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 GTCATTATTTTCATGCTTCA AACATGTAAGTAAGGGCTG TGGAACATGTAAGTAAGGGCTGTCAAACAGTCATTATTTTCATGCTTCA 3 1 3' arm Ciona_intestinalis mirbase 100 cin-mir-4006a-1 6e-22 -16.1 ..(((((((.((((((.(((((.....))))).)))))).)))).))). (-16.10)