>sp|Q5NZX8|HUTH_AROAE Histidine ammonia-lyase OS=Aromatoleum aromaticum GN=hutH MTAVCLHPGRLTLAELRTIAFSDSRLELEPACFPVVARGAATVAAIARSGEPAYGINTGF GRLAQTHIPDDQLELLQKNLVLSHAVGVGEPLSAPTVRLVLALKIASLARGHSGVRMELI NALLGLFNAGVIPRVPSKGSVGASGDLAPLAHLSALLLGIGEAYVDGRHVPATEALAIAG LAPMTLAAKEGLALLNGTQVSTALALVNLFAIETVFRTALVAGALSVDAAAGSFKPFDAR IHALRGQPGQIDAAATYRQLLEGSGINLAHRDCGKVQDPYSLRCQPQVMGACLDQMRHAA RVLLIEANAVSDNPLVFPDSGEVLSGGNFHGEPVAFAADALALAAAEIGALAERRIALLI DATLSGLPPFLVTEGGVNSGFMIAHVTAAALASENKLLAHPASVDSLPTSANQEDHVSMS TFAARKLGELADNTATILAIELLAAAQGVELRAPHRTSPRLQAVLALIRSRVPHYDIDRY FAPDIASIKDEVSAGAFARHCPLSFDSERVADGEASRSATPDDESL