| abstract |
The subject of the present invention is to provide a compound with significantly higher antiviral activity than iHA100, an intermediate for producing the compound, a drug containing the above-mentioned highly active compound, and the like. The solution of the present invention is a hemagglutinin-binding peptide, a pharmaceutically acceptable salt thereof, or a solvate thereof, which is related to: (1) the amino acid represented by SEQ ID NO: 1 or 2 Polypeptides composed of sequences: Trp-Thr-MeGly-Asp-MePhe-MePhe-Ala-MeAla-His-Tyr-Thr-Val-hydPro-Ala-Cys (SEQ ID NO: 1), Trp-Thr-MeGly-Asp-MePhe -MePhe-Ala-MeAla-His-Tyr-Thr-Val-hydPro-Ala-Cys-Lys (SEQ ID NO: 2) and the like. |