2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside SIMPLE_MOLECULE CO2 inside SIMPLE_MOLECULE Spermidine inside SIMPLE_MOLECULE L_minus_Arginine inside SIMPLE_MOLECULE Urea inside SIMPLE_MOLECULE _space_S_space__minus_1_minus_Pyrroline_minus_5_minus_carboxylate inside SIMPLE_MOLECULE L_minus_Proline inside SIMPLE_MOLECULE L_minus_Ornithine inside SIMPLE_MOLECULE Putrescine STATE_TRANSITION Urea CO2 c3 c0 STATE_TRANSITION L_minus_Arginine L_minus_Ornithine c2 c6 c3 STATE_TRANSITION L_minus_Proline _space_S_space__minus_1_minus_Pyrroline_minus_5_minus_carboxylate c5 c4 STATE_TRANSITION Putrescine Spermidine c7 c1