2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside SIMPLE_MOLECULE _space_S_space__minus_3_minus_Hydroxy_minus_3_minus_methylglutaryl_minus_CoA inside SIMPLE_MOLECULE Acetoacetyl_minus_CoA inside SIMPLE_MOLECULE Acetyl_minus_CoA STATE_TRANSITION Acetyl_minus_CoA Acetoacetyl_minus_CoA c2 c1 STATE_TRANSITION _space_S_space__minus_3_minus_Hydroxy_minus_3_minus_methylglutaryl_minus_CoA Acetyl_minus_CoA c0 c2 c1