// Created by libAntimony v2.8.0
model *Model_1()

  // Compartments and Species:
  compartment compartment_1;
  species $x in compartment_1, $y in compartment_1, $z in compartment_1;

  // Rate Rules:
  x' = (-r*x*y + zeta*mu_x) - zeta*x;
  y' = r*x*y - b*y*z - zeta*y;
  z' = (-b*y*z + zeta*mu_z) - zeta*z;
  mu_z' = epsilon*(y - k*(mu_z - mu_z_star));

  // Species initializations:
  x = 4;
  y = 0.2;
  z = 0.4;

  // Compartment initializations:
  compartment_1 = 1;

  // Variable initializations:
  r = 0.2;
  zeta = 0.5;
  mu_x = 4;
  b = 1.5;
  mu_z = 0.4;
  epsilon = 0.002;
  k = 0.4;
  mu_z_star = 0.4;

  // Other declarations:
  var mu_z;
  const compartment_1, r, zeta, mu_x, b, epsilon, k, mu_z_star;
end