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 TGTCTTGCAGGCCGTCATGCAGG TGCGCGTCCTGCGAGGTGTC TCCTGCGCGTCCTGCGAGGTGTCTTGCAGGCCGTCATGCAGGCCACACTGACGGAAACGTTGCAGGTCGTCTTGCAGGGCTTCTCGCAAGACGACATATTCATCACCCTCGACG 4 3 3' arm Bos_taurus mirbase mir-431 6e-40 rno-mir-431 2e-49 -48.1 .((((((((.((((((((....)))))))).)))...))))).......((((....))))....((((((((((..(....)..))))))))))................... (-48.10)