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 AAAAAGTTCGTTAGGGTTTTTC AAAACTCGAACAAACCTTTTGT TGAGTTGACCAAAAAGTTCGTTAGGGTTTTTCTTCAAGCTCTTACGGGAAAACTCGAACAAACCTTTTGTCCAACCCA 3 0 5' arm Bos_taurus mirbase 100 bta-mir-2284c 0.00001 -21.4 .(.((((..(((((.(((.(((.((((((((((..((....))..)))))))))).))).))).)))))..)))).). (-21.40)