Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2yvvA 4nkjA 2yvvA 100 0 4nkjA 2 100 FOLD SIMILARITY (Z-SCORE) 2yvvA 4nkjA 2yvvA 22.4 0 4nkjA 0.3 16.7