Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3qfwA 4rk6A 3qfwA 100 46 4rk6A 58 100 FOLD SIMILARITY (Z-SCORE) 3qfwA 4rk6A 3qfwA 60.1 2.9 4rk6A 1.1 47.4