Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2ecuA 3nfwA 3nfwB 3q63A 3q63B 2ecuA 100 66 65 29 46 3nfwA 66 100 99 42 63 3nfwB 65 99 100 29 69 3q63A 30 43 50 100 99 3q63B 47 59 55 99 100 FOLD SIMILARITY (Z-SCORE) 2ecuA 3nfwA 3nfwB 3q63A 3q63B 2ecuA 31 21.2 21.4 0 0 3nfwA 21.2 32.6 29.7 0 0 3nfwB 21.4 29.7 32.7 0 0 3q63A 0 0 0 28.7 26.5 3q63B 0 0 0 26.5 29.2