The enzyme caldesmon-phosphatase (EC 3.1.3.55) catalyzes the reaction
caldesmon phosphate + H2O caldesmon + phosphate
This enzyme belongs to the family of hydrolases, specifically those acting on phosphoric monoester bonds. The systematic name is caldesmon-phosphate phosphohydrolase. Other names in common use include SMP-I, and smooth muscle caldesmon phosphatase.
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