Patent ID: 6172192
Filing Date: 2001-01-09
Classification: A61K,A61P,C07K,Y10S

Abstract:
A purified and isolated polypeptide or peptide containing a sequence selected from the group consisting of:(1) an amino acid sequence extending from an amino acid position x to an amino acid position y in the sequence SEQ ID NO 2,wherein x=1 and y=196, or x=1 and y=160, or x=1 and y=145, or x=95 and y=145,(2) a fragment of an amino acid sequence of (1), said fragment comprising at least 7 contiguous amino acids from amino acid 96 through amino acid 196 of SEQ ID NO:2, and(3) an equivalent of an amino acid sequence of (1) or a fragment of (2) wherein said equivalent comprises said amino acid sequence of (1) or said fragment of (2) wherein at least one amino acid of said sequence or fragment has been replaced by an amino acid as shown in Table 1,said polypeptide or peptide containing a reactive epitope which produces at least one of a humoral and a cell-mediated response in a T. gondii infected host organism.