[Term] id: PR:000022903 name: histidine--tRNA ligase def: "A protein that is a translation product of the Escherichia coli K-12 hisS gene or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=gene. synonym: "hisS" EXACT PRO-short-label [PRO:DNx] synonym: "HisRS" BROAD [PRO:DNx] is_a: PR:000000001 ! protein