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 TAAGGTGCATCTAGTGCAGATA CTGCCCTAAGTGCTCCTTCT CTTTTTGTACTAAGGTGCATCTAGTGCAGATAGTGAAGTAGATTAGCATCTACTGCCCTAAGTGCTCCTTCT 5 1 5' arm Taeniopygia_guttata mirbase 100 gga-mir-18a 2e-35 -19.3 ...........((((.(((..(((.((((.(((((..(.....)..)).))))))).)))..))).)))).. (-19.30)