Recombinant Lambda Protein Phosphatase Lambda-PPase-128L

Recombinant Lambda Protein Phosphatase


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Recombinant Lambda Protein Phosphatase

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Cat.No. : Lambda-PPase-128L
Product Overview : Lambda-PPase was expressed as a recombinant protein in E.coli and highly purified. This product is an intact enzyme of high quality without tag.
Description : Lambda Protein Phosphatase (Lambda-PPase) is a Mn+2-dependent protein phosphatase with activity towards phosphorylated serine threonine tyrosine and histidine residues.
Source : E.coli
Species : Lambda
Form : 400 U/ul λ-PPase in 50mM HEPES (pH 7.5) 100mM NaCl 2mM dithiothreitol 0.1 mM MnCl2 0.1mM EDTA 50% glycerol 0.01% Brij 35.
Bio-activity : 400000 U/mg
Purity : Greater than 95% homogeneous protein determined by SDS-PAGE (CBB staining) that contains no detectable protease activity
Unit Definition : One unit is defined as the amount of enzyme that hydrolyzes 1 nmole of p-nitrophenyl phosphate per minute at 30℃.
Applications : Lambda-PPase can be used to release phosphate groups from phosphorylated serine threonine tyrosine and histidine residues in proteins. It should be noted that different proteins are dephosphorylated at different rates. Optimal reaction temperature is 30℃. Inclusion of protease inhibitor cocktail and shortest incubation time is desired when assays are done with crude samples.
Storage : Store at -20℃ for a week ( for longer period at -70℃ and avoid repeating of freezing - thawing)

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