thresh P-value %words %seq Nwords Nseq total_words total_seq 9.3638 1.0e-05 17.7% 18.6% 233 250 1316 1347 8.0637 5.0e-05 38.7% 41.1% 509 553 1316 1347 7.3754 0.0001 49.0% 52.6% 645 708 1316 1347 5.4909 0.0005 76.2% 79.9% 1003 1076 1316 1347 4.5327 0.001 84.6% 87.4% 1113 1177 1316 1347