Amino Acid Molecular Weight Calculator
Calculate protein MW and composition from amino acid sequence
Protein Sequence
Valid: A, R, N, D, C, E, Q, G, H, I, L, K, M, F, P, S, T, W, Y, V
Amino Acid Composition
A(7)
G(4)
L(4)
K(4)
F(4)
T(4)
E(3)
H(3)
P(3)
S(3)
V(3)
D(2)
Molecular Weight
5.64 kDa
5644.39 Da
Sequence Properties
Length51 aa
Tryptophan (W)1
Tyrosine (Y)2
Cysteine (C)0
Extinction Coefficient (280nm)
ε (reduced Cys)8,480 M⁻¹cm⁻¹
ε (oxidized Cys)8,480 M⁻¹cm⁻¹
Abs 0.1% (reduced)1.502
Abs 0.1% (oxidized)1.502