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 GCCGGACAAGAGGGAGG TCCCTCTCTCCCCGGTGT GCGCCCTCCCTCTCTCCCCGGTGTGCAAATGTGTGTGTGCGGTGTTATGCCGGACAAGAGGGAGGTG 3 1 3' arm Homo_sapiens mirbase 100 100 -28.9 ....(((((((((....((((((((((..(((......))).)).))))))))...))))))))).. (-28.90)