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Amphibian skin is a rich and unique source of novel bioactive peptides most of which are endowed with either antimicrobial or pharmacological properties. Here, we report the identification and structural characterization of a novel peptide, named senegalin, which possesses both activities. Senegalin is a hexadecapeptide amide (FLPFLIPALTSLISSL-NH2) of unique primary structure found in the skin secretion...
Sauvagine is a potent and broad-spectrum biologically active peptide of 40 amino acid residues originally isolated from the skin of the South American frog, Phyllomedusa sauvagei. Since its discovery, no additional sauvagine structures have been reported. Following the discovery of sauvagine, peptides with similar primary structures/activities were identified in mammalian brain [corticotropin-releasing...
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