Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 4bmgC 4mcwA 5lefC 5lefD 4bmgC 100 0 0 0 4mcwA 0 100 0 0 5lefC 3 0 100 6 5lefD 0 0 6 100 FOLD SIMILARITY (Z-SCORE) 4bmgC 4mcwA 5lefC 5lefD 4bmgC 26 0 0 0 4mcwA 0 50.8 0 0 5lefC 0 0 6.8 5.6 5lefD 0 0 5.6 6.7