Amino acid scale: Hydrophilicity.
Author(s): Hopp T.P., Woods K.R.
Reference: Proc. Natl. Acad. Sci. U.S.A. 78:3824-3828(1981).
Amino acid scale values:
Ala: -0.500
Arg: 3.000
Asn: 0.200
Asp: 3.000
Cys: -1.000
Gln: 0.200
Glu: 3.000
Gly: 0.000
His: -0.500
Ile: -1.800
Leu: -1.800
Lys: 3.000
Met: -1.300
Phe: -2.500
Pro: 0.000
Ser: 0.300
Thr: -0.400
Trp: -3.400
Tyr: -2.300
Val: -1.500