kinetic studies , using the form of protein phosphatase-iii which dephosphorylated inhibitor-1 very rapidly , demonstrated three unusual features of the system : ( a ) inhibitor-1 was still as powerful and inhibitor of the dephosphorylation of phosphorylase a and phosphorylase kinase a even under conditions where it was being rapidly dephosphorylated ;
C0031686
protein phosphatase
C1158884
dephosphorylation