Figure 4.

Prediction performance of prokaryotic promoter predictors on three independent test datasets, including E. coli-I, E. coli-II and B. subtilis in terms of Acc, AUC and MCC for (A) E. coli   promoters (E. coli-I dataset), (B) E. coli promoters (E. coli-II dataset) and (C) B. subtilis promoters (B. subtilis dataset). Two heatmaps were plotted to illustrate (D) the Precision and (E) the F1 scores of assessed predictors using all the three datasets. The gray grids in the heatmaps (D) and (E) mean the current method is non-applicable to this dataset.