>d1b6sc3 d.142.1.2 (C:79-276) N5-carboxyaminoimidazole ribonucleotide synthetase, AIRC, PurK {Escherichia coli} drltqkqlfdklhlptapwqllaersewpavfdrlgelaivkrrtggydgrgqwrlrane teqlpaecygeciveqginfsgevslvgargfdgstvfyplthnlhqdgilrtsvafpqa naqqqaraeemlsaimqelgyvgvmamecfvtpqgllinelaprvhnsghwtqngasisq felhlraitdlplpqpvv