| 摘要 |
The present invention relates to a peptide comprising or consisting of a sequence of formula I A-B-C-D-E-F-G-H-I (formula I), wherein A is a peptide consisting of three or four basic amino acid residues; B is a peptide consisting of two to four hydrophobic amino acid residues; C is an amino acid residue selected from the group consisting of hydrophobic and basic amino acid residues; D is a peptide consisting of two hydrophobic amino acid residues; E is an amino acid residue selected from the group consisting of hydrophobic and basic amino acid residues; F is a peptide consisting of three amino acid residues selected from the group consisting of glycine and hydrophobic amino acid residues; G is an amino acid residue selected from the group consisting of hydrophobic and basic amino acid residues; H is a peptide consisting of two or three amino acid residues selected from the group consisting of serine and hydrophobic amino acid residues; I is a peptide consisting of two to four basic amino acid residues; or a peptidomimetic thereof, wherein the basic amino acid residues are selected from the group consisting of arginine, lysine and histidine; wherein the hydrophobic amino acid residues are selected from the group consisting of leucine, alanine, isoleucine, valine and phenylalanine; and wherein said peptide or peptidomimetic has antimicrobial and/or antiviral activity. Furthermore, the invention relates to a nucleic acid molecule encoding the peptide of the invention, a vector comprising the nucleic acid molecule as well as a host cell comprising the nucleic acid molecule or the vector. The present invention also relates to a method for producing the peptide of the invention, a composition comprising the peptide or peptidomimetic of the invention as well as to the peptide or peptidomimetic of the invention for use in treating infectious diseases. |
