FIELD: peptides.
SUBSTANCE: invention relates to biologically active peptides possessing antibacterial effect that can be used in biotechnology and medicine. Peptide latarcin shows the following amino acids sequence: H2N-Gly1-Phe2-Phe3-Gly4-Lys5-Met6-Lys7-Glu8-Tyr9-Phe10-Lys11-Lys12-X13-Gly14-Ala15-Ser16-Phe17-Lys18-Arg19-Arg20-Phe21-Ala22-Asn23-Leu24-Lys25-Lys26-Arg27-Leu28-NH2 wherein X represents phenylalanine Phe13 or tryptophan Trp13 residue, and possesses the broad spectrum of antibacterial activity and expressed toxic effect with respect to human promyelocyte leukemia. Using the invention allows expanding assortment of natural peptide antibiotics not containing cysteine residues and possessing high antibacterial activity.
EFFECT: valuable medicinal properties of peptide.
2 tbl, 5 dwg, 8 ex
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RU2302466C1 |
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Authors
Dates
2008-03-20—Published
2006-09-06—Filed