
Instructions for working with enzymes supplied as ammonium sulfate suspensions
Protocolos
Enzymatic Assay of Superoxide Dismutase
Separation of Superoxide dismutase
Chromatograms
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