thresh P-value %words %seq Nwords Nseq total_words total_seq 8.4585 1.0e-05 11.9% 12.2% 247 245 2075 2002 7.5085 5.0e-05 39.6% 40.3% 822 807 2075 2002 6.9431 0.0001 47.2% 48.8% 979 977 2075 2002 5.5518 0.0005 69.7% 71.4% 1447 1429 2075 2002 4.614 0.001 75.8% 77.8% 1572 1557 2075 2002