| abstract |
(57) [Summary] [Object] The present invention provides a novel substantially pure physiologically active peptide having an immunomodulatory activity represented by Toxoplasma intracellular growth inhibitory activity, antitumor activity, antibacterial activity, and antiviral activity. The purpose is to provide. [Composition] Gly-Glu, Pro-Val-Val, Glu-Pro-Val-Val, G lu-Glu-Pro-Val-Val, Ala-Glu-Glu-Pro-Val-Val, Gly-A A substantially pure physiologically active peptide having an amino acid sequence selected from la-Glu-Glu-Pro-Val-Val, a composition containing two or more of these peptides, and one or more of the above peptides and Gly-Glu -Glu-Glu-Glu-Glu, Glu-Glu-Glu-Glu-G A composition containing one or more of substantially pure bioactive peptides having an amino acid sequence selected from lu, Asp-Asp-Asp-Asp-Asp-Asp, Ala-Glu-Glu-Glu-Glu-Glu is provided. .. |