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 GGTGTTTCAGGGAATCGTTA ACGAGTCCCTGAAAAATCCCG CAACGAGTCCCTGAAAAATCCCGACATACAAATTCGGGTGTTTCAGGGAATCGTTA 4 1 3' arm Ciona_intestinalis mirbase 100 cin-mir-4076 5e-26 -28.1 .(((((.(((((((((...(((((.........)))))..))))))))).))))). (-28.10)