>6O55_1|Chains A, B, C, D|N5-carboxyaminoimidazole ribonucleotide mutase|Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513) (272624) MAHHHHHHMKPILIGLIMGSQSDWQTLIHAAHTLDALNIGYEAEIVSAHRTPDKLFRYAEQAEARGLEVIIAGAGGAAHLPGMVAAKTSLPVLGVPVMSQTLNGVDSLLSIVQMPAGIPVGTLSIGKAGAINSALFAAAILANKYPDIRAALKHYREQQTQKVLDNPNPKEEKS