>sp|C3NFX3|SYH_SULIN Histidine--tRNA ligase OS=Sulfolobus islandicus GN=hisS MTKFETVRGMKDYIGIDAEKIRYLESTFRDLAIKYGYSEIITPVVEEFKLFALKGGEELR ETMYVFKDKADRELSLRPEITPSVARAYIQNLQSSPKPIRLFYFGTVYRYDEPQYGRYRE FRQAGIEMIGDSSILADLEVLDLLYNFYDKLNLSNDITIKINNIGIFRKIMDKYNIEDNL QEHILHLIDKNKINEALDILEKNLKNKDIIDFFYKILTKKDTKLEDIESLAELEEVSRLD IKSEFLYLFRLSRILSDLNIKFKIDLGFVRGLAYYTGLIFEVLHPSVQFSIAGGGRYDKL IELYGGLPSPAIGFAIGVERTLLVIKDLKVEEPVNVIVIGMSEDTIPSMFMVSRILRKEE YKVVINTKDQPLSKLLPYYASQGFKVAIIIGKQELEKNMITVRNLITRKQISVPLENIED AIKQTL