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Pardaxin This family consists of several Pardaxin proteins. Pardaxin, a 33-amino-acid pore-forming polypeptide toxin isolated from the Red Sea Moses sole Pardachirus marmoratus, has a helix-hinge-helix structure. This is a common structural motif found both in antibacterial peptides that can act selectively on bacterial membranes (e.g., cecropin), and in cytotoxic peptides that can lyse both mammalian and bacterial cells (e.g., melittin). Pardaxin possesses a high antibacterial activity with a significantly reduced haemolytic activity towards human red blood cells compared with melittin. Pardaxin has also been found to have a shark repellent action.
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Jiyao W et al.(2023). "The conserved domain database in 2023.",