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 TGCAATATAGCTATTTTGTG CAATTTGCTAAATTGGCTGAAA CACAATTTGCTAAATTGGCTGAAACTTTTGTATTGGTATGACAGTTTGCAATATAGCTATTTTGTG 4 4 3' arm Ciona_intestinalis mirbase 100 100 -14 (((((...((((.((((.(..(((((.(..((....))..).)))))))))).))))....))))) (-14.00)