The Enzyme Database

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Accepted name: caldesmon-phosphatase
Reaction: caldesmon phosphate + H2O = caldesmon + phosphate
Other name(s): SMP-I; smooth muscle caldesmon phosphatase
Systematic name: caldesmon-phosphate phosphohydrolase
Comments: Dephosphorylation activates the calmodulin- and actin-binding ability of the protein caldesmon.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 93229-71-1
1.  Ngai, P.K. and Walsh, M.P. Inhibition of smooth muscle actin-activated myosin Mg2+-ATPase activity by caldesmon. J. Biol. Chem. 259 (1984) 13656–13659. [PMID: 6150036]
[EC created 1989]

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