Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1el6A 3hfeA 3hfeB 4zlaA 4zlaB 1el6A 100 0 0 59 0 3hfeA 0 0 0 0 0 3hfeB 0 0 0 0 0 4zlaA 0 0 0 0 0 4zlaB 0 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 1el6A 3hfeA 3hfeB 4zlaA 4zlaB 1el6A 26 0 0 0.5 0 3hfeA 0 0 0 0 0 3hfeB 0 0 0 0 0 4zlaA 0 0 0 0 0 4zlaB 0 0 0 0 0