FIELD: biotechnology; medicine.
SUBSTANCE: disclosed is an isolated isoform of Atlantic cod trypsin ZT containing the amino acid sequence SEQ ID NO: 2 or amino acid sequence with sequence homology of 99% or more, a medical composition based thereon and a method of treating diseases caused by picornaviruses, which involves administering a therapeutically effective amount of the composition.
EFFECT: new isoform of trypsin ZT is better adapted for cleavage of peptides containing several sequential basic amino acid residues Arg and Lys, has specific antiviral activity.
11 cl, 5 dwg, 4 tbl, 6 ex
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