>sp|Q8RBH4|HUTH_CALS4 Histidine ammonia-lyase OS=Caldanaerobacter subterraneus subsp. tengcongensis GN=hutH MKKVVIDGNNLTIEDVVKVARDKWEVVLSEVAKERIVHSREIVDRYVKEGKVVYGITTGF GKFSDVVISKEDTEALQKNLIMSHSCAVGDPLPEEVVRAIMLLRANALAKGFSGVRLETV ETLIEMINKNVVPVIPEKGSLGASGDLAPLAHMVLVMIGRGEAFYAGERVSGEEAMRRAG IPTITLSSKEGLALINGTQVMSALGCLNVYDAKRIIAVADAVASITLEALRGIIDAFDDR VQMVRPHKGQIVSAKNVRKMVEGSELITRQGEIRVQDAYTLRCIPQVHGAVRDAISYIER VLGVEINSATDNPLIFPDDGEVISGGNFHGEPVALAMDFLSIALSEIANISERRIERLVN YQLNDLPPFLTEKGGLNSGMMIAQYTAASLVSENKVLSHPASVDSIPSSANQEDHVSMGT IAARKAREVLKNVTTVLAIELLTASQALEFRKGFKRGKGTDRIYRLVREKVNPLVEDREL YIDINACFDIIRSGRIEEVLKEEGIMLE