1. Laboratory of Biochemstry and Bioscience, The United Graduate School of Agricultural Sciences, Kagoshima University; Korimoto Kagoshima 890-0065 Japan
2. Joint Faculty of Veterinary Medicine; Kagoshima University; Korimoto Kagoshima 890-0065 Japan
3. Faculty of Agriculture; Kagoshima University; Korimoto Kagoshima 890-0065 Japan
4. Alliance Protein Laboratories; 6042 Cornerstone Court West, Suite A San Diego California 92121