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 TGATTGTCCAAACGCAATACA TGTTTTCGTATGGACATCGTA ATGGCGACTGTTTCATGATTGTCCAAACGCAATACAGGTGTTACAATAAATTCTGTGTTTTCGTATGGACATCGTAATACAGAGTGTCACATGCTTCATCAA 2 2 5' arm Ciona_savignyi mirbase 100 cin-mir-219 0.000001 -29.12 .(((((.((((...(((((.(((((.(((.((((((((.............))))))))..))).))))))))))...))))..)))))............. (-29.12)