The ROC curve of PredGPI. The ROC curve of PredGPI is shown as a continuous line. The dashed line is referred to a random guess. Two points are shown over the ROC curve: the circle indicates a false positive rate of 0.15%, while the triangle indicates a false positive rate of 0.5%. The curve was computed using the 145 positive examples and the 10,630 negative examples in GPI-Set and Non-GPI-Set, respectively. See text for details in the Methods section.