P0762
Phosphatase, Alkaline−Agarose from calf intestine
ammonium sulfate suspension
Synonyme(s) :
Alkaline phosphatase-Agarose
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About This Item
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Source biologique
bovine (calf) intestine
Niveau de qualité
Forme
ammonium sulfate suspension
Activité spécifique
250-1000 units/mL packed gel
Matrice
beaded agarose
Température de stockage
2-8°C
Description générale
Alkaline phosphatase from calf intestine is a glycoprotein with a molecular weight of 140,000.
Application
Alkaline phosphatase from calf intestine, CIP, removes phosphate groups from the 5′ ends of DNA which aids in cloning techniques to keep DNA from self-ligation. It can be inhibited by homoarginine.
Calf intestinal alkaline phosphatase (CIAP) has been used in a study with the spectrophotometric method to assess the inhibition effect of dansyl-L-phenylalanine. It has also been shown that (CIAP) is able to detoxify the lipopolysaccharide (LPS)-mediated inflammatory response, which could be important in the treatment of LPS-mediated diseases.
Actions biochimiques/physiologiques
Sigma insoluble enzymes are produced by reacting the conventional "soluble" enzyme with an inert base that results in an insoluble compound retaining the activity of the original enzyme. Applications are almost unlimited. By selecting the "inert" base carefully, a highly active "resin" or "gel" can be produced with which the enzyme reaction can be quickly catalyzed by momentary contact with the substrate in a suitable medium. This can be carried out either in a batch slurry or even through a small column. In either case, the insoluble enzyme does not remain as a contaminant of the reaction mix. It can be readily filtered or centrifuged out of the batch slurry, or remain behind in the column. Many unstable enzymes seem to be much more stable in the insoluble form.
Conditionnement
Package size based on DEA units
Définition de l'unité
One unit will hydrolyze 1.0 mmole of p-nitrophenyl phosphate per min at pH9.8 at 37 °C.
Forme physique
Suspension in 2.0 M (NH4)2SO4, 1 mM MgCl2, 0.1 mM ZnCl2, pH 7
Code de la classe de stockage
10 - Combustible liquids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
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To evaluate the inhibition effect of dansyl-L-phenylalanine on calf intestinal alkaline phosphatase (CIAP), UV-Vis spectrophotometric method was employed. It was found that dansyl-L-phenylalanine can selectively inhibit CIAP. The kinetic inhibition processes of dansyl-L-phenylalanine and L-phenylalanine were comparatively studied. The authors'
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