| abstract |
The polypeptide of the present invention is derived from bovine leukemia virus, which is a CD4-positive T cell epitope, and (a) consists of 11 to 50 amino acids in the amino acid sequence shown in SEQ ID NO: 1, and 22 A polypeptide comprising the thirty-first to thirty-first amino acids, or (b) a polypeptide comprising the 20th to 50th amino acids in the amino acid sequence shown in SEQ ID NO: 2 and comprising the 31st to 50th amino acids Etc. |