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 TCCTTTGTTTCTATGTTTCA GAACATGTAAATAAGGGCTG TGGAACATGTAAATAAGGGCTGTTTATCGCATCCTTTGTTTCTATGTTTCA 3 0 3' arm Ciona_intestinalis mirbase 100 cin-mir-4006c 4e-23 -19.2 .((((((((.(((((((((.(((.....))).))))))))).)))))))). (-19.20)