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 TGGAAGACTAGTGATTTTGTTGT AACAAATCATTGTCTTCCTCA TGGAAGACTAGTGATTTTGTTGTTTGGTGTCAAAATTGACAACAAATCATTGTCTTCCTCACTGC 2 2 5' arm Tetraodon_nigroviridis mirbase mir-7 4e-30 dan-mir-7 0.000000003 -24.4 .(((((((.((((((((.((((.(..((......))..))))))))))))))))))))....... (-24.40)