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 CAGCTGTTACCTCACTACCT GCAGTGAGCTATCGTAGCAGGCTGTT TGGCAGTGAGCTATCGTAGCAGGCTGTTGCAGTGGCTACACATCATGTGACGTCATGAAATCAAACAGCTGTTACCTCACTACCT 2 6 3' arm Ciona_intestinalis mirbase 100 cin-mir-4091 4e-43 -31 .((.((((((.....(((((((.(((((...(((....))).(((((......))))).....)))))))))))))))))).)). (-31.00)