Institution: | (1) Department of Molecular Biology, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan Fax: +81-52-789-3001; e-mail: i45346a@nucc.cc.nagoya-u.ac.jp, JP;(2) E. C. Slater Institute, BioCentrum, University of Amsterdam, Plantage Muidergracht 12, 1018 TV Amsterdam, The Netherlands, NL |