Reference: Protein Engineering 1:289-294(1987).
Amino acid scale values:
Ala: 0.788 Arg: 0.912 Asn: 1.572 Asp: 1.197 Cys: 0.965 Gln: 0.997 Glu: 1.149 Gly: 1.860 His: 0.970 Ile: 0.240 Leu: 0.670 Lys: 1.302 Met: 0.436 Phe: 0.624 Pro: 1.415 Ser: 1.316 Thr: 0.739 Trp: 0.546 Tyr: 0.795 Val: 0.387