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 AGGGTTTTTCATGGAGTTCG AACTTTACCATGAAAAAGCCTGT TGAACTTTACCATGAAAAAGCCTGTTAATTGAAATGCAGGGTTTTTCATGGAGTTCG 2 3 3' arm Ciona_intestinalis mirbase 100 cin-mir-1502c 1e-26 -25.5 .(((((...((((((((((.(((((..........))))).))))))))))))))). (-25.50)