| Assay Method Information | |
| | Ca2+-Calmodulin Dependent PDE Enzyme Assays |
| Description: | PDE1B, PDE1A, and PDE1C are cloned and purified following standard protein generation procedures. The assay buffer is prepared to give a final concentration in the assay of 50 mM Tris-HCl, 50 mM MgCl2, 4 mM CaCl2, 0.1% Bovine serum albumin and 6 U/ml Calmodulin in water, at pH 7.5. The final enzyme concentration is 0.25, 0.074 and 0.0012 nM, for PDE1A, PDE1B and PDE1C respectively. The reactions are started by addition of the substrate, [3H]cAMP, to give a final concentration of 47 nM. |
| Affinity data for this assay | |
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