Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1d0cA 3ug7A 3zq6A 3zs9A 4fvyA 1d0cA 100 32 37 44 88 3ug7A 47 100 87 86 46 3zq6A 31 87 100 86 65 3zs9A 46 86 86 100 21 4fvyA 88 33 58 22 100 FOLD SIMILARITY (Z-SCORE) 1d0cA 3ug7A 3zq6A 3zs9A 4fvyA 1d0cA 66.2 0 0 0 58.2 3ug7A 0 47.1 30.9 28.5 0 3zq6A 0 30.9 48.7 33.7 0.4 3zs9A 0 28.5 33.7 51.8 0 4fvyA 58.2 0 0 0 66.3