phosphoribosylaminoimidazolesuccinocarboxamide synthase activity https://github.com/geneontology/go-ontology/issues/30193 4-(N-succinocarboxamide)-5-aminoimidazole synthetase activity KEGG_REACTION:R04591 4-[(N-succinylamino)carbonyl]-5-aminoimidazole ribonucleotide synthetase activity RHEA:22628 4-((N-succinylamino)carbonyl)-5-aminoimidazole ribonucleotide synthetase activity 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate:L-aspartate ligase (ADP-forming) SAICAR synthase activity MetaCyc:SAICARSYN-RXN EC:6.3.2.6 SAICARs activity 5-aminoimidazole-4-N-succinocarboxamide ribonucleotide synthetase activity molecular_function GO:0004639 SAICAR 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. phosphoribosylaminoimidazolesuccinocarboxamide synthetase activity Reactome:R-HSA-73805 phosphoribosylaminoimidazole-succinocarboxamide synthase activity PurC phosphoribosylaminoimidazole-succinocarboxamide synthetase activity acid-amino acid ligase activity