tRNA(Lys) + L-threonine => L-threonyl-tRNA(Lys) + H2O
trna(lys) + l-threonine => l-threonyl-trna(lys) + h2o
tRNA(Lys) + L-threonine => L-threonyl-tRNA(Lys) + H2O
trna(lys) + l-threonine => l-threonyl-trna(lys) + h2o