Amino Acid Hydrophobicity

Residue Type kdHydrophobicitya
Ile 4.5
Val 4.2
Leu 3.8
Phe 2.8
Cys 2.5
Met 1.9
Ala 1.8
Gly -0.4
Thr -0.7
Ser -0.8
Trp -0.9
Tyr -1.3
Pro -1.6
His -3.2
Glu -3.5
Gln -3.5
Asp -3.5
Asn -3.5
Lys -3.9
Arg -4.5
a J. Kyte and R.F. Doolittle, "A Simple Method for Displaying the Hydropathic Character of a Protein" J Mol Biol 157:105 (1982).