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Tachyplesin I trifluoroacetate salt
H-Lys-Trp-Cys-Phe-Arg-Val-Cys-Tyr-Arg-Gly-Ile-Cys-Tyr-Arg-Arg-Cys-Arg-NH₂ trifluoroacetate salt (Disulfide bonds between Cys³ and Cys¹⁶/Cys⁷ and Cys¹²)


Product No. Pack Size Available ADS InfoAnalytical Data Sheet List Price Online Order Price Qty
4030734.0500 0.5 mg Ships within 3-5 business days  
CHF 472.00
CHF 438.96 (7%)
4030734.1000 1 mg Ships within 1 business day ADSExemplary Data Sheet of a current available lot.
CHF 852.00
CHF 792.36 (7%)


Tachyplesin I is an antimicrobial peptide originally detected in the extract of hemocytes from the Japanese horseshoe crab. It inhibits the growth of both Gramnegative and -positive bacteria and forms a complex with bacterial lipopolysaccharides. These results suggest that this peptide belongs to the family of arthropodous peptide antibiotics. Furthermore this peptide has been shown to have antiviral activity against vesicular stomatitis virus, influenza A virus and HIV-1.
Catalog Number H-1202
Molecular Formula C₉₉H₁₅₁N₃₅O₁₉S₄
Relative Molecular Mass 2263.78
CAS Registry Number 118231-04-2
Source Synthetic
Storage Conditions -20 ± 5 °C
Keywords Crustacean antimicrobial and antiviral peptide