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 ACAACATCCTGGTGCTGCCTGAGT GGATTCTCCCTGCAACAACATCCTGGTGCTGCCTGAGTCACTTTCACAAACTCCAGCATCAGTGATTTTGTTGCGGGGGG 1 4 3' arm Fugu_rubripes mirbase mir-338 6e-39 tni-mir-338 4e-40 -40.6 .....(((((((((((((.((((((((((((...((((...........))))))))))))).))).))))))))))))) (-40.60)