>tr|A0A8E3U500|A0A8E3U500_STEMA Histidine biosynthesis bifunctional protein HisB OS=Stenotrophomonas maltophilia GN=hisB MTPILFIDRDGTLIEEPSDFQIDAYEKLRFVPQVIPALLKLRDAGYQFVIVTNQDGLGSD SYPRASFDGPNELMLQIFESQGITFRDVLIDCSWPQDNAPTRKPGIGLMTAYLQDRSIDW ARSGMVGDRITDLQFAENLNIRGFQLRTEQFGGEWDWPGIAHALADAPRIAVVQRDTKET KIRVELDLDRAGDARIDTGLPFFDHMLEQIGKHGGFALDIQAEGDLHIDEHHTIEDTGLA LGQALREALGDKRGIGRYGFTLPMDETLASAALDFSGRPYFVFEGEFKRERVGDMPTELV PHFFRSLCDASGLNLNLQVRGDNDHHKVEACFKALARALRPALARQGTALPTTKGAL