Activation of p34cdc2 protein kinase by microinjection of human cdc25C into mammalian cells. Requirement for prior phosphorylation of cdc25C by p34cdc2 on sites phosphorylated at mitosis. - Strausfeld U; Fernandez A; Capony JP; Girard F; Lautredou N; Derancourt J; Labbe JC; Lamb NJ (The Journal of biological chemistry, 1994)