Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 4ds7A 4ds7F 4lrzF 4ds7A 100 0 0 4ds7F 6 100 0 4lrzF 0 0 100 FOLD SIMILARITY (Z-SCORE) 4ds7A 4ds7F 4lrzF 4ds7A 21.1 0 0 4ds7F 0.9 6.1 1.5 4lrzF 0 0 40.2