>tr|A0A124FCS9|A0A124FCS9_9THEO Histidine biosynthesis bifunctional protein HisIE OS=Caldanaerobacter subterraneus GN=hisI MIDIKELKFDEKGLIPAIVQDYYTKQVLMLAYMNEESLKLTLEKGETYFFSRSRGKIWHK GETSGNTQKVKKIFYDCDEDALLIQVEAKGPACHTGNISCFYRSFDEETEDGIEILNKLY ERIKGRKINPVEGSYTNYLFEKGIDKILKKVGEEATEVVIASKNDSKDEIVYEVSDLIYH LMVLLVEKNITLNDIYNELERRYKK