Caldesmon-phosphatase explained

caldesmon-phosphatase
Ec Number:	3.1.3.55
Cas Number:	93229-71-1
Go Code:	0047765

The enzyme caldesmon-phosphatase (EC 3.1.3.55) catalyzes the reaction

caldesmon phosphate + H₂O

\rightleftharpoons 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.

References

• Ngai PK, Walsh MP . 1984 . Inhibition of smooth muscle actin-activated myosin Mg²⁺-ATPase activity by caldesmon . J. Biol. Chem. . 259 . 13656 - 9 . 6150036 . 22 .