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 GAAGATGGACGTACTTT AGGAGTCTACTCTTCAT AGTTGGAAGATGGACGTACTTTGTCTGACTACAATATTCAAAAGGAGTCTACTCTTCATCTTG 2 2 5' arm Homo_sapiens mirbase 100 100 -12.57 .....((((((((((...((((..................))))..))))).)))))...... (-12.57)