thresh P-value %words %seq Nwords Nseq total_words total_seq 8.5805 1.0e-05 40.0% 35.7% 10 10 25 28 7.3812 5.0e-05 68.0% 60.7% 17 17 25 28 6.7903 0.0001 72.0% 64.3% 18 18 25 28 5.164 0.0005 92.0% 82.1% 23 23 25 28 4.3764 0.001 96.0% 85.7% 24 24 25 28