>tr|A0A243CSX2|A0A243CSX2_BACTU ATP phosphoribosyltransferase regulatory subunit OS=Bacillus thuringiensis serovar vazensis GN=hisZ MTKWKRANPNGTRDYLFEECTLIEEVEQKLRRTFLERGYEEIRTPTIEFYDVFAFQSRPI DEEKMYKFFDEKGRIIVLRPDMTIPLARVVGTQRCDTPLKVTYSGNVFRANESLAGKYNE IVQSGIEVIGIDNVRAEIECVISVIQSLQKLKVQSFTIEIGQVQLYKCIVKKLSIHEEEE KVLRTYIESKNYASLSNFIRDKKLDRCDETVKLLEKLPRLFGNLEVIEEAEKLASSNEMK MAITRVKEIYEAIEKLGYGSYISIDLGMIQHLDYYTGVIFKGYIYEIGEEIVSGGRYDEL IGNFGEMLPAVGLAVQVNQIVKALQEQQEPYERKRIDIMIHYELNRLAEAERLRNLLQKD GKKVALSLFSNLNDTFQFARKNQIVTVVEAKSESLVEYVWKEKWVVQKEGETSCVTFKLR