// This model generated automatically from SBML

// unit definitions
import nsrunit;
unit conversion off;

// SBML property definitions
property sbmlRole=string;
property sbmlName=string;
property sbmlCompartment=string;

// SBML reactions
// R00897: O_minus_Acetyl_minus_L_minus_serine Hydrogen_space_sulfide <=> L_minus_Cysteine Acetate 
// R01285: Cystathionine <=> L_minus_Homocysteine 
// R01777: L_minus_Homoserine <=> O_minus_Succinyl_minus_L_minus_homoserine 
// R00586: L_minus_Serine <=> O_minus_Acetyl_minus_L_minus_serine 

math main {
  realDomain time second;
  time.min=0;
  extern time.max;
  extern time.delta;

  // variable definitions
  real default = 1 L;
  real uVol = 1 L;
  real E2_space_5_space_1_space_47 = 0 M;
  real E2_space_3_space_1_space_30 = 0 M;
  real E4_space_4_space_1_space_8 = 0 M;
  real E2_space_3_space_1_space_46 = 0 M;
  real Acetate(time) M;
  real L_minus_Serine(time) M;
  real O_minus_Acetyl_minus_L_minus_serine(time) M;
  real L_minus_Cysteine(time) M;
  real Hydrogen_space_sulfide(time) M;
  real L_minus_Homocysteine(time) M;
  real Cystathionine(time) M;
  real L_minus_Homoserine(time) M;
  real O_minus_Succinyl_minus_L_minus_homoserine(time) M;
  real R00897(time) katal;
  extern real R00897.kf;
  extern real R00897.kb;
  real R01285(time) katal;
  extern real R01285.kf;
  extern real R01285.kb;
  real R01777(time) katal;
  extern real R01777.kf;
  extern real R01777.kb;
  real R00586(time) katal;
  extern real R00586.kf;
  extern real R00586.kb;

  // equations
  when (time=time.min) Acetate = 0;
  (Acetate*uVol):time = R00897;
  when (time=time.min) L_minus_Serine = 0;
  (L_minus_Serine*uVol):time = -1*R00586;
  when (time=time.min) O_minus_Acetyl_minus_L_minus_serine = 0;
  (O_minus_Acetyl_minus_L_minus_serine*uVol):time = -1*R00897 + R00586;
  when (time=time.min) L_minus_Cysteine = 0;
  (L_minus_Cysteine*uVol):time = R00897;
  when (time=time.min) Hydrogen_space_sulfide = 0;
  (Hydrogen_space_sulfide*uVol):time = -1*R00897;
  when (time=time.min) L_minus_Homocysteine = 0;
  (L_minus_Homocysteine*uVol):time = R01285;
  when (time=time.min) Cystathionine = 0;
  (Cystathionine*uVol):time = -1*R01285;
  when (time=time.min) L_minus_Homoserine = 0;
  (L_minus_Homoserine*uVol):time = -1*R01777;
  when (time=time.min) O_minus_Succinyl_minus_L_minus_homoserine = 0;
  (O_minus_Succinyl_minus_L_minus_homoserine*uVol):time = R01777;
  R00897 = R00897.kf*O_minus_Acetyl_minus_L_minus_serine*Hydrogen_space_sulfide - R00897.kb*L_minus_Cysteine*Acetate;
  R01285 = R01285.kf*Cystathionine - R01285.kb*L_minus_Homocysteine;
  R01777 = R01777.kf*L_minus_Homoserine - R01777.kb*O_minus_Succinyl_minus_L_minus_homoserine;
  R00586 = R00586.kf*L_minus_Serine - R00586.kb*O_minus_Acetyl_minus_L_minus_serine;

  // variable properties
  default.sbmlRole="compartment";
  uVol.sbmlRole="compartment";
  E2_space_5_space_1_space_47.sbmlRole="species";
  E2_space_5_space_1_space_47.sbmlCompartment="uVol";
  E2_space_3_space_1_space_30.sbmlRole="species";
  E2_space_3_space_1_space_30.sbmlCompartment="uVol";
  E4_space_4_space_1_space_8.sbmlRole="species";
  E4_space_4_space_1_space_8.sbmlCompartment="uVol";
  E2_space_3_space_1_space_46.sbmlRole="species";
  E2_space_3_space_1_space_46.sbmlCompartment="uVol";
  Acetate.sbmlRole="species";
  Acetate.sbmlCompartment="uVol";
  L_minus_Serine.sbmlRole="species";
  L_minus_Serine.sbmlCompartment="uVol";
  O_minus_Acetyl_minus_L_minus_serine.sbmlRole="species";
  O_minus_Acetyl_minus_L_minus_serine.sbmlCompartment="uVol";
  L_minus_Cysteine.sbmlRole="species";
  L_minus_Cysteine.sbmlCompartment="uVol";
  Hydrogen_space_sulfide.sbmlRole="species";
  Hydrogen_space_sulfide.sbmlCompartment="uVol";
  L_minus_Homocysteine.sbmlRole="species";
  L_minus_Homocysteine.sbmlCompartment="uVol";
  Cystathionine.sbmlRole="species";
  Cystathionine.sbmlCompartment="uVol";
  L_minus_Homoserine.sbmlRole="species";
  L_minus_Homoserine.sbmlCompartment="uVol";
  O_minus_Succinyl_minus_L_minus_homoserine.sbmlRole="species";
  O_minus_Succinyl_minus_L_minus_homoserine.sbmlCompartment="uVol";
  R00897.sbmlRole="rate";
  R00897.kf.sbmlRole="rate";
  R00897.kb.sbmlRole="rate";
  R01285.sbmlRole="rate";
  R01285.kf.sbmlRole="rate";
  R01285.kb.sbmlRole="rate";
  R01777.sbmlRole="rate";
  R01777.kf.sbmlRole="rate";
  R01777.kb.sbmlRole="rate";
  R00586.sbmlRole="rate";
  R00586.kf.sbmlRole="rate";
  R00586.kb.sbmlRole="rate";
}