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ProtScale Tool

Amino acid scale: Conformational parameter for alpha helix (computed from 29 proteins).

Author(s): Chou P.Y., Fasman G.D.

Reference: Adv. Enzym. 47:45-148(1978).

Amino acid scale values:

Ala:  1.420  

Arg:  0.980  

Asn:  0.670  

Asp:  1.010  

Cys:  0.700  

Gln:  1.110  

Glu:  1.510  

Gly:  0.570  

His:  1.000  

Ile:  1.080  

Leu:  1.210  

Lys:  1.160  

Met:  1.450  

Phe:  1.130  

Pro:  0.570  

Ser:  0.770  

Thr:  0.830  

Trp:  1.080  

Tyr:  0.690  

Val:  1.060