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ProtScale Tool

Amino acid scale: Normalized frequency for alpha helix.

Author(s): Levitt M.

Reference: Biochemistry 17:4277-4285(1978).

Amino acid scale values:


Ala:  1.290  

Arg:  0.960  

Asn:  0.900  

Asp:  1.040  

Cys:  1.110  

Gln:  1.270  

Glu:  1.440  

Gly:  0.560  

His:  1.220  

Ile:  0.970  

Leu:  1.300  

Lys:  1.230  

Met:  1.470  

Phe:  1.070  

Pro:  0.520  

Ser:  0.820  

Thr:  0.820  

Trp:  0.990  

Tyr:  0.720  

Val:  0.910