Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2pd2A 2xgwA 3qc7A 4e6uA 4uw7A 2pd2A 100 0 39 0 26 2xgwA 0 100 6 45 0 3qc7A 47 47 100 0 0 4e6uA 0 64 0 100 68 4uw7A 22 0 0 65 100 FOLD SIMILARITY (Z-SCORE) 2pd2A 2xgwA 3qc7A 4e6uA 4uw7A 2pd2A 26.4 0 0 0 0 2xgwA 0 34 0 0 0 3qc7A 0 0 14.9 0 0 4e6uA 0 1.2 0 45.8 0 4uw7A 0 0 0 0 30.7