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 TACTGCATCAGGAACTGATTGGA CATCAGTTCTTAATGCATTGTC TGTTGTGGATACTGCATCAGGAACTGATTGGATAGTGATGGATTGCCATCAGTTCTTAATGCATTGTCT 3 1 5' arm Petromyzon_marinus mirbase mir-217 0.0000000009 cfa-mir-217 0.00000000005 -26.2 ......(((((.(((((.((((((((((.((.((((.....)))))))))))))))).))))).))))) (-26.20)