Amino acid scale: Normalized frequency for beta-turn.
Author(s): Levitt M.
Reference: Biochemistry 17:4277-4285(1978).
Amino acid scale values:
Ala: 0.770
Arg: 0.880
Asn: 1.280
Asp: 1.410
Cys: 0.810
Gln: 0.980
Glu: 0.990
Gly: 1.640
His: 0.680
Ile: 0.510
Leu: 0.580
Lys: 0.960
Met: 0.410
Phe: 0.590
Pro: 1.910
Ser: 1.320
Thr: 1.040
Trp: 0.760
Tyr: 1.050
Val: 0.470