a major protein kinase independent of ca2+ , cyclic nucleotide or diacylglycerol , the activity of which becomes maximal when cells enter m phase , decreases at ana-telophase , and is low during interphase , has been purified to near homogeneity from starfish oocytes and its catalytic subunit identified as p34cdc2 .
C0007634
cells
C0007591
m phase