Table 1 The performance of SVM models using amino acid compositions of whole peptides and five residues of N-terminus. Last column shows performance of binary-based SVM model using first five residues of peptides.
| Â | Whole Peptide Composition | 5 N-terminal residue Composition | 5 N-terminal binary Pattern | ||||||
|---|---|---|---|---|---|---|---|---|---|
Threshold | Sen. | Spec. | Acc. | Sen. | Spec. | Acc. | Sen. | Spec. | Acc. |
-1 | 98.15 | 60.45 | 80.13 | 97.31 | 25.45 | 61.38 | 95.81 | 24.25 | 60.03 |
-0.9 | 97.94 | 63.60 | 81.53 | 95.21 | 30.54 | 62.87 | 94.31 | 30.54 | 62.43 |
-0.8 | 97.53 | 67.19 | 83.03 | 93.71 | 35.33 | 64.52 | 93.71 | 37.13 | 65.42 |
-0.7 | 97.12 | 70.56 | 84.43 | 91.62 | 39.82 | 65.72 | 91.62 | 43.11 | 67.37 |
-0.6 | 96.91 | 72.81 | 85.39 | 90.42 | 46.11 | 68.26 | 90.12 | 48.50 | 69.31 |
-0.5 | 96.30 | 76.18 | 86.68 | 89.22 | 50.60 | 69.91 | 86.83 | 54.19 | 70.51 |
-0.4 | 95.88 | 77.53 | 87.11 | 87.72 | 55.09 | 71.41 | 85.03 | 59.88 | 72.46 |
-0.3 | 94.65 | 80.90 | 88.08 | 84.73 | 58.98 | 71.86 | 82.34 | 64.97 | 73.65 |
-0.2 | 93.42 | 84.27 | 89.04 | 81.44 | 63.47 | 72.46 | 80.24 | 68.86 | 74.55 |
0 | 89.92 | 88.09 | 89.04 | 73.65 | 72.75 | 73.20 | 74.25 | 74.85 | 74.55 |
0.1 | 88.48 | 89.44 | 88.94 | 70.36 | 76.65 | 73.50 | 70.66 | 77.54 | 74.10 |
0.2 | 86.63 | 90.56 | 88.51 | 66.77 | 79.64 | 73.20 | 67.96 | 83.83 | 75.90 |
0.3 | 84.98 | 91.01 | 87.86 | 63.47 | 83.83 | 73.65 | 64.97 | 88.32 | 76.65 |
0.4 | 83.74 | 93.03 | 88.18 | 57.49 | 86.83 | 72.16 | 60.78 | 88.92 | 74.85 |
0.5 | 80.04 | 93.26 | 86.36 | 53.59 | 89.52 | 71.56 | 57.78 | 90.12 | 73.95 |
0.6 | 77.37 | 94.83 | 85.71 | 48.50 | 91.62 | 70.06 | 54.49 | 91.02 | 72.75 |
0.7 | 75.51 | 95.28 | 84.96 | 44.61 | 94.01 | 69.31 | 51.50 | 93.41 | 72.46 |
0.8 | 72.02 | 95.28 | 83.14 | 39.22 | 94.91 | 67.07 | 44.91 | 95.51 | 70.21 |
0.9 | 67.90 | 96.40 | 81.53 | 34.43 | 96.11 | 65.27 | 39.52 | 96.11 | 67.81 |
1 | 64.61 | 97.53 | 80.34 | 29.04 | 97.90 | 63.47 | 32.34 | 97.01 | 64.67 |