"tyrosine--tRNA ligase"
"tyrosine--trna ligase"
tRNA(Tyr) + L-tyrosine + ATP = L-tyrosyl-tRNA(Tyr) + AMP + diphosphate + H(+)
trna(tyr) + l-tyrosine + atp = l-tyrosyl-trna(tyr) + amp + diphosphate + h(+)