Molecular function

4-((N-succinylamino)carbonyl)-5-aminoimidazole ribonucleotide synthetase activity, 4-(N-succinocarboxamide)-5-aminoimidazole synthetase activity, 4-[(N-succinylamino)carbonyl]-5-aminoimidazole ribonucleotide synthetase activity, 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate:L-aspartate ligase (ADP-forming), 5-aminoimidazole-4-N-succinocarboxamide ribonucleotide synthetase activity, PurC, SAICAR synthase activity, SAICAR synthetase activity, SAICARs activity, phosphoribosylaminoimidazole-succinocarboxamide synthase activity, phosphoribosylaminoimidazole-succinocarboxamide synthetase activity, phosphoribosylaminoimidazolesuccinocarboxamide synthetase activity

Catalysis of the reaction: 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate + ATP = (2S)-2-[5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamido]succinate + ADP + 2 H+ + phosphate.