FIELD: chemistry.
SUBSTANCE: invention relates to biologically active peptide complexes with immunomodulating and antiviral activity. The disclosed peptide complexes have a three-dimensional structure 
wherein X1 is absent or contains at least 1 amino acid; R1 and R2 are peptide chains which contain amino acid residues, His or Cys, capable of reacting with transition metal ions, wherein R1 contains up to 5 amino acid residues or is absent; R2 contains up to 3 amino acid residues or is absent.
EFFECT: peptide complexes rich in histidine and, primarily alloferon peptides with Zn ions, enable to produce preparations with a directed mechanism of action and enable their design in accordance with the understanding of the structure of the medicinal target.
3 cl, 7 dwg, 2 tbl, 6 ex
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