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 GCAGCCCCTCCGTCTGACTCAG GAGTCCGGTGGGGCAGTGT CTGAGTCCGGTGGGGCAGTGTGTACCAGTAGGTGACGCAGCCCCTCCGTCTGACTCAG 2 3 3' arm Bos_taurus mirbase 100 bta-mir-2466 3e-27 -34.3 ((((((((((.(((((.((((.((((....)))))))).))))).)))...))))))) (-34.30)