Suggested Reaction 2.3.2.-

Left

(S)-2-[5-Amino-1-(5-phospho-D-ribosyl)imidazole-4- carboxamido]succinate
+Ammonia

Right

1-(5'-Phosphoribosyl)-5-amino-4-imidazolecarboxamide
+2-Aminosuccinic acid

[BiSSCat | GREP ]