Melittin, a promiscuous peptide from Apis mellifera
Warning - really scientific stuff, no dumbing this down
Structural and Functional Characterization of a Multifunctional Alanine-Rich Peptide Analogue from Pleuronectes americanus
For melittin, a promiscuous peptide from Apis mellifera , it was demonstrated that mutations of arginine and lysine residues changed the total activity, with a major effect on toxicity to mammalian cells, reducing 8-fold the activity of the peptide after modification .
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