G7907
Galactose Oxidase from Dactylium dendroides
≥30 units/mg solid
Sinónimos:
D-Galactose:oxygen 6-oxidoreductase
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| A ustedes/SKU | Disponibilidad | Precio |
|---|---|---|
150 units | Póngase en contacto con nuestro Servicio de Atención al Cliente para disponibilidad | 182,00 € |
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Número CAS:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-843-7
MDL number:
Specific activity:
≥30 units/mg solid
Biological source:
fungus (Dactylium dendroides)
182,00 €
Póngase en contacto con nuestro Servicio de Atención al Cliente para disponibilidad
Servicio técnico
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Permítanos ayudarlebiological source
fungus (Dactylium dendroides)
Quality Segment
form
lyophilized
specific activity
≥30 units/mg solid
storage temp.
−20°C
General description
Galactose oxidase is an extracellular copper-containing enzyme, secreted by the deuteromycete fungus Dactylium dendroides. It catalyzes the oxidation of a range of primary alcohols, including D-galactose, to the corresponding aldehyde, with reduction of oxygen to hydrogen peroxide.[1][2]
Galactose oxidase is a member of radicalcoupled copper oxidases family. It is a fungal secretory enzyme.
Application
Galactose oxidase may be used as an analytical tool for the specific determination of D-galactose in blood plasma, plant extracts, and phospholipids. It could be used for the characterization of terminal D-galactoside units in several polymers. It may also be useful in the determination of lactose.[3]
Galactose Oxidase from Dactylium dendroides has been used as a component for galactose oxidase treatment of arabinogalactan. It has also been used to co-immobilise with peroxidase for the preparation of a biosensor for galactose detection.
Biochem/physiol Actions
Galactose oxidase catalyzes the coversion of D-galactose to D-galacto-hexodialdose.
2-Deoxy-D-galactose, lactose, melibiose, raffinose and stachyose react with galactose oxidase in the peroxidase:o-tolidine system.
Essentially no oxidation of D-glucose, L-galactose, L-arabinose or D-glucuronate has been observed.
2-Deoxy-D-galactose, lactose, melibiose, raffinose and stachyose react with galactose oxidase in the peroxidase:o-tolidine system.
Essentially no oxidation of D-glucose, L-galactose, L-arabinose or D-glucuronate has been observed.
The specificity for galactose and other sugars is similar to that described by Avigad.
Galactose oxidase has several applications in bioanalytics and histology. This free radical enzyme possess high substrate specificity.
Physical form
Lyophilized, contains buffer salts and stabilizer
Preparation Note
Chromatographically purified
Other Notes
One unit will produce a ΔA425 of 1.0 per min at pH 6.0 at 25 °C, in a peroxidase and o-tolidine system. Reaction volume = 3.4 mL. Light path = 1 cm.
1 of 1
Este artículo | |||
|---|---|---|---|
| biological source fungus (Dactylium dendroides) | biological source fungus (Dactylium dendroides) | biological source - | biological source - |
| specific activity ≥30 units/mg solid | specific activity ≥3,000 units/g solid | specific activity ≥10,000 units/g solid (without added oxygen) | specific activity 100,000-250,000 units/g solid (without added oxygen) |
| form lyophilized | form lyophilized powder | form powder | form lyophilized powder |
| storage temp. −20°C | storage temp. −20°C | storage temp. −20°C | storage temp. −20°C |
| Quality Level 200 | Quality Level 200 | Quality Level - | Quality Level 200 |
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signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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