Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1y0gA 3ix3A 3tg2A 6f9mA 1y0gA 100 45 22 54 3ix3A 67 100 58 48 3tg2A 53 65 100 78 6f9mA 49 42 71 100 FOLD SIMILARITY (Z-SCORE) 1y0gA 3ix3A 3tg2A 6f9mA 1y0gA 32.9 0 0 0 3ix3A 0 34.5 0 0 3tg2A 0 0 42.5 2.1 6f9mA 0 0 1.1 61