Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3djlA 3mw6A 3mw6B 4acfA 5g4iA 3djlA 100 44 18 80 49 3mw6A 46 100 82 13 30 3mw6B 32 82 100 4 22 4acfA 98 13 4 100 100 5g4iA 92 46 18 100 100 FOLD SIMILARITY (Z-SCORE) 3djlA 3mw6A 3mw6B 4acfA 5g4iA 3djlA 66.2 0.3 0 0 0 3mw6A 0 22.9 18.5 0 0 3mw6B 0 18.5 21.4 0 0 4acfA 0 0 0 65.5 0 5g4iA 0 0 0 0 68.5