2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside SIMPLE_MOLECULE Propanoate inside SIMPLE_MOLECULE Propanoyl_space_phosphate inside SIMPLE_MOLECULE Acetyl_minus_CoA inside SIMPLE_MOLECULE _space_2_minus_Oxobutanoate inside SIMPLE_MOLECULE Propanoyl_minus_CoA inside SIMPLE_MOLECULE Acetoacetyl_minus_CoA inside SIMPLE_MOLECULE Malonyl_minus_CoA STATE_TRANSITION Propanoyl_minus_CoA _space_2_minus_Oxobutanoate c4 c3 STATE_TRANSITION Propanoate Propanoyl_space_phosphate c0 c1 STATE_TRANSITION Acetyl_minus_CoA Acetoacetyl_minus_CoA c2 c5 STATE_TRANSITION Acetyl_minus_CoA Malonyl_minus_CoA c2 c6