Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1fr3A 3mgnA 3x1eA 5a98A 5omiA 1fr3A 100 0 0 12 0 3mgnA 0 100 0 0 9 3x1eA 0 0 100 58 0 5a98A 9 0 38 100 0 5omiA 0 9 40 28 100 FOLD SIMILARITY (Z-SCORE) 1fr3A 3mgnA 3x1eA 5a98A 5omiA 1fr3A 15 0 0 0 0 3mgnA 0 6.5 0 0 3.3 3x1eA 0 0 55.6 0 0 5a98A 0 0 0 38.3 0 5omiA 0 3.4 0 0 14.2