Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3ennA 4rziB 5mlnA 3ennA 100 77 81 4rziB 77 100 79 5mlnA 81 79 100 FOLD SIMILARITY (Z-SCORE) 3ennA 4rziB 5mlnA 3ennA 47.2 34.8 31.5 4rziB 34.8 46.6 29.4 5mlnA 31.5 29.3 46.1