>4ay4_C mol:protein length:181 N5-CARBOXYAMINOIMIDAZOLE RIBONUCLEOTIDE MUTASEMGSSHHHHHHSSGLVPRGSHMKSLVGVIMGSTSDWETMKYACDILDELNIPYEKKVVSAHRTPDYMFEYAETARERGLKVIIAGAGGAAHLPGMVAAKTNLPVIGVPVQSKALNGLDSLLSIVQMPGGVPVATVAIGKAGSTNAGLLAAQILGSFHDDIHDALELRREAIEKDVREGSELV