5.4.99.18

N5-carboxyaminoimidazole ribonucleotide mutase
Phosphoribosylaminoimidazole carboxylase catalytic subunit (NCBI)
N5-carboxyaminoimidazole ribonucleotide mutase
phosphoribosylaminoimidazole carboxylase = AIR carboxylase, catalytic subunit (RefSeq)