#tyson9

FIX: S

#reactions
r0:
 {1.0}X = {1.0}R
  env * (k0_prime + k0 * Ep) * X
r1:
 $pool = {1.0}X
  env * k1 * S
r2:
 {1.0}R = $pool
  env * k2 * R
r3:
 $pool = $pool
  env * k3 * R * E / (Km3 + E)
r4:
 $pool = $pool
  env * k4 * Ep / (Km4 + Ep)


#parameters
Et = 1.0
J3 = 0.05
J4 = 0.05
k0 = 0.4
k0_prime = 0.01
k1 = 1.0
k2 = 1.0
k3 = 1.0
k4 = 0.3
S = 0.0
env = 1.0


#initial values
R = 0.0
X = 0.0


#assignment rules
!F E = Et - Ep
!F Ep = goldbeter_koshland(k3 * R, k4, J3, J4) * Et
!F Km4 = J4 * Et
!F Km3 = J3 * Et