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

  // Compartments and Species:
  compartment cell;
  species D in cell, DR in cell, DRG_GDP in cell, G_GDP in cell, DRG in cell;
  species GDP in cell, DRG_GTP in cell, GTP in cell, G_GTP in cell, R in cell;

  // Reactions:
  Reaction_1: D + R -> DR; cell*(Reaction_1_k1*D*R - Reaction_1_k7*DR);
  Reaction_2: DR + G_GDP -> DRG_GDP; cell*(Reaction_2_k2*DR*G_GDP - Reaction_2_k8*DRG_GDP);
  Reaction_3: DRG_GDP -> GDP + DRG; cell*(Reaction_3_k3*DRG_GDP - Reaction_3_k9*GDP*DRG);
  Reaction_4: DRG + GTP -> DRG_GTP; cell*(Reaction_4_k4*DRG*GTP - Reaction_4_k10*DRG_GTP);
  Reaction_5: DRG_GTP => G_GTP + DR; cell*Reaction_5_k5*DRG_GTP;
  Reaction_6: G_GTP => G_GDP; cell*Reaction_6_k6*G_GTP;

  // Species initializations:
  D = 3.1e-005;
  DR = 0;
  DRG_GDP = 0;
  G_GDP = 1e-006;
  DRG = 0;
  GDP = 0;
  DRG_GTP = 0;
  GTP = 1e-005;
  G_GTP = 0;
  R = 1e-010;

  // Compartment initializations:
  cell = 1;

  // Variable initializations:
  Reaction_1_k1 = 5000000;
  Reaction_1_k7 = 10;
  Reaction_2_k2 = 100000000;
  Reaction_2_k8 = 0.1;
  Reaction_3_k3 = 5;
  Reaction_3_k9 = 100000;
  Reaction_4_k4 = 5000000;
  Reaction_4_k10 = 55;
  Reaction_5_k5 = 1;
  Reaction_6_k6 = 2;

  // Other declarations:
  const cell;

  // Display Names:
  Reaction_1 is "Forming DR";
  Reaction_2 is "DR Binding with G_GDP produce DRG_GDP";
  Reaction_3 is "GDP Releasing";
  Reaction_4 is "GTP binding with DRG";
  Reaction_5 is "G protein activation";
  Reaction_6 is "Hydrolysis of GTP to GDP";
end