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 CGCAATACACATGGTGTCAT GACGCCATCGCGTATTGGTT CGCAATACACATGGTGTCATATTCATTAAGTCTGACGCCATCGCGTATTGGTT 4 1 5' arm Ciona_intestinalis mirbase 100 cin-mir-4102 3e-24 -19.8 ..((((((.((((((((((.(((.....))).))))))))).).))))))... (-19.80)