GO:0004638

phosphoribosylaminoimidazole carboxylase activity

Details: 
Catalysis of the reaction: 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + 2 H(+) = 5-amino-1-(5-phospho-D-ribosyl)imidazole + CO(2). [EC:4.1.1.21, RHEA:10795]
Evidence Code: