Table 4 The performance of amino acid composition feature by KNN classifier
From: Prediction of acid radical ion binding residues by K-nearest neighbors classifier
Ligand | Optimal k value | Sn (%) | Sp (%) | Acc (%) | FPR (%) | MCC |
|---|---|---|---|---|---|---|
NO2− | 23 | 54.1 | 72.4 | 63.3 | 27.6 | 0.270 |
CO32− | 37 | 63.9 | 52.8 | 58.4 | 47.2 | 0.169 |
SO42− | 91 | 59.3 | 61.1 | 60.2 | 38.9 | 0.204 |
PO43− | 41 | 62.9 | 62.1 | 62.5 | 37.9 | 0.250 |