Protein Extinction Coefficient Calculator

Enter your peptide sequence below using single letter code.



Total # of Residues:

M.W.: g/mol

Numbers of Individual Residues:
Ala (A) Asx (B) Cys (C) Asp (D)
Glu (E) Phe (F) Gly (G) His (H)
Ile (I) Lys (K) Leu (L) Met (M)
Asn (N) Pro (P) Gln (Q) Arg (R)
Ser (S) The (T) Val (V) Trp (W)
Tyr (Y) Glx (Z)

Extinction Coefficient (Secreted Protein): cm -1 M -1

Extinction Coefficient (Cytosolic Protein): cm -1 M -1
 
For more info on protein extinction coefficent, click here.