The role of the regulatory subunit of fission yeast calcineurin for in vivo activity and its relevance to FK506 sensitivity.

Abstract excerpt

Calcineurin, a protein phosphatase required for Ca2+ signaling in many cell types, is a heterodimer composed of catalytic and regulatory subunits. The fission yeast genome encodes a single set of catalytic (Ppb1) and regulatory (Cnb1) subunits, providing an ideal model system to study the functions of these subunits in vivo. Here, we cloned the cnb1+ gene and showed that the cnb1 knock-out (Deltacnb1) exhibits...

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