2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside SIMPLE_MOLECULE D_minus_threo_minus_2_space_4_minus_Diaminopentanoate inside SIMPLE_MOLECULE L_minus_Alanine inside SIMPLE_MOLECULE _space_2_minus_Amino_minus_4_minus_oxopentanoate STATE_TRANSITION _space_2_minus_Amino_minus_4_minus_oxopentanoate L_minus_Alanine c2 c1 STATE_TRANSITION D_minus_threo_minus_2_space_4_minus_Diaminopentanoate _space_2_minus_Amino_minus_4_minus_oxopentanoate c0 c2