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 TGAGGTAGTAGATTGAATAGTT CTATACAATCTACTGTCTTTCC GGCTGAGGTAGTAGATTGAATAGTTGTGGAGTCCTATCCTCCCTTTGAGCTAACTATACAATCTACTGTCTTTCCTAAGGAGA 4 0 5' arm Gallus_gallus mirbase let-7 8e-20 tgu-let-7e 2e-32 -27.5 ((..(((..(((((((((.((((((((((((.......))))......)).)))))).)))))))))..))).))........ (-27.50)