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 AGGTGCATTGTAGTCGCATTG ATACAACTTCAGTGCAAGCTCT CAGAGATGACACGAAGGTGCATTGTAGTCGCATTGTCTGTCCCAATTGCTTCAGGCAATACAACTTCAGTGCAAGCTCTGTGCATTTCAC 4 1 5' arm Drosophila_erecta mirbase mir-33 3e-32 dme-mir-33 7e-45 -33.4 ..((((((.((((.((.(((((((.(((.(.((((((((...(....)...)))))))).).))).)))))))..)).)))))))))).. (-33.40)