Patent ID: 8808712

Claim:
A polypeptide as set forth in formula (1): X 1 -A-B-X 2 -Y-X 3 -(Y)n-X 4 -(Y)n-X 5 (1) wherein X 1 represents the 1st to 7th amino acid residues in a polypeptide set forth in SEQ ID NO: 1; X 2 represents the 73th to 177th amino acid residues of the polypeptide set forth in SEQ ID NO: 1; X 3 represents the 178th to 258th amino acid residues of the polypeptide set forth in SEQ ID NO: 1; X 4 represents the 259th to 289th amino acid residues of the polypeptide set forth in SEQ ID NO: 1; X 5 represents the 290th to 334th amino acid residues of the polypeptide set forth in SEQ ID NO: 1; A represents an 8-mer repeat sequence contained in a 47-kd region of a SERA polypeptide of Plasmodium falciparum; B represents the amino acid sequence set forth in SEQ ID NO: 9; Y represents any one selected from A-A, A-B, and B; and n represents an integer of 0 or 1.