Amino acid scale: Normalized frequency for beta-sheet.
Author(s): Levitt M.
Reference: Biochemistry 17:4277-4285(1978).
Amino acid scale values:
Ala: 0.900
Arg: 0.990
Asn: 0.760
Asp: 0.720
Cys: 0.740
Gln: 0.800
Glu: 0.750
Gly: 0.920
His: 1.080
Ile: 1.450
Leu: 1.020
Lys: 0.770
Met: 0.970
Phe: 1.320
Pro: 0.640
Ser: 0.950
Thr: 1.210
Trp: 1.140
Tyr: 1.250
Val: 1.490