% REF: M-S. Qiu and S. H. Green, Neuron (1991) 7, 937-946 % CELLTYPE: PC12 % MEAS: GTP binding by Ras in response to EGF at 30 ng/ml % UNITS: Ras.GTP/(Ras.GTP + Ras.GDP) (percent total) X 10 % NOTES: Error bars come from the original data set 3.0 RasActive 1.6 0.4 10.0 RasActive 0.8 0.08 30.0 RasActive 0.45 0.05 %