mature_miRNA miRNA* pre-miRNA EST_contig mismatches bulges arm species source_database RFAM_best_hit RFAM_lowest_evalue miRBase_best_hit miRBase_lowest_evalue folding_energy secondary_structure ACGTTGGTCGCACGATCAAA TGTTCGTTCGGCTCGCGT ACGTTGGTCGCACGATCAAAGCGTCATTATTGTTCTGGCGTCATTAATTGCGTCATAAAATGCCTTGTTCGTTCGGCTCGCGT 4 0 5' arm Ciona_intestinalis mirbase 100 cin-mir-375 6e-42 -25.7 ((((.(((((.((((.(((.((((((....))...(((((.((.....)))))))....)))).))).)))).))))).)))) (-25.70)