1. Graduate School of Chemical
Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
2. Centre de Recherches sur les
Macromolécules Végétales (CERMAV, UPR-CNRS 5301), affiliated with the Université
Joseph Fourier (UJF) and member of the Institute de Chimie Moléculaire
de Grenoble (ICMG, FR-CNRS 2607), BP53, 38041 Grenoble Cedex 9, France
3. Division of Biotechnology and
Macromolecular Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan