Amino acid scale: Hydrophilicity scale derived from HPLC peptide retention times.
Author(s): Parker J.M.R., Guo D., Hodges R.S.
Reference: Biochemistry 25:5425-5431(1986).
Amino acid scale values:
Ala: 2.100
Arg: 4.200
Asn: 7.000
Asp: 10.000
Cys: 1.400
Gln: 6.000
Glu: 7.800
Gly: 5.700
His: 2.100
Ile: -8.000
Leu: -9.200
Lys: 5.700
Met: -4.200
Phe: -9.200
Pro: 2.100
Ser: 6.500
Thr: 5.200
Trp: -10.000
Tyr: -1.900
Val: -3.700