this conclusion is based on : ( 1 ) the identical behavior of the 17 000 kinase component and modulator protein in assays of actomyosin mg2+-atpase activity , phosphorylation of myosin , and phosphodiesterase activity , and , ( 2 ) the similarity of the 17 000 kinase component and the modulator protein with respect to amino acid composition , absorption spectrum , and electrophoresis in urea-polyacrylamide gels .
C0031715
phosphorylation
C0031727
kinase