thresh P-value %words %seq Nwords Nseq total_words total_seq 8.9806 1.0e-05 16.0% 10.8% 8 8 50 74 7.822 5.0e-05 26.0% 17.6% 13 13 50 74 7.2675 0.0001 28.0% 18.9% 14 14 50 74 5.8246 0.0005 70.0% 47.3% 35 35 50 74 5.1237 0.001 72.0% 48.6% 36 36 50 74