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 CAAAGTGCTCATAGTGCAGGTAG CTACTGTAGTATGGGCACTTCCAG AGTACCAAAGTGCTCATAGTGCAGGTAGTTTTGGCATGACTCTACTGTAGTATGGGCACTTCCAGTAC 5 1 5' arm Pan_troglodytes mirbase mir-17 2e-29 hsa-mir-20b 4e-33 -28.4 .((((..(((((((((((.(((((..((((.......))))...))))).)))))))))))...)))) (-28.40)