The enzyme obtained was free of endogenous calmodulin and stimulated about 14-fold by exogenous calmodulin, it can be used to assay the content of cytosolic calmodulin.

• 所得酶不含内源性钙调素，能被足量外加的钙调素激活14倍，可用于测定细胞中的钙调素含量。