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 CATTATTACTTTTGGTACGCG CGTACCGTGAGTAATAATGCG GGGTCATTATTACTTTTGGTACGCGCTGTGACACATCAAACTCGTACCGTGAGTAATAATGCGCCATTG 2 0 5' arm Monodelphis_domestica mirbase mir-126 2e-32 eca-mir-126 2e-26 -27.7 .((((((((((((((.(((((((.(...(((....)))..).))))))).))))))))))).))).... (-27.70)