ProtScale Tool

Amino acid scale: Hydrophobicity (free energy of transfer to surface in kcal/mole).

Author(s): Bull H.B., Breese K.

Reference: Arch. Biochem. Biophys. 161:665-670(1974).

Amino acid scale values:


Ala:  0.610  

Arg:  0.690  

Asn:  0.890  

Asp:  0.610  

Cys:  0.360  

Gln:  0.970  

Glu:  0.510  

Gly:  0.810  

His:  0.690  

Ile: -1.450  

Leu: -1.650  

Lys:  0.460  

Met: -0.660  

Phe: -1.520  

Pro: -0.170  

Ser:  0.420  

Thr:  0.290  

Trp: -1.200  

Tyr: -1.430  

Val: -0.750