This is a biotinylated (C-terminus) and FAM (carboxyfluorescein, N-terminus)-labeled ß-Amyloid (1-40), Abs/Em=494/521 nm. FAM is preferred over FITC because of its photo- and chemical stability.
FAM - Asp - Ala - Glu - Phe - Arg - His - Asp - Ser - Gly - Tyr - Glu - Val - His - His - Gln - Lys - Leu - Val - Phe - Phe - Ala - Glu - Asp - Val - Gly - Ser - Asn - Lys - Gly - Ala - Ile - Ile - Gly - Leu - Met - Val - Gly - Gly - Val - Val - Lys(Biotin) - NH2