Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2d5mA 5z2eA 2d5mA 100 52 5z2eA 74 100 FOLD SIMILARITY (Z-SCORE) 2d5mA 5z2eA 2d5mA 35.1 0 5z2eA 0 42.6