2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside SIMPLE_MOLECULE _space_4_minus_Nitrophenol inside SIMPLE_MOLECULE _space_4_minus_Nitrophenyl_space_phosphate inside SIMPLE_MOLECULE Quinone STATE_TRANSITION _space_4_minus_Nitrophenyl_space_phosphate _space_4_minus_Nitrophenol c1 c0 STATE_TRANSITION _space_4_minus_Nitrophenol Quinone c0 c2