>d1b6sd3 d.142.1.2 (D:79-276) N5-carboxyaminoimidazole ribonucleotide synthetase, AIRC, PurK {Escherichia coli} drltqkqlfdklhlptapwqllaersewpavfdrlgelaivkrrtggqwrlraneteqlp aecygeciveqginfsgevslvgargfdgstvfyplthnlhqdgilrtsvafpqanaqqq araeemlsaimqelgyvgvmamecfvtpqgllinelaprvhnsghwtqngasisqfelhl raitdlplpqpvv