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 GGGTGCGGGCCGGCGGGG CGGCCCGGCCCGGCCCGG ACGCGGGTGCGGGCCGGCGGGGTAGAAGCCACCCGGCCCGGCCCGGCCCGGCGA 1 2 5' arm Homo_sapiens mirbase 100 100 -38.4 .(((((((.(((((((((.((((.......)))).).)))))))))))).))). (-38.40)