Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 4e6uA 4e79A 4e6uA 100 65 4e79A 91 100 FOLD SIMILARITY (Z-SCORE) 4e6uA 4e79A 4e6uA 45.8 21.8 4e79A 16.5 45.8