To improve security and privacy, we are moving our web pages and services from HTTP to HTTPS.
To give users of web services time to transition to HTTPS, we will support separate HTTP and HTTPS services until the end of 2017.
From January 2018 most HTTP traffic will be automatically redirected to HTTPS. [more...]
View this page in https

ProtScale Tool

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