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 TAATACTGTCTGGTGATGATGTT CATCATACTGGACAGCATTGGA TGGTGACATCATACTGGACAGCATTGGACGTGATTGGATCGTTCTCTAATACTGTCTGGTGATGATGTTGACACTGGCTTT 4 1 3' arm Strongylocentrotus_purpuratus mirbase mir-8 4e-37 sko-mir-200 0.0000009 -28.2 .(((((((((((((..(((((.((((((..((((...))))...)))))).)))))..)).)))))))...))))...... (-28.20)