>4AY4_1|Chains A, B, C, D|N5-CARBOXYAMINOIMIDAZOLE RIBONUCLEOTIDE MUTASE|BACILLUS ANTHRACIS (1392) MGSSHHHHHHSSGLVPRGSHMKSLVGVIMGSTSDWETMKYACDILDELNIPYEKKVVSAHRTPDYMFEYAETARERGLKVIIAGAGGAAHLPGMVAAKTNLPVIGVPVQSKALNGLDSLLSIVQMPGGVPVATVAIGKAGSTNAGLLAAQILGSFHDDIHDALELRREAIEKDVREGSELV