1. Plant Biochemistry Laboratory, Department of Plant Biology (S.B., B.A.H., B.L.M.),
2. Center of Molecular Plant Physiology (PlaCe) (S.B., C.E.O., B.A.H., B.L.M.), Royal Veterinary and Agricultural University, DK–1871 Frederiksberg C, Copenhagen, Denmark
3. Department of Chemistry (C.E.O.), and