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