In the gel autophosphorylation assay of the protein kinase, a 62.5KD CDPK has been identified in the microsome of the grape berries and it was able to be activated by extrinsic ABA.

• 本实验应用胶内蛋白激酶自磷酸化分析表明；在葡萄果实微粒体中存在一种分子量约为62.；5KD的钙依赖的蛋白激酶(CDPK)；并且；外源ABA处理能激活这一蛋白激酶。