Identification of a phosphodiesterase that converts inositol cyclic 1:2-phosphate to inositol 2-phosphate.


Inositol 2-phosphate (Ins(2)P) has been identified in several cell types. The cellular levels of Ins(2)P appear to be directly correlated with the levels of inositol 1:2-cyclic phosphate (cIns(1:2)P) (Ross, T. S., Wang, F. P., and Majerus, P. W. (1992) J. Biol. Chem. 267, 19919-19923). In this study we have detected an enzyme in extracts from CV-1 cells and… (More)

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