However, only a modified form of the protein will bind to calcium, and this modification is dependent on adequate vitamin K levels.
然而，骨钙素只有一种经改造的结构能与钙结合，这种结构的改变取决于维生素k的水平。
2
CDPK(Ca2+-dependent, calmodulin independent protein kinase) is the crucial protein kinase in plant calcium signal transduction, and play important role in osmotic stresses.