hisS 429 MKLQKPKGTQDILPAESAKWQYVEGFAREIFKRYNYAEVRTPIFEHYEVISRSVGDTTDIVTKEMYDFYDKGDRHITLRPEGTAPVVRSYVENKLFAPEVQKPSKFYYMGPMFRYERPQAGRLRQFHQIGVECFGSSNPATDVETIAMAAHFLKEIGIQGVKLHLNTLGNPESRAAYRQALIDYLTPLKETLSKDSQRRLEENPLRVLDSKEKEDKVAVENAPSILDFLDEESQTHFDAVRQMLENLGVDYIIDTNMVRGLDYYNHTIFEFITEIEGNDLTVCAGGRYDGLVAYFGGPETAGFGFGLGVERLLLILEKQGVALPIENALDVYIAVLGDGANVKALELVQALRQQGFKAERDYLNRKLKAQFKSADVFAAKTLITLGESEVESGQVTVKNNQTREEVQVSLETISQNFSEIFEKLGFYTQ spr1931 SYH_STRR6 Histidyl-tRNA synthetase Histidine--tRNA ligase