2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside SIMPLE_MOLECULE Acetyl_minus_CoA inside SIMPLE_MOLECULE Acetate inside SIMPLE_MOLECULE Acetyl_space_phosphate STATE_TRANSITION Acetyl_minus_CoA Acetyl_space_phosphate c0 c2 STATE_TRANSITION Acetate Acetyl_space_phosphate c1 c2