Flag Peptide (Flag-tag Peptide) is a hydrophilic octapeptide (DYKDDDDK) containing an enterokinase cleavage site, which can be used in immunoaffinity chromatography. Flag peptide allows protein elution under non-denaturing conditions. Multiple antibodies recognize the Flag peptide, such as M1, M2, and M5. Specifications CAS No. 98849-88-8 Amino Acid Sequence H-Asp-Tyr-Lys-Asp-Asp-Asp-Asp-Lys-OH Molecular Formula C₄₁H₆₀N₁₀O₂₀ Molecular Weight 1012.97 Appearance White powder Purity > 98% Solubility Soluble in water or 1% acetic acid Components Name 20572ES08 20572ES80 Flag-tag Peptide 5 mg 1 g Storage Unopened product should be stored at –25 to –15 °C for up to 1 year. Stock solutions are recommended to be aliquoted and stored at –80 °C. Documents: Safety Data Sheet 20572_MSDS_HB251222_EN.PDF Manuals 20572_Manual_Ver.EN20251222.pdf
