preferred_name: tRNA(Lys) + L-threonine => L-threonyl-tRNA(Lys) + H2O
preferred_name_lc: trna(lys) + l-threonine => l-threonyl-trna(lys) + h2o
label: tRNA(Lys) + L-threonine => L-threonyl-tRNA(Lys) + H2O
label_lc: trna(lys) + l-threonine => l-threonyl-trna(lys) + h2o