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 TGTGTATGTGTACATGTACAA ATACATATATATATATATATA TAGAATTCTCCTGTGTATGTGTACATGTACAAAATATACATATATATATATATATATATATCTG AAAAAAAAAACAAAAAACATTTCACATCCCCATTGGGGGTGGAGAGTAACTCAATATTCTCATGACAGTGTCATGTGTGACTAGAATTCTCCTGTGTATGTGTACATGTACAAAATATACATATATATATATATATATATATCTGTATCTCTATCGATGTGTAGTCTGTCTGACATTGTTCTCTCCCTGATATACTCTCAGTGGAAAATATTTGTACTCTGGGCTGGTGCTACCAACATTTCTGGCCGCAGGTAATGAGCAGAATCAGTCGGGCCCAGAGTCTTGATATTAAAGGAGAACTAAACCCTAAAAATGAATATGTATCAAAAAAATACATGTTTTATATACTGAACTTAATGCACCAGCCTAAAGTTTCAGCTTGTCAATAGCAGCAATGATCCAGGACTTCAAACTTGTCACAGGGGGTCACCATCTTGGAAAGTGTCTGTGACACTCACATGCTCAGTGGGCTCTGAGCAGCTGTTGAGA 4 0 5' arm Xenopus_laevis mirnest 100 100 -11.8 ...........((((((((((((.(((((.......))))).)))))))))))).......... (-11.8)