This is beta-amyloid (1-42) with substitution of Phe20 to Cys. Cysteine substitutions are used to study the structure and stabilization of amyloid fibrils.
Shivaprasad, S. and R. Wetzel J Biol Chem281, 993 (2006).
Molecular Weight
4470.1
Sequence (One-Letter Code)
DAEFRHDSGYEVHHQKLVFCAEDVGSNKGAIIGLMVGGVVIA
Sequence (Three-Letter Code)
H - Asp - Ala - Glu - Phe - Arg - His - Asp - Ser - Gly - Tyr - Glu - Val - His - His - Gln - Lys - Leu - Val - Phe - Cys - Ala - Glu - Asp - Val - Gly - Ser - Asn - Lys - Gly - Ala - Ile - Ile - Gly - Leu - Met - Val - Gly - Gly - Val - Val - Ile - Ala - OH