custom PAS_AAUAAA
Matches: AAUAAA
Significance of differences:
p=6e-59 3' UTR
p=2e-19 50 bases upstrand from poly(A) site
p=8e-26 50 bases downstrand from stop codon
p=3e-01 500 bases upstrand from stop codon
p=1e-01 50 bases upstrand from start codon
