Scientific Background | Biotin-FSVDYGELDFQWREKTC is a 17-residue synthetic peptide with the sequence Phe-Ser-Val-Asp-Tyr-Gly-Glu-Leu-Asp-Phe-Gln-Trp-Arg-Glu-Lys-Thr-Cys. Biotin provides an affinity handle for streptavidin-based capture or detection. The sequence contains 1 cysteine residue, which can support thiol-selective conjugation or disulfide chemistry when the thiol group is available; contains multiple acidic residues (2 Asp and 2 Glu), contributing negative charge at neutral pH; contains 4 aromatic residues (Phe/Trp/Tyr), which can contribute to hydrophobic or aromatic interactions. No specific receptor, enzyme, pathway, disease association, or biological activity is assigned to this peptide without product-specific experimental evidence. |
Experimental Notes | Sequence-derived chemical properties are provided to support reagent selection and experimental planning. They do not establish a biological function. Solubility, aggregation, adsorption, conjugation efficiency, and assay performance should be validated under the intended experimental conditions. |