TABLE 2.
Validation of iMA945 metabolic model using substrate assays
E, experimental; C, computational; G, growth; NG, no growth; T, true; F, false; P, positive; N, negative; NAN, not a number (division by zero). Accuracy = (TP + TN)/(TP + TN + FP + FN); sensitivity = TP/(TP + FN); specificity = TN/(TN + FP).
| Source | Substrates | Overall agreement | Compounds with exchange reactions | Agreement |
Total accuracy | Disagreement |
Sensitivity | Specificity | ||
|---|---|---|---|---|---|---|---|---|---|---|
| E-G C-G TP | E-NG C-NG TN | E-NG C-G FP | E-G C-NG FN | |||||||
| % | % | % | ||||||||
| Carbon | 191 | 147 | 92 | 65 | 14 | 85.9 | 12 | 1 | 98.5 | 53.8 |
| Nitrogen | 95 | 83 | 66 | 35 | 20 | 83.3 | 7 | 4 | 89.7 | 74.1 |
| Phosphorous | 59 | 41 | 29 | 28 | 0 | 96.6 | 0 | 1 | 96.6 | NAN |
| Sulfur | 35 | 18 | 14 | 5 | 4 | 64.3 | 0 | 5 | 50.0 | 100.0 |
| Total | 380 | 289 | 201 | 133 | 38 | 85.1 | 19 | 11 | 92.4 | 66.7 |