Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1mjhA 1mjhB 1xwjA 1xwjB 1mjhA 100 99 0 0 1mjhB 99 100 0 0 1xwjA 0 0 100 0 1xwjB 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 1mjhA 1mjhB 1xwjA 1xwjB 1mjhA 30.2 28.3 0 0 1mjhB 28.3 30.1 0 0 1xwjA 0 0 34.2 0 1xwjB 0 0 0 0