| 摘要 |
PROBLEM TO BE SOLVED: To provide a peptide which can be used for preventing and treating infectious diseases and for reducing their occurrence rates in the medical treatment field and in the environmental hygienics field, and to provide an antibacterial composition and an antibacterial medicine each containing the peptide.SOLUTION: There is provided the peptide represented by formula [I]: Ile-Leu-Arg-X1-X2-X3-X4-X5-X6-Arg-Arg-X7-(X8)n [wherein, X1 is Trp or thiotryptophane (Ws), X2 is Pro or Ala; X3 is Trp or Ws; X4 is Trp, Ws or Lys; X5 is Pro or Ala; X6 is Trp or Ws; X7 is Lys or Trp; X8 is Ala-X9-Ala-Ala (X9 is Ala or Arg); n is 0 or 1; the amino acids are L-isomers or D-isomers; when X1, X3, X4 and X6 are each Trp; X2 and X5 are each Pro; X7 is Lys; and the amino acids are L-isomers, n is 1]. |
