cupiennin-1d |
cuprophilic cells |
KKRLKKIFKKPMVIGVTIPF |
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Cupiennins constitute of family of antimicrobial peptides (35 amino acids, Cupiennin-1a (GFGALFKFLAKKVAKTVAKQAAKQGAKYVVNKQMEamide), Cupiennin-1b (GFGSLFKFLAKKVAKTVAKQAAKQGAKYIANKQME), Cupiennin-1c (GFGSLFKFLAKKVAKTVAKQAAKQGAKYIANKQTE), Cupiennin-1d (GFGSLFKFLAKKVAKTVAKQAAKQGAKYVANKHME) isolated from the venom of the spider Cupiennius salei.
Cupiennin-1a and Cupiennin-1d are antimicrobial at submicromolar minimal inhibitory concentrations. Their hemolytic effect on human erythrocytes is 8-14 times lower than that of melittin. All four
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