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 GTGTGCGTGTGACAGCGGCTGT AGCTCCTGTCGCTCGCATATTG GCCGTGTCCGGCAGCTCCTGTCGCTCGCATATTGTCCGCCTGTCTCAGTGTGCGTGTGACAGCGGCTGTCGGCTGCGCGCC 2 0 3' arm Petromyzon_marinus mirbase 100 bfl-mir-210 0.0002 -47.8 ((((((.(((((((((.(((((((.(((((((((...........))))))))).))))))).))))))))).)))).)). (-47.80)