thresh P-value %words %seq Nwords Nseq total_words total_seq 10.3416 1.0e-05 22.1% 22.3% 897 904 4053 4055 8.887 5.0e-05 41.7% 43.0% 1690 1742 4053 4055 8.1854 0.0001 53.2% 55.3% 2155 2241 4053 4055 6.3417 0.0005 80.5% 83.4% 3264 3380 4053 4055 5.4354 0.001 89.1% 91.7% 3613 3718 4053 4055