Table 6.
Six physicochemical properties of 20 amino acid types.
| Amino Acid | H | VSC | P1 | P2 | SASA | NCISC |
|---|---|---|---|---|---|---|
| A | 0.62 | 27.5 | 8.1 | 0.046 | 1.181 | 0.007187 |
| C | 0.29 | 44.6 | 5.5 | 0.128 | 1.461 | −0.03661 |
| D | −0.9 | 40 | 13 | 0.105 | 1.587 | −0.02382 |
| E | −0.74 | 62 | 12.3 | 0.151 | 1.862 | 0.006802 |
| F | 1.19 | 115.5 | 5.2 | 0.29 | 2.228 | 0.037552 |
| G | 0.48 | 0 | 9 | 0 | 0.881 | 0.179052 |
| H | −0.4 | 79 | 10.4 | 0.23 | 2.025 | −0.01069 |
| I | 1.38 | 93.5 | 5.2 | 0.186 | 1.81 | 0.021631 |
| K | −1.5 | 100 | 11.3 | 0.219 | 2.258 | 0.017708 |
| L | 1.06 | 93.5 | 4.9 | 0.186 | 1.931 | 0.051672 |
| M | 0.64 | 94.1 | 5.7 | 0.221 | 2.034 | 0.002683 |
| N | −0.78 | 58.7 | 11.6 | 0.134 | 1.655 | 0.005392 |
| P | 0.12 | 41.9 | 8 | 0.131 | 1.468 | 0.239531 |
| Q | −0.85 | 80.7 | 10.5 | 0.18 | 1.932 | 0.049211 |
| R | −2.53 | 105 | 10.5 | 0.291 | 2.56 | 0.043587 |
| S | −0.18 | 29.3 | 9.2 | 0.062 | 1.298 | 0.004627 |
| T | −0.05 | 51.3 | 8.6 | 0.108 | 1.525 | 0.003352 |
| V | 1.08 | 71.5 | 5.9 | 0.14 | 1.645 | 0.057004 |
| W | 0.81 | 145.5 | 5.4 | 0.409 | 2.663 | 0.037977 |
| Y | 0.26 | 117.3 | 6.2 | 0.298 | 2.368 | 0.023599 |
H: hydrophobicity; VSC: volumes of side chains of amino acids; P1: polarity; P2: polarizability; SASA: solvent-accessible surface area; NCISC: net charge index of side chains.