tRNA(Cys) + L-cysteine + ATP <=> L-cysteinyl-tRNA(Cys) + AMP + diphosphate
trna(cys) + l-cysteine + atp <=> l-cysteinyl-trna(cys) + amp + diphosphate
tRNA(Cys) + L-cysteine + ATP <=> L-cysteinyl-tRNA(Cys) + AMP + diphosphate
trna(cys) + l-cysteine + atp <=> l-cysteinyl-trna(cys) + amp + diphosphate