Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1nfjA 3e6mA 3e6mB 4flaA 4flaB 1nfjA 100 24 23 0 0 3e6mA 24 100 98 57 58 3e6mB 22 96 100 13 0 4flaA 26 40 43 100 98 4flaB 0 63 0 98 100 FOLD SIMILARITY (Z-SCORE) 1nfjA 3e6mA 3e6mB 4flaA 4flaB 1nfjA 19.8 0 0 0 0 3e6mA 0 24.7 14.9 1.2 1.9 3e6mB 0 20 25.5 1.8 0 4flaA 0 1 0.7 14 12.3 4flaB 0 1.9 0 12.3 13.5