Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3m50A 5n6nA 3m50A 100 94 5n6nA 94 100 FOLD SIMILARITY (Z-SCORE) 3m50A 5n6nA 3m50A 38.5 32.1 5n6nA 32.1 38.9