phosphorylation of the 20,000 molecular weight ( mw ) light chain of platelet myosin is associated with the activation of platelets and subsequent release of platelet granules , and the protein kinase catalysing this phosphorylation has been identified as the ca2+/calmodulin-dependent enzyme , myosin light chain kinase .
C0031715
phosphorylation
C0027120
myosin light chain