2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside SIMPLE_MOLECULE Succinate inside SIMPLE_MOLECULE Oxaloacetate inside SIMPLE_MOLECULE Succinyl_minus_CoA inside SIMPLE_MOLECULE _space_S_space__minus_Malate inside SIMPLE_MOLECULE Fumarate STATE_TRANSITION Oxaloacetate _space_S_space__minus_Malate c1 c3 STATE_TRANSITION Fumarate Succinate c4 c0 STATE_TRANSITION _space_S_space__minus_Malate Fumarate c3 c4 STATE_TRANSITION Succinate Succinyl_minus_CoA c0 c2