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 TCCAGCATCAGTGATTTTGTTG ACAATATCCTGGTGCTGAGT CAACAATATCCTGGTGCTGAGTGATGACACACGCAACTCCAGCATCAGTGATTTTGTTG 1 2 3' arm Equus_caballus mirbase mir-338 5e-17 eca-mir-338 8e-28 -24.8 ((((((.(((((((((((((((..((.....))..))).))))))))).))).)))))) (-24.80)