Peptides of about 20 amino acid residues with antimicrobial activity, found in amphibian skin. Probably have membrane insertion and lytic properties. Sequence related to melittin.
Dictionary of molecular biology. 2004.
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Beta-peptide — β peptides consist of β amino acids, which have their amino group bonded to the β carbon rather than the α carbon as in the 20 standard biological amino acids. The only commonly naturally occurring β amino acid is β alanine; although it is used… … Wikipedia
ma|gain|in — «muh GAY nihn», noun. any one of a group of broad spectrum antibiotics obtained from secretions in the skin of certain species of frogs: »The magainins…kill bacteria, funguses, the yeast that often infects AIDS patients, and protozoans like those … Useful english dictionary