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 TTTGTTCGTTCGGCTCGCGTGA GCGACGAGCCCCTCGCACAAACC TCCGGCCCCGCGACGAGCCCCTCGCACAAACCGGACCTGAGCGTTTTGTTCGTTCGGCTCGCGTGAGGCAGGGGC 5 1 3' arm Rattus_norvegicus mirbase mir-375 8e-29 cfa-mir-375 3e-34 -33.8 (((.(((.((((.((((((...((.(((((.((........)).))))).))...)))))))))).))).))).. (-33.80)