// time path field value Comment 0 / x 0 This model shows the GTP cleavage from Ras by GAPs 0 / x 0 There is no external stimulus. 0.1 / x 0 Ras.GDP levels reach steady-state just above 0.05 uM 0.55 / x 0 Ras.GTP levels too reach steady-state 0.8 / x 0 Ending simulation 0.8 / x 0 Check how these rates change for diff. concs. of GAP 0.8 / x 0 Rates adapted from Robert A. Phillips et al 2003 0.8 / x 0 Susan E. Neal et al 1988