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 CTTATGCAAGATTCCCTTCTA GTGGGGAACCCTTCCATGAGGA GTGGGGAACCCTTCCATGAGGAGTAGAACACTCCTTATGCAAGATTCCCTTCTA 5 1 3' arm Canis_familiaris mirbase mir-491 3e-18 eca-mir-491 7e-25 -23.8 (.((((((..(((.((((((((((.....)))))))))).))).)))))).).. (-23.80)