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 GCTCTGAGCTGCCCCTCCTCGTCC AGAGGAGCCGCGACAGAGCCG CTGTGCTCCGGCTCTGAGCTGCCCCTCCTCGTCCGTCCCCTCCAGCTGGAGAGGAGCCGCGACAGAGCCGGAGCAGTGGC 3 3 5' arm Sus_scrofa mirbase 100 100 -43.7 ...(((((((((((((...(((..((((((.(((((........)).)))))))))..))).)))))))))))))..... (-43.70)