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 GTAGAGGAGATGGCGCAGGG CTTCTCCCTCCTCCCAG GTAGAGGAGATGGCGCAGGGGACACGGGCAAAGACTTGGGGGTTCCTGGGACCCTCAGACGTGTGTCCTCTTCTCCCTCCTCCCAG 5 2 5' arm Homo_sapiens mirbase mir-877 4e-40 ppy-mir-877 6e-39 -39.5 ...((((((..((.(.((((((((((.(.......(((((((((.....))))))))).).)))))))))).).)))))))).... (-39.50)