Hydrophobicity Indices for Amino Acids
Amino Acid |
Kyte-Doolittle |
Hopp-Woods |
Alanine |
1.8 |
-0.5 |
Arginine |
-4.5 |
3.0 |
Asparagine |
-3.5 |
0.2 |
Aspartic acid |
-3.5 |
3.0 |
Cysteine |
2.5 |
-1.0 |
Glutamine |
-3.5 |
0.2 |
Glutamic acid |
-3.5 |
3.0 |
Glycine |
-0.4 |
0.0 |
Histidine |
-3.2 |
-0.5 |
Isoleucine |
4.5 |
-1.8 |
Leucine |
3.8 |
-1.8 |
Lysine |
-3.9 |
3.0 |
Methionine |
1.9 |
-1.3 |
Phenylalanine |
2.8 |
-2.5 |
Proline |
-1.6 |
0.0 |
Serine |
-0.8 |
0.3 |
Threonine |
-0.7 |
-0.4 |
Tryptophan |
-0.9 |
-3.4 |
Tyrosine |
-1.3 |
-2.3 |
Valine |
4.2 |
-1.5 |