L-lupinate + acetate + H(+) => zeatin + O-acetyl-L-serine
l-lupinate + acetate + h(+) => zeatin + o-acetyl-l-serine
L-lupinate + acetate + H(+) => zeatin + O-acetyl-L-serine
l-lupinate + acetate + h(+) => zeatin + o-acetyl-l-serine