2.2 SQUARE inside PROTEIN p0 inside SIMPLE_MOLECULE L_minus_Gulonate inside SIMPLE_MOLECULE L_minus_Dehydroascorbate inside SIMPLE_MOLECULE L_minus_Arabinonate inside SIMPLE_MOLECULE _space_2_space_3_minus_Dioxo_minus_L_minus_gulonate inside SIMPLE_MOLECULE L_minus_Gulono_minus_1_space_4_minus_lactone inside SIMPLE_MOLECULE L_minus_Arabino_minus_1_space_5_minus_lactone STATE_TRANSITION L_minus_Dehydroascorbate _space_2_space_3_minus_Dioxo_minus_L_minus_gulonate c1 c3 STATE_TRANSITION L_minus_Gulono_minus_1_space_4_minus_lactone L_minus_Gulonate c4 c0 STATE_TRANSITION L_minus_Arabinonate L_minus_Arabino_minus_1_space_5_minus_lactone c2 c5