Abstract
We examined the antiviral effects of three oligopeptides, carbobenzoxy (Z)-d-Phe-Ile-Gly, Z-d-Leu-Ile-Gly and Z-d-Phe-Phe-Gly, which mimic the N-terminal regions of F1 glycoproteins of two Newcastle disease virus strains (Miyadera and D26) and Sendai virus, respectively. Only one of these peptides, Z-d-Phe-Phe-Gly, significantly and with a similar potency inhibited viruses of homologous and heterologous F1 N-terminal sequences, suggesting no strict sequence requirement for inhibition. Furthermore, the enveloped RNA viruses of several different families showed essentially the same sensitivity to the three peptides as the paramyxoviruses, while a nonenveloped RNA virus was not susceptible to any of them. In addition, the Z-d-Phe-Phe-Gly peptides was effective only when the virus particles had been pretreated before infection.
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Inocencio, N.M., Gotoh, B., Toyoda, T. et al. Evaluation of the antiviral effect of synthetic oligopeptides whose sequences are derived from paramyxovirus F1 N termini. Med Microbiol Immunol 179, 87–94 (1990). https://doi.org/10.1007/BF00198529
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DOI: https://doi.org/10.1007/BF00198529