FIELD: biochemistry, medicine.;SUBSTANCE: invention relates to two forms of peptide isolated from annelid worm (Arenicola marina) eliciting the broad spectrum of antibacterial effect. Indicated forms differ by a single amino acid residue at position 10 wherein at position 10 arenicin-1 has Val and arenicin-2 has Ile. Invention provides expanding assortment of antibacterial agents.;EFFECT: valuable medicinal properties of peptides.;1 tbl, 3 dwg, 4 ex
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机译：发明领域：本发明涉及分离自两种形式的肽，该肽从能引起广谱抗菌作用的线虫（Arenicola marina）中分离。所示形式的区别在于位置10的单个氨基酸残基，其中位置10的arenicin-1具有Val，arenicin-2具有Ile。本发明提供了扩展种类的抗菌剂。效果：肽的有价值的医学特性。1 tbl，3 dwg，4 ex
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