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 ATCCGTGATCGCTTTGCCCGGC CGGGAAGGAGTGGCCGGTGAT AGCGGGAAGGAGTGGCCGGTGATATAACAGAGATAATACAGGTACTTTGTTATTCTTATCCGTGATCGCTTTGCCCGGC 6 3 3' arm Ciona_intestinalis mirbase 100 cin-mir-4183 1e-39 -25.2 ..((((...((((((((((.((.(((((((((((.......)).)))))))))))....))).).))))))..)))).. (-25.20)