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 TAATGATGGCGCGGTGCGGTGC TCTCATTCGCCATCATTCTT TCTCACCTCATAATGATGGCGCGGTGCGGTGCGATGTGATATCAAAAAATTCGCTCTCATTCGCCATCATTCTTAGGTGTAGT 2 2 5' arm Strongylocentrotus_purpuratus mirbase 100 100 -31.2 .(((((((.(.((((((((((.((((.((.((((..((....))......)))).)))))))))))))))).).))))).)). (-31.20)