Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1ka8A 2gh1A 2yzkA 4es1A 4n81A 1ka8A 100 17 33 0 9 2gh1A 0 100 68 14 71 2yzkA 26 70 100 23 57 4es1A 0 12 26 100 43 4n81A 10 70 64 0 100 FOLD SIMILARITY (Z-SCORE) 1ka8A 2gh1A 2yzkA 4es1A 4n81A 1ka8A 24.1 0 0 0 0.5 2gh1A 0 46 0.1 0 1.1 2yzkA 0 0.1 35.8 0 0.6 4es1A 0 0 0 20.3 0 4n81A 0.5 1.1 0.6 0 48