Reference: Protein Engineering 1:289-294(1987).
Amino acid scale values:
Ala: 0.709 Arg: 0.920 Asn: 0.604 Asp: 0.541 Cys: 1.191 Gln: 0.840 Glu: 0.567 Gly: 0.657 His: 0.863 Ile: 1.799 Leu: 1.261 Lys: 0.721 Met: 1.210 Phe: 1.393 Pro: 0.354 Ser: 0.928 Thr: 1.221 Trp: 1.306 Tyr: 1.266 Val: 1.965