>sp|A4WIN2|SYH_PYRAR Histidine--tRNA ligase OS=Pyrobaculum arsenaticum GN=hisS MTGLPDQLRRPVRGMRDWMPQQLYALRRMEEVLSSVAEQYGYRRVETPVVEHFEVLAKKA GQEVINEIYYFRDKAGRELGLRFDMTVPIARVLSYNLDLPRPVRWYYFSKVFRYDEPQHG RYREFFQFGVELIGSASPRADAEVVQLLAASLEAAGASKYVIRINDRRAVDKLLESLGAL SHRDAVYRALDKKLKLPREEVIGIMTSGGLPRDAAEKIYDTASEMSLDEAVEVLRRLDGR LGEAYAKFVKYLEAAVPLERFKFDMSIVRGLDYYTGVVFEAFVGDYWLAVGGGGRYDDLL ELYSGVKIPALGFAIGVERLMEAVGLQSVEKPLDYYIYIFDDDAYKHAVALANRLRKQGH SVVVELGEKNLKDVFEYVLKIGTRYLVLIGRKELEKGVVKIRDLQKRGEVEVPLSALLS