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 CGGGACCGGGGTCCGGTGCG TCCCGGGACACGGGGCGCGGC CGTCGGGACCGGGGTCCGGTGCGGAGAGCCCTTCGTCCCGGGACACGGGGCGCGGCC 7 1 5' arm Bos_taurus mirbase mir-689 0.00001 bta-mir-2887-1 1e-26 -29.7 .((((.(.(((.(..((((..(((((....)))))..))))..).)))..).)))). (-29.70)