Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 5efiA 5efiB 5wl1A 5wl1B 5efiA 100 27 85 27 5efiB 27 100 30 80 5wl1A 85 30 100 29 5wl1B 27 80 29 100 FOLD SIMILARITY (Z-SCORE) 5efiA 5efiB 5wl1A 5wl1B 5efiA 36.6 14.5 28.9 14.2 5efiB 14.5 22.4 14.3 20.3 5wl1A 28.9 14.3 39 13.9 5wl1B 14.2 20.3 13.9 22.2