Extraction and purification of phosphodiesterase 1

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase

Reexamination Certificate

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C435S195000, C435S196000, C435S183000, C435S814000, C800S320000

Reexamination Certificate

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06982158

ABSTRACT:
A process for purifying a phosphodiesterase 1 (PDE-1) from a cell including heating an extract of a cell formed from a solution including at least one divalent cation, to increase the specific activity of PDE-1 in the extract.

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