[1] HOKKAIDO UNIV,FAC PHARMACEUT SCI,SAPPORO,HOKKAIDO 060,JAPAN
[2] YOKOHAMA NATL UNIV,FAC ENGN,HODOGAYA KU,YOKOHAMA,KANAGAWA 240,JAPAN
[3] UNIV MONTREAL,DEPT BIOCHIM,MONTREAL H3C 3J7,QUEBEC,CANADA
[4] MAX PLANCK INST EXPTL MED,CHEM ABT,W-3400 GOTTINGEN,GERMANY
[5] CSIRO,DIV PLANT IND,INST PLANT PROD & PROC,CANBERRA,ACT 2601,AUSTRALIA
[6] UNIV ADELAIDE,DEPT BIOCHEM,ADELAIDE,SA 5000,AUSTRALIA