Author's Organization:Faculty of Pharmaceutical Sciences, University of Chiba Faculty of Pharmaceutical Sciences, University of Chiba Faculty of Pharmaceutical Sciences, University of Chiba Faculty of Pharmaceutical Sciences, University of Chiba Department of Developmental Biology, Research School of Biological Sciences
Lupinic acid (III), a metabolite of the phytohormone zeatin (I), was synthesized from O-acetyl-L-serine (II) and zeatin by an enzyme in higher plants. Some properties of the enzyme are described.