#somogyi1



#reactions
reaction_0000001:
 $pool = {1.0}y
  gamma * cytoplasm
reaction_0000002:
 {1.0}x = {1.0}y
  k * x * cytoplasm - k1 * y * ER
reaction_0000003:
 {1.0}y = $pool
  beta * y * extracellular
reaction_0000004:
 {1.0}x = {1.0}y
  alpha * fy * x * cytoplasm


#parameters
a = 3.0
alpha = 5.0
beta = 1.0
gamma = 1.0
k = 0.01
k1 = 2.0
n = 4.0
ER = 1.0
cytoplasm = 1.0
extracellular = 1.0


#initial values
x = 1.0
y = 1.0


#assignment rules
!F fy = pow(y, n) / (pow(a, n) + pow(y, n))