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P0762 Sigma

Phosphatase, Alkaline−Agarose from calf intestine

ammonium sulfate suspension

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Properties

Related Categories Application Index, Biochemicals and Reagents, Enzymes, Inhibitors, and Substrates, Immobilized Enzymes, Organic Synthesis and Immobilized Enzymes More...
form   ammonium sulfate suspension
activity   250-1000 units/mL packed gel
matrix   beaded agarose
storage temp.   2-8°C

Description

General description

Alkaline phosphatase from calf intestine is a glycoprotein with a molecular weight of 140,000.

Packaging

1000 units in glass bottle

50, 100, 250 units in poly bottle

Package size based on DEA units

Unit Definition

One unit will hydrolyze 1.0 mmole of p-nitrophenyl phosphate per min at pH9.8 at 37 °C.

Physical form

Suspension in 2.0 M (NH4)2SO4, 1 mM MgCl2, 0.1 mM ZnCl2, pH 7

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.

Biochem/physiol Actions

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.

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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