highly significantP < 1.549 × 10 −34
Although the performance gain was quite small when DNA shape was already included in the model, it was highly significant ( P < 1.549 × 10 −34 for sequence+MGW+EP versus sequence+MGW models; P < 4.569 × 10 −41 for sequence+shape+EP versus sequence+shape models; P < 6.748 × 10 −4 for sequence+3shapes+EP versus sequence+shape).