2.2 SQUARE inside PROTEIN p0 inside SIMPLE_MOLECULE _space_2_minus_Dehydro_minus_3_minus_deoxy_minus_D_minus_arabinonate inside SIMPLE_MOLECULE _space_4S_space__minus_5_minus_Hydroxy_minus_2_space_4_minus_dioxopentanoate STATE_TRANSITION _space_4S_space__minus_5_minus_Hydroxy_minus_2_space_4_minus_dioxopentanoate _space_2_minus_Dehydro_minus_3_minus_deoxy_minus_D_minus_arabinonate c1 c0