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Branched antimicrobial peptides
Authors:Khrushchev A Iu  Kashparov I A  Klimenko L V  Mitin Iu V
Abstract:Branched peptides E(RLAR)2, EE(RLAR)2]2, E(KLAR)2, and EE(KLAR)2]2 were synthesized on the basis of tetrapeptides RLAR and KLAR and glutamic acid bis(pentafluorophenyl) ester. Their minimal antimicrobial concentrations were shown to decrease along with increase in branching, achieving 12 microM for Escherichia coli cells, which is comparable to antimicrobial activities of temporin, magainin, and dermaseptin. The branched peptides were found not to act on human erythrocytes.
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