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Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt
H-Asp-Thr-Ala-Ser-Asp-Ala-Ala-Ala-Ala-Ala-Ala-Leu-Thr-Ala-Ala-Asn-Ala-Lys-Ala-Ala-Ala-Glu-Leu-Thr-Ala-Ala-Asn-Ala-Ala-Ala-Ala-Ala-Ala-Ala-Thr-Ala-Arg-OH trifluoroacetate salt


Product No. Pack Size Available ADS InfoAnalytical Data Sheet List Price Online Order Price
4095546.0500 0.5 mg Request lead time  
CHF 179.00
CHF 166.47 (7%)
4095546.1000 1 mg Request lead time  
CHF 275.00
CHF 255.75 (7%)


Antifreeze polypeptides (AFP) have in common the ability to lower the freezing point of blood serum, thus allowing fish to survive in subzero ocean temperatures. The type I AFPs are present in the blood of winter flounder, yellowtail flounder, Alaskan plaice and the shorthorn and grubby sculpin. AFP37 (HPLC6) isolated from the winter flounder, Pseudopleuronectes americanus, consists of 37 amino acids arranged in three 11-residue repeats which tend to form α-helices.
Catalog Number H-7602
APC Number 79-2-10
Synonyms HPLC 6 (winter flounder), AFP 6 (winter flounder)
Molecular Formula C₁₃₃H₂₂₅N₄₃O₅₁
Relative Molecular Mass 3242.47
CAS Registry Number 122604-16-4
Source Synthetic
Storage Conditions -20 ± 5 °C