thresh P-value %words %seq Nwords Nseq total_words total_seq 9.0245 1.0e-05 12.9% 14.8% 264 303 2051 2048 8.0484 5.0e-05 26.5% 30.9% 543 633 2051 2048 7.5797 0.0001 34.6% 41.2% 709 843 2051 2048 5.8344 0.0005 60.0% 69.2% 1230 1417 2051 2048 4.8428 0.001 71.3% 79.0% 1463 1618 2051 2048