... CIP are indicated by the labelled arrows (B) A combination of N-terminal and C-terminal truncations of p35 produces a nonactivating fragment (154–279, CIP) that inhibits Cdk5 activity and binds ... using anti-p35 (C-19) Left lane, cotransfected with Cdk5, p35 and tau; Right lane, cotransfected with Cdk5, p25 and tau (B) Total tau and phospho -tau were analyzed by Western blot using anti -tau ... M., Murayama, M., Noguchi, K., Ishiguro, K., Imahori, K & Takashima, A (1998) Characterization of tau phosphorylation in glycogen synthase kinase- 3beta and cyclin dependent kinase- 5 activator...