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 GGAGAAATTATCCTTGGTGTGT CATACAAGGATAATTTCTTTTT TACTTGAGGAGAAATTATCCTTGGTGTGTTGGCTCTTTTGGATGAATCATACAAGGATAATTTCTTTTTGAGTA 0 2 5' arm Mus_musculus mirbase mir-154 3e-28 mmu-mir-539 1e-36 -31.8 ((((..(((((((((((((((((.((((((.(..(....)..).)).)))))))))))))))))))))..)))) (-31.80)