1. Institute of Biological Chemistry, Washington State University, Pullman, Washington 99164–6340 (A.J.C., H.W., T.W.O.); Department of Life Science, Yamaguchi Prefectural University, Yamaguchi 753–8502, Japan (M.O.); and Institute of Genetic Resources, Faculty of Agriculture, Kyushu University, Hakozaki, Fukuoka 812–8581, Japan (T.K., H.S.)