2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside PROTEIN p4 inside PROTEIN p5 inside SIMPLE_MOLECULE _space_5_space_10_minus_Methenyltetrahydrofolate inside SIMPLE_MOLECULE Tetrahydrofolate inside SIMPLE_MOLECULE _space_5_minus_Formyltetrahydrofolate inside SIMPLE_MOLECULE Dihydrofolate inside SIMPLE_MOLECULE _space_5_space_10_minus_Methylenetetrahydrofolate inside SIMPLE_MOLECULE Folic_space_acid inside SIMPLE_MOLECULE _space_10_minus_Formyltetrahydrofolate STATE_TRANSITION _space_5_minus_Formyltetrahydrofolate _space_5_space_10_minus_Methenyltetrahydrofolate c2 c0 STATE_TRANSITION Folic_space_acid Dihydrofolate c5 c3 STATE_TRANSITION _space_5_space_10_minus_Methenyltetrahydrofolate _space_10_minus_Formyltetrahydrofolate c0 c6 STATE_TRANSITION _space_5_space_10_minus_Methylenetetrahydrofolate _space_5_space_10_minus_Methenyltetrahydrofolate c4 c0 STATE_TRANSITION _space_10_minus_Formyltetrahydrofolate Tetrahydrofolate c6 c1 STATE_TRANSITION Dihydrofolate Tetrahydrofolate c3 c1 STATE_TRANSITION _space_5_space_10_minus_Methylenetetrahydrofolate Tetrahydrofolate c4 c1