>sp|C4KIQ9|SYH_SULIK Histidine--tRNA ligase OS=Sulfolobus islandicus GN=hisS MTKFETVRGMKDYIGIDAEKIRYLESTFRDLAIKYGYSEIITPVVEEFKLFALKGGEELR ETMYVFKDKADRELSLRPEITPSVARAYIQNLQSSPKPIRLFYFGTVYRYDEPQYGRYRE FRQAGIEMIGDSSILADLEVLDLLYNFYDKLNLSNDITIKINNIGIFRKIMDKYNIEDNL QEHILHLIDKNKINEALDILEKNLKNKDIIDFFNKILTKKDTKLEDIESLAELEEVSRLD IKSEFLYLFRLSRILSNLNIKFKIDLGFVRGLAYYTGLIFEVLHPSVQFSIAGGGRYDKL IELYGGLPSPAIGFAIGVERTLLVIKDLKVEEPVNVIVIGMSEDTIPSMFMVSRILRKEE YKVVINTKDQPLSKLLPYYASQGFKVAIIIGKQELEKNMITVRNLITRKQISVPLENIED AIKQTL