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Assay Method Information

Assay Name:  Enzyme Activity Assay
Description:  The assay was run in a 384-well microliter plate at 37° C. with a total volume of 50 uL. Final assay concentrations were 0.13 nM human PrCP (CHO) or 0.09 nM mouse PrCP (CHO) enzyme, 15 uM substrate and varying concentrations of inhibitor in buffer containing 10 mM NaOAc, 100 mM NaCl and 19.5 ug/mL BSA at pH 5.5. The assay also contained 2% DMSO used to solubilize the substrate and inhibitor. Inhibitors were prepared in 100% DMSO and serial diluted (in 100% DMSO) to generate 11 point titration curves. Either 39 uL of human or mouse PrCP enzyme was added to the wells of the assay plate, followed by a 1 uL addition of the serially diluted inhibitor and mixed three times using a 30 uL mix volume. The reaction was initiated by the addition of 10 uL substrate and mixed three times using a 30 μL mix volume. The reactions were monitored continuously over 25 min at 37° C. to obtain initial velocities.
Affinity data for this assay
 

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Last update November 1, 2007
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