1. W.O. McClure and G.M. Edelman: Biochemistry, 5, 1908 (1966).
2. L. Brand and J.R. Gohlke: Ann. Rev. Biochem., 41, 843 (1972).
3. H. Nakatani, K. Shibata, H. Kondo, and K. Hiromi: Biopolymers, 16, 2363 (1977).
4. K. Takeo, Y. Kondo, and T. Kuge: Agric. Biol. Chem., 34, 955 (1970).
5. S. Nishimoto and Y. Nishijima: Ann. Rep. Res. Inst. Chem. Fibers, Jpn., 32(1975).