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 TGAAAGACACGGGTAGTGAGAT CTATATTCGTGTCTTTCATA TTGGATATAACTGAAAGACACGGGTAGTGAGATATGGATTTTTCATCTCTATATTCGTGTCTTTCATATTTATTCACG 2 2 5' arm Schmidtea_mediterranea mirbase mir-71 2e-23 sme-mir-71a-1 0.000004 -29.6 .((((((....(((((((((((((((...(((.(((((...))))).))).)))))))))))))))....)))))).. (-29.60)