ProtScale Tool

Amino acid scale: Retention coefficient in HPLC, pH 2.1.

Reference: Proc. Natl. Acad. Sci. USA 77:1632-1636(1980).

Amino acid scale values:

Ala: -0.100  

Arg: -4.500  

Asn: -1.600  

Asp: -2.800  

Cys: -2.200  

Gln: -2.500  

Glu: -7.500  

Gly: -0.500  

His:  0.800  

Ile: 11.800  

Leu: 10.000  

Lys: -3.200  

Met:  7.100  

Phe: 13.900  

Pro:  8.000  

Ser: -3.700  

Thr:  1.500  

Trp: 18.100  

Tyr:  8.200  

Val:  3.300