Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1mz9A 1mz9C 1mz9D 4cofA 4cofB 1mz9A 100 98 98 0 0 1mz9C 98 100 96 0 0 1mz9D 98 96 100 0 0 4cofA 0 0 0 100 97 4cofB 0 0 0 97 100 FOLD SIMILARITY (Z-SCORE) 1mz9A 1mz9C 1mz9D 4cofA 4cofB 1mz9A 6.4 6 5.8 0.6 0.8 1mz9C 6 6.4 5.7 0.8 0.4 1mz9D 5.8 5.7 6.4 0.7 0.7 4cofA 0 0 0 43.2 41.1 4cofB 0 0 0 41.1 42.6