L-pyrrolysyl-tRNA(Pyl) + AMP + diphosphate => tRNA(Pyl) + L-pyrrolysine + ATP
l-pyrrolysyl-trna(pyl) + amp + diphosphate => trna(pyl) + l-pyrrolysine + atp
L-pyrrolysyl-tRNA(Pyl) + AMP + diphosphate => tRNA(Pyl) + L-pyrrolysine + ATP
l-pyrrolysyl-trna(pyl) + amp + diphosphate => trna(pyl) + l-pyrrolysine + atp