tRNA(Ser) + L-serine + ATP => L-seryl-tRNA(Ser) + AMP + diphosphate + H(+)
trna(ser) + l-serine + atp => l-seryl-trna(ser) + amp + diphosphate + h(+)
tRNA(Ser) + L-serine + ATP => L-seryl-tRNA(Ser) + AMP + diphosphate + H(+)
trna(ser) + l-serine + atp => l-seryl-trna(ser) + amp + diphosphate + h(+)