Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2y0mA 2y0mB 4dncA 4dncD 2y0mA 100 0 100 0 2y0mB 0 100 0 9 4dncA 100 0 100 0 4dncD 3 6 3 100 FOLD SIMILARITY (Z-SCORE) 2y0mA 2y0mB 4dncA 4dncD 2y0mA 45.8 0 39.9 0 2y0mB 0 6 0 1.6 4dncA 39.9 0 46.4 0 4dncD 0 1.3 0 4.9