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 TCACACCTGCCTCACCCCCC GCAGGGGCAGGTATGTGGTG GTGGGCAGGGGCAGGTATGTGGTGGGTGGTGGCCTGAGGTGAGCAGGGCCCTCACACCTGCCTCACCCCCCAG 2 4 3' arm Pongo_pygmaeus mirbase 100 hsa-mir-1228 2e-26 -34.5 .((((..(((((((((..((((.((((.....((((.......)))))))))))))))))))))....)))). (-34.50)