The quantitative Matrix of HLA-A*0203
| Amino acid/positions | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 |
| A | 0.00 | -1.20 | 2.00 | -0.67 | 0.29 | -1.20 | 0.93 | -2.00 | 0.50 |
| C | 2.00 | 0.00 | 1.00 | 2.00 | -2.00 | 2.00 | 0.67 | 0.00 | -2.00 |
| D | -2.00 | -2.00 | -1.00 | 0.67 | -2.00 | 0.00 | -2.00 | -2.00 | -2.00 |
| E | -2.00 | -2.00 | -2.00 | 0.00 | -1.43 | -2.00 | -2.00 | -0.67 | -2.00 |
| F | 1.00 | -2.00 | 0.67 | 2.00 | 2.00 | -0.86 | 0.29 | 1.50 | -2.00 |
| G | -0.33 | -2.00 | -1.20 | 1.60 | -1.00 | 0.22 | -1.33 | 0.00 | -2.00 |
| H | 0.00 | -2.00 | 0.00 | -2.00 | -2.00 | -2.00 | 0.67 | 0.00 | -2.00 |
| I | 0.00 | 0.29 | 0.22 | -2.00 | 0.40 | -0.22 | 0.00 | -2.00 | 1.69 |
| K | 1.53 | -2.00 | -1.00 | 2.00 | -0.67 | -2.00 | -2.00 | 0.00 | -2.00 |
| L | -0.18 | 1.16 | 0.35 | -1.20 | -0.15 | 1.37 | 0.86 | 1.33 | 0.67 |
| M | -0.67 | 2.00 | -1.00 | -1.33 | -1.00 | 0.67 | -2.00 | -2.00 | -0.67 |
| N | 0.00 | -2.00 | 0.40 | -0.86 | -0.67 | 0.00 | -1.00 | 0.67 | -2.00 |
| P | -2.00 | -2.00 | 1.00 | 0.46 | 0.77 | 0.00 | 2.00 | 0.80 | -2.00 |
| Q | -0.67 | 2.00 | -1.43 | 2.00 | 1.20 | 0.67 | 0.67 | 0.29 | -2.00 |
| R | -1.00 | -2.00 | 0.67 | 0.40 | 0.00 | -1.20 | -2.00 | 0.40 | -2.00 |
| S | 1.43 | -2.00 | 1.43 | 0.00 | -0.50 | -1.20 | 0.00 | -0.40 | -2.00 |
| T | -1.43 | 1.33 | -0.22 | -1.50 | -0.22 | -1.33 | 2.00 | 1.33 | 0.00 |
| V | 0.18 | 0.22 | -0.67 | -2.00 | 0.46 | 0.60 | -0.22 | -0.86 | 1.60 |
| W | -0.67 | -2.00 | 0.00 | -2.00 | 2.00 | 0.00 | -1.00 | 0.40 | -2.00 |
| X | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Y | 0.67 | 0.00 | 0.00 | -2.00 | 1.00 | 0.00 | -1.20 | -2.00 | -2.00 |
| Thresold(%) | 1% | 2% | 3% | 4% | 5% | 6% | 7% | 8% | 9% | 10% |
| Value | 5.45 | 4.44 | 3.79 | 3.30 | 2.89 | 2.55 | 2.25 | 1.97 | 1.73 | 1.50 |