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 TCTACAGTGCACGTGTCTCCAG GGAGACGCGGCCCTGTTGGAGT GTGTATTCTACAGTGCACGTGTCTCCAGTGTGGCTCGGAGGCTGGAGACGCGGCCCTGTTGGAGTAAC 1 2 5' arm Mus_musculus mirbase mir-139 4e-27 lla-mir-139 4e-33 -34.9 ...((((((((((.((.((((((((((((.(.......).)))))))))))))).))).))))))).. (-34.90)