2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside PROTEIN p2 inside PROTEIN p3 inside SIMPLE_MOLECULE O_minus_D_minus_Alanyl_minus_poly_space_ribitol_space_phosphate_space_ inside SIMPLE_MOLECULE Pyruvate inside SIMPLE_MOLECULE D_minus_Alanine inside SIMPLE_MOLECULE D_minus_Alanyl_minus_D_minus_alanine inside SIMPLE_MOLECULE L_minus_Alanine STATE_TRANSITION L_minus_Alanine D_minus_Alanine c4 c2 STATE_TRANSITION D_minus_Alanine Pyruvate c2 c1 STATE_TRANSITION D_minus_Alanine O_minus_D_minus_Alanyl_minus_poly_space_ribitol_space_phosphate_space_ c2 c0 STATE_TRANSITION D_minus_Alanine D_minus_Alanyl_minus_D_minus_alanine c2 c3