>d1b6sb3 d.142.1.2 (B:79-276) N5-carboxyaminoimidazole ribonucleotide synthetase, AIRC, PurK {Escherichia coli} drltqkqlfdklhlptapwqllaersewpavfdrlgelaivkrrtggydgrgqwrlrane teqlpaecygeciveqginfsgevslvgargfdgstvfyplthnlhqdgilrtsvafpqa naqqqaraeemlsaimqelgyvgvmamecfvtpqgllinelaprvhnsghwtqngasisq felhlraitdlplpqpvv