Movies of GFP-GtaCc-s translocation in strains stimulated with 10 nM cAMP. Time-lapse video with images every 30 sec. Stimulant added at time 0 min (image 2, contains red dot). Order of movies: 1A: wild-type cells 1B: erk2- cells 1C: erk2- (Erk2) cells 1D: erk1- cells