| abstract |
(57) [Abstract] [Object] The present invention provides a peptide useful for inhibiting hepatitis C virus (HCV) infection. [Constitution] X1aa-X2aa-Gln-X3aa-Ile-Gln-L binds to neutralizing antibody in chimpanzee serum that prevents HCV infection The amino acid sequence represented by the formula eu (X1aa, X2aa and X3aa And a vaccine containing the peptide as a main component, an antibody obtained by using the peptide as an immunizing antigen, and a diagnostic and therapeutic agent for HCV using the peptide and the antibody. |