Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3mczA 3mczB 5d60A 5d60D 3mczA 100 97 3 9 3mczB 97 100 0 0 5d60A 0 10 100 13 5d60D 0 7 13 100 FOLD SIMILARITY (Z-SCORE) 3mczA 3mczB 5d60A 5d60D 3mczA 53.1 47.1 1.2 0.9 3mczB 47.1 51.3 0 0 5d60A 0 0.5 7.2 6.1 5d60D 0 0.6 6.1 7.5