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 TCGGTGGGACTTTCGTTCGATT TGGAATGAAAGCCTCGCCAATC CAAACTGCCTCTTCTCCTGGAATGAAAGCCTCGCCAATCTGTCATTGTTACTAAGCTAGGTCGGTGGGACTTTCGTTCGATTAGAAGATGGTAGATACTA 5 0 3' arm Strongylocentrotus_purpuratus mirbase 100 api-mir-278 0.00007 -39.2 ....(((((((((((..(.(((((((((.((((((.(((((...(((....)))..))))).)))))).))))))))).)..)))))).)))))...... (-39.20)