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 AATCATCAATTTGGTCTGTTATA TCACAGCCAAAACTGATGATCTT TTTCTTTTTCAAATACAAAAATCATCAATTTGGTCTGTTATAAATGGCTTTTATCACAGCCAAAACTGATGATCTTATAAATTTGTCAAACAT 3 2 5' arm Schmidtea_mediterranea mirbase 100 sme-mir-2c 7e-48 -19.82 ....(((..(((((......(((((((.(((((.((((.(((((.....))))).)))))))))..))))))).......)))))..)))... (-19.82)